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Engineering 1921 Jul-Dec: Index: General Index

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Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.
Engineering 1921 Jul-Dec: General Index.

Note: This is a sub-section of Engineering 1921 Jul-Dec: Index


  • Al Manufacturing Co., Seam Welding Machines, 470*
  • Abell, Sir W. S., System of Double Bottom Construction, 72* ; on Maritime Risks, 668 Abrasion Tests of Materials, 12
  • Absorption and Radiation by Atoms, 468

Accidents :

  • Airship R. 38 (Z.R. 2), Loss of, 320, 545. See 347, 651
  • Chemical Works, Accidents in, 190
  • Colliery Accidents, Effect of Legislation, 418
  • Explosion, Boiler. See Boiler Explosion and PARAGRAPH INDEX
  • Brewing Copper, 343
  • Fertiliser Filter, 742
  • German Nitrogen Fixation Plant, 443
  • Laundry Calender, 583
  • Steam Chest on Trawler, 711
  • Pipes, Water Hammer Action, 102, 839
  • Stop Valve of Steam Hammer, 537. See Erratum, 570
  • Vulcanising Pan, 236
  • Yarn Drying Cylinder, 217
  • Explosives, Accidents in Manufacture and Use, 109
  • Industrial Accidents, Carbon Monoxide
  • Poisoning, 259. See 319
  • Report on, 224
  • Railway Accidents, Possible Prevention, 891
  • Shipping Accidents, Analysis of, 668 Slipway, Ship Repairing, Liability for Accidents, 608
  • Turbine, Steam, Bursting of Rotor Wheel, 829
  • Accounts, Engineering, Four-Week Period, 894
  • Accumulators, Electric, See Electric Accumulator Vehicles. See Motor Lorries Acetic Acid, Synthetic Manufacture, 681
  • Acetylene Welding. See Welding
  • Acid, Acetic, Synthetic Manufacture, 681
  • Ceratherm Pump for, 852*
  • Effect on Brittleness of Steel, 226 '
  • Electric Resistance Heaters for, 852*
  • Fatty, Effect on Lubricating Oils, 10
  • Mine Liquors, Air Lift Pump for, 460*. See 430, 693
  • Nitric, Production by Gaseous Explosions, 230
  • Resisting Iron, Thermisilid, 478
  • Sulphuric, Manufacture, Report on, 190
  • Tartaric, Optical Rotatory Properties, 33 Ackermann Gauge, Penetration of Piles, 686.
  • See LETTERS, 756, 851. See also 123, 131* Activated Sludge Process, Sewage Purification, 86, 115
  • Adamson, D., on Foundry Costs, 894*
  • Adcock, F., on Electrolytic Etching of Metals, 484
  • Address, Presidential. See Presidential Address Admiralty Gun-Metal, Effect of Lead, 580*. See 448
  • See also Warships
  • Adsorption of Gases by Charcoal, &c., 469
  • Advisory Committee for Aeronautics, U.S.,
  • Report, 162
  • Aerial Navigation. See Aeronautics
  • Propellers. See Propellers under Aeronautics
  • Ropeway. See Wire Ropew:ty
  • Transport. See Aeronautics
  • See also Telegraphy, Wireless
  • Aerodynamics. See Aeronautics
  • Aeronautical Society, Royal, G. Brewer on Trials of Langley's Aeroplane, 609, 828

Aeronautics :

  • Aerodynamic Experimental Station, G6t-tingen, 218*
  • Aerodynamics, Pressure on Airship Con-trol Surfaces, 651
  • Work of N. P. L., 98*
  • Aeroplane Construction, Scottish Timber for, 405
  • Design, Features of Paris Aeronautical Exhibition, 795, 862
  • Dopes, N. P. L. Investigations, 192
  • Langley's, Hammondsport Trials of, 609, 828
  • Mechanical Principles of (Review), 228
  • Model Experiments, N. P. L., 98*
  • at Paris Exhibition, 795, 862
  • Performance Calculations (Review), 609
  • Petrol Tanks for, Air Ministry Competition, 323, 769
  • Aeroplane Photographs, Mapping from, 557*
  • Stability, Model Experiments at N.P.L., 98
  • Study of Steady Motion, 152
  • Wings, Internal Bracing, 301*
  • See also Seaplane (below)
  • Aircraft Manufacture, Aluminium Alloys for, Report, 594, 613, 624, 644
  • Materials, Report on (Review), 485
  • in Naval Warfare, 318
  • Airship It 38 (Z.R. 2), Loss of, 320, 545.
  • See 347, 651*
  • Commercial Prospects, 58
  • Control Surfaces, Pressures on, 651*
  • Experiments, N.P.L., 98
  • Fabrics, Permeability of, 57*, 192
  • Government, Scheme for Utilisation,152
  • Services, Proposed Imperial, 320 Balance, Overhead, Wind Tunnel at N.P.L., 98*
  • Balloons, Pilot, Behaviour at Great Heights, 693
  • Civil Aviation. See also Airships (above Engine, Petrol, Aeroplane, 1,000 h.p., Dr. Rumpler's, 252
  • Aeroplane, Altitude Compensation, 72. See Erratum, 109
  • Aeroplane, Aluminium Alloy Pis-tons, 613. See 595, 625
  • Aeroplane, Balancing, Exponential Analysis, 778*
  • Aeroplane, Bristol Jupiter, Trials, 691. See 862
  • Aeroplane, Bristol Starter, 800
  • Aeroplane, Materials for Construc-tion (Review), 485
  • Aeroplane, at Paris Aero Exhibi¬tion, 796. See 862
  • Navigation, Aerial. See also Telegraphy, Wireless
  • Paris Aeronautical Exhibition, 795, 862 Petrol Tanks, Air Ministry Competition, 323, 769
  • Propellers, Aeroplane, Work of N.P.L., 98
  • Rudders, Airship, Pressures on, 651* Seaplanes, Data of Hulls, 407
  • Design of, 406
  • Pressures on Hulls, 99
  • United States Advisory Committee for
  • Aeronautics, Report, 152
  • Wind Tunnel Balance, Overhead, at
  • N.P.L., 98*
  • Duplex, at N.P.L. 98*
  • Gottingen Aerodynamic Experi¬mental Station, 218*
  • Wings, Aeroplane, Internal Bracing, 301* Wireless Apparatus for Aircraft. See Telegraphy, Wireless
  • See also PARAGRAPH INDEX.
  • Aeroplane. See Aeronautics
  • Aersedcon System, Sewage Purification, 186 Agents, Foreign, British Engineering Firms, 317
  • Agreements, Labour. See Labour

Agricultural Exhibition, Smithfield Show, 795

  • Hall. See Exhibition
  • Motors. See Engines ; Motors ' • Tractors
  • Society, Royal, Derby Show, 7*, 36*
  • Tractors. See Tractors
  • Agriculture, Simar Cultivating Machine, 36
  • See also Irrigation and PARAGRAPH INDEX Air Bubbles Velocity in Water, 459*. See 693
  • Compressed. See Compressed Air, Pneu-matic
  • Compressors, Air Filters for, 535*
  • Belliss and Morcom, New Modder-fontein Mine, 535*. See LETTERS, 661
  • Diesel Engine, Bursting of Cooler Coils, 59, 253
  • and 011 Engine, Parsons Motor Co., Ltd., 374*
  • Rotary, Reavell's Turbo Blower, 435*
  • Tests, Nozzle for Measuring Delivery, 536*. See LETTERS, 661. See also 461*
  • Three-Stage, for Diesel Engine, 722* — — Three-Stage Vertical, Reavell's, 435* — — Two-Stage, Double Acting, for Kiruna-vaara Mines, 675*
  • Two-Stage Horizontal, Reavell's, 435*
  • Unloading Device for, 675*
  • Conditioning Plant, London Sessions House, 518*
  • Currents, Heat Emission from Thin Plates in, 10
  • Ejector, Jet, Condensing Plant, Turbo-Generator, 876*
  • Exhausters, Turbine and Reciprocating, Grain Elevators, 859*, 865
  • Filters, Air Compressor Plant, 5359'
  • Air Flow through Nozzles, 750
  • Heaters for Boiler Furnaces, 57*, 92. See 65
  • Humidification, Textile Factories, 202*
  • Lift Pump, Acid Mine Liquors, 460*. See 430, 693
  • Pumps, Experiments on, 430, 458*. See LETTER, 693
  • Liquid, Mine Rescue Apparatus, 508*. See 431
  • Ministry Competition, Petrol Tanks for Aircraft, 323, 769
  • Moisture in, Measurement, 890
  • Pump. See Pump
  • Supply, Boiler Rooms, Warships (Review), 10 1
  • Suspended Impurities in, 554*, 555*. See 12, 531, 737 See also Atmosphere
  • Aircraft. See Aeronautics
  • Airserews. See Propellers under Aeronautics
  • Airships. See Aeronautics
  • Aitchison, Dr. L., on Chromium Steels and Iron, 771*,805*
  • Albert Dock, ondon, Extension of, 2*, 109 Alcohol, Sources of, 27
  • Algeria, Mineral Resources, 823
  • Alignment Chart, Gases, Intermil-Combustion Engines, 302*
  • Alkali Works in 1920, Report, 190
  • Alkins, W. E., on Cold-Drawing Bronze, 449 Allen, E. & Co., Ltd., Works and Products, 272*, 304*, 335*
  • Allgemeine Electricitiits Gesellschaft, F. Deutsch on Capital and Labour, 676
  • Alliance Machine Co., Manipulators for Forg lugs, 151*
  • Allis Chalmers Manufacturing Co., Centrifugal Drainage Pumps, 643*
  • Alloys. See Metallurgy, Microphotographs and PARAGRAPH INDEX
  • Alsop Process, Bleaching Flour, 36
  • Alternating Current. See Electric Stress. See Tests (Materials)
  • Alternators. See Generators, Electric
  • Altitude Compensation, Internal-Combustion
  • Engines, 72. See Erratum, 109
  • Alumina, Refractory Properties, 537
  • Aluminium Alloys. See Alloys under Metallurgy
  • Vessels for Breweries, 638
  • See also Metallurgy ; Metal-Price Diagrams Alwen Dam and Reservoir, Birkenhead Water Supply, 286*
  • American Bureau of Shipping. See United States Chemical Society. See Chemical Engineering Societies, Federation of, 63 Engineers' Message to British Engineers, 19
  • Institute of Electrical Engineers. See Electrical Engineers
  • Locomotive Co., Recent Designs, 743
  • Motor Cars, Prices, 225. See LETTER, 450
  • Navy. See United States under Warships
  • Passenger Steamers, Design and Construction, 836, 847
  • Society of Civil Engineers. See Civil Engineers of Mechanical Engineers. See Mechanical Engineers of Naval Architects and Marine Engineers. See Naval Architects. See also United States
  • Ammonia Compressor, West's High-Speed, 607
  • Production from Coal and Coke, 562 — Manufacture, Report on, 191
  • Recovery Plant, Leamington Gas Works, 135*
  • and Season Cracking of Brass, 298*, 327*
  • Synthetic Manufacture, Claude Process, 732
  • Production, Statistics, 346
  • Ammonium Sulphate, Plant for Manufacture, 562 Production, Statistics, 345
  • Analysis, Chemical, Technical Methods (Re
  • view), 322
  • — by Volatilisation in Electric Arc, 226

— * — and Positive Rays (Review), 846 — * Harmonic, and Periodicity Measurements,

  • Vibrations, 469*
  • Anderson, J., on Tonnage • Measurements, 704
  • Anderson, J. H., on British and American
  • Mining Methods, 608
  • Anemometer, Hot-Wire Type, 192
  • Angram Reservoir, Hydro-Electric Power Plant, 817*
  • Annealing of Glassware, Twyman Method, 854
    • See also Heat Treatment under Metallurgy
  • Annual, Brassey's Naval and Shipping (Re¬view), 798
    • Publications. See also LITERATURE INDEX Ansaldo-San Giorgio, Diesel Engine, 721 Anthony Boiler Feed Pump, 658* Anti-Friction Metals. See Alloys under
  • Metallurgy
  • Antimony Prices. See Metal-Price Diagrams Apollo Turret Lathe, 758*
  • Applied Chemistry, Reports on Progress (Re-view), 227
  • Appointments. See PARAGRAPH INDEX Apprentices and Premium Pupils in Engineer¬ing Works, 667
    • Training at Horwich Works, 836 Apprenticeship. See also Education
  • Aquadag, Sight-Feed Lubricator for, 57* Aquatole Water Lifter, 37, 417
  • Aqueduct, Winnipeg Water Supply, Construc-tion, 589*, 621*
  • Arbitration in Labour Disputes. See Labour ; Industrial Notes and PARAGRAPH INDEX Arbitrators' Duties, Commercial Disputes, 352
  • Arc. See Electric; Furnace; and Welding Arch Bridges, Timber, Durability, 635, 646
    • Concrete, for Aqueduct Design, 621.* See 589*
    • See also Bridge
  • Archbutt, S. L., Report on Aluminium Alloys,
  • 594, 613, 624, 644
  • Architects, Naval. See Naval Architects
  • Arithmetical Calculations, Napier's Bones, 601. See LETTER, 661
  • Armament. See Guns; Warships
  • Armour Plate Cutting, Oxy-Acetylene Blow pipe, 274*
    • German, British Trials, 419, 610*. See Erratum, 633
    • See also Warships and Naval in PARAGRAPH INDEX
  • Armstrong, Prof. F. E., the Late, 641
  • Armstrong, Whitworth & Co., Ltd., Tank Steamer, "San Felix," 441* ; Crankshaft for Doxford Marine Oil Engine, 723*
  • Arrol, Sir W., & Co., Ltd., Steelwork, Royal Albert Dock Extension, 6*
  • Arrowsmith, G., on Critical Speed Calculations, 717*
  • Arsenic Works, Treatment of Dust and Fumes, 190
  • Artillery. See Guns and PARAGRAPH INDEX Arts, Royal Society of, Sir K. Goodby on Industrial Diseases, 159 ; A. A. Campbell
  • Swinton on Wireless Telegraphy, 636 Asbestos Building Materials, 711
  • Ash-Handling Plant, Holton Heath Cordite Factory, 706*
  • — — Plant, Wet Conveyor, Poplar Power Station, 231*
    • Pits, Locomotive, New Jersey Central Railroad, 125*
  • Ashes, Boiler Furnace, Recovery of Unburnt Fuel, 797
  • Association, British. See British Association — British Engineers', Conference, 576
    • Engineering. See also Institutions Astronomical Watch, S. Smith & Son, Ltd., 785 Astronomy, Microchronograph, Edinburgh Observatory, 500*
    • Radial Velocities of Stars, 501
    • 72-in. Reflecting Telescope, Canadian
  • Government, 207*, 240*, 209*. See LETTER, 249. See also 501
    • Star Streaming, Dynamical Theory, 501
    • for Travellers (Review), 815
  • Atkinson Cycle, Internal-Combustion Engines, 69*
  • Atlantic Liners. See Steamers
  • Atlas Diesel Ci.. Ltd., Air Compressor, 675*
  • Atmosphere, Ionized, Behaviour of Pith Balls in, 434
    • Pollution by Chemical Works, 190
    • Suspended Impurities in, 554*, 555*. See 12, 531, 737
    • Upper, Discontinuity of Temperature. 500 — — Pilot Balloons at Great Heights, 693 Atmospheric Moisture, Measurement, 890
    • Nitrogen, Fixation, Musser Process, 230 — — Fixation, Statistics, 345
    • Pressure, Diurnal Variations, 442 Atomic Weights and Isotopes, 382 Atoms, Radiation and Absorption by, 468
    • Structure of, B.A. Discussion, 529
  • Austin, Dr. P. C., on Optical Rotatory Dis¬persion, 33
  • Australia, Sydney Harbour Bridge, 880* Austria, Commercial Situation in, 256 Autogenous Welding. See Welds and Welding Automatic Machine Tools. See Machine Tools
    • Stokers. See Stokers
    • Telephone Systems (Review), 879
  • Automobile Engineers, Institution of Presidential Address, by G. W. Watson, on Standardisation, 573 ; T. Clarkson, on Coke Fuel for Motor Vehicles, 579 ; Annual Dinner, 608 ; Dr. L. Aitchison, on Chromium Steels and Iron, 771*, 805* ; H. F. L. Orcutt, on Motor Car Gear-Boxes, 830*, 870* 897*
    • See dotor Cars
  • Auxiliary Machinery, Marine. See Marine Avery, W. and T., Ltd., Exhibit at Olympia, 438*
  • Aviation. See Aeronautics
  • Axles, Motor Car. See Motor-Car Details — Tramway, Standard Specification, 475

B.

  • BACTERIA, Iron, and Pipe Incrustation, 457*. See 430
  • " Baden," Ex-German Battleship, Armour
  • Plate Trials, 419, 610*. See Erratum, 633 Badische Anilin and Soda Fabrik, Destruction of Oppau Works, 443
  • Baily, Prof. F. G., on Small Water Powers, 410. See 406
  • Bainbridge, F., on Blast Furnace Gases, 66 Bakerian Lecture on Optical Rotatory Dis-persion, 33
  • Balance, Wind Tunnel. See Aeronautics Balancing Machine for Connecting Rods, 439* — Reciprocating Masses, Exponential Analysis, 778*
    • Turbine Reduction Gears, 372
  • Baling Press, Hay or Straw, Ruston and
  • Hornsby, Ltd., 38*
  • Ball, H. S., on the Francois Cementation
  • Process, 24, 45, 77
  • Ball Bearings. See Bearings
    • Hardness Tests. See Hardness under Tests (Materials)
    • Pith, Behaviour in Ionized Atmosphere, 434
    • Steel, Grading Machine for, 60*
    • Tube Mill, E. Allen and Co., 337*
  • Balloons. See Aeronautics
  • Ballots, Trade Union, Legality of, 826
  • Baltic Sea, Investigations of Currents and
  • Salinity, 499
  • Bamford, T. G., on Copper-Zinc Alloys, 585*.
  • See 449
  • Band Conveyors. See Conveyors
  • Bankruptcy, National, Meaning of, 107
    • Statistics, Engineering Trade, 797
  • Bar-Heating Furnace, Colloidal Fuel Tests, 124* Barclay, Dr. F. S., on Centrifugal Pumps, 642*. See 430
  • Barford & Perkins, Ltd., Motor Road Roller, 884*
  • Barometric Pressure, Diurnal Variations, 442 Barr, Dr., on the Work of Rankine, 861 Barrages, Effect. on Discharge of Tidal Rivers, 121, 130
    • Vaal River, Rand Water Supply, 325*
    • Thames, Suggested, 22, 31, 39
  • Barrels, Steel, Collapsible, with " Victaulic "
  • Joint, 375*
  • Barugh Works, Coalite Manufacture, 596*.
  • See 68, 110
  • Bascule Bridges. See Bridges
  • Batteries. See Electric
  • Battery Vehicles. See Motor Wagons
  • Battleships. See Warships
  • Beams, Irregularly Loaded, Harmonic Analy sis, 656*, 686*
    • Standard, Properties of, 712
  • Beardmore Measuring Pumps for Paint and
  • Oil, 632*
    • Quick-Acting Valve, 759*
  • Beare, Prof. T. H. on Width of Test Pieces,
  • 389*, 406 ; on Uses for Scottish Timbers,
  • 405
  • Bearing Metals. See Alloys under Metallurgy
    • Power of Soils, 123, 132
  • Bearings, Ball, Chromium Steel for Races, 806
    • Grading Machine for Balls, 60*
    • and Roller, Friction Tests of, 11
    • and Roller, Standardisation, 187
    • and Roller, Vertical Shafts for Centrifugal Pumps, 742*
    • for Telescope Mounting, 208*. See
  • LETTER 249
    • Nordberg Winding Engine, 566*
    • Thrust, Michell, Turbo-Generator, 874* Beckinsale, S., on Season Cracking of Brass,
  • 262*, 297*, 327* ; on Magnesium Alloy
  • Electron, 641
  • Beet Sugar Factory, Kelham, Opening, 639 Beilby, Sir G. T., on Fuel Problems, 26 ; Work
  • on Aggregation and Flow of Solids
  • (Review), 878
  • Belaiew, Col. N. T., on Damascene Steel, 395* Bell, A. L., on the Bearing Power of Soils, 123, 132
  • Bell Clappers, Bronze and Iron, Fractures, 149
  • Belliss & Morcom, Ltd., Pneumatic Hose Coupling, 215* ; Air Compressor, New Modderfontein Mine, 535*. See LErrERs, 661
  • Belluzzo Turbine Locomotive, 728*. See 477 Belt Conveyors. See Conveyors

— * Superposed, Power Transmission by, 262 Bench Vice. See Vice under Machine Tools Bending Tests. See Tests (Materials) Bennett, J. J., on Wireless Direction Finding,

  • 333*
  • Bennis, A. W., on Automatic Stokers, 91 Benzole Fuel for Motor Vehicles, 737
  • Berry, F., & Sons, Ltd., Motor-Driven Lathe, 364*
  • Berthing Gear, Ship, for Floating Docks, 775*. See 720
  • Bessemer Medal, Presentation to Mr. C. Fremont, 383
  • Bevel Gears. See Gears
  • Bicycles, Motor. See Motor Cycles Billet-Piercing Machine, Rotary, Tube Manufacture, 397*, 429*, 495*, 527*. See
  • LETTERS, 612, 660
  • Bills of Lading, Hague Rules, 413
  • Binary Alloys. See Alloys under Metallurgy -- Vapour Power Plant, Steam-Mercury, 04*
  • Biochemistry, Problems of, 629
  • Biotron Negative Resistance Device, Wireless
  • Telegraphy, 685*. See 409
  • Biplanes. See Aeronautics
  • Birkenhead, New War Supply, 286*
  • Birmingham District, Electric Power Supply,
  • 191, 226
    • Meeting, Institute of Metals. See Aletals, Institute of
    • Sewage, Power Gas from Sludge, 456*. See 431
  • Bituminous Materials, Road Construction. See Roads
  • Blackburn Power Station, Opening, 608 Blacksmiths' Work, Modern Requirements, 766 Blades, Turbine, Failures in U.S. Destroyers,
  • 615*, 647*. See 636
    • Hyde \Voiding Process, 339*

Materials for, 636. Sde 592*

    • of Stainless Steel, 592*
  • Binding, 12,500 kw. Turbo-Generator, 874* Blast Furnaces. See Furnaces
  • Blasting Subaqueous Rock, Pier Foundations, Harriman Bridge, 264*
  • Bleaching Flour, Alsop Electrical Process, 36 Blind Persons, Employment in Workshops, 715*
  • Blocks, Concrete, for Building Construction. See Concrete
  • Blower, Turbo, Reavell's, Scavenging Two-Cycle Engines, 435*
  • Blowpipe, Oxy-acetylene. soe Welding ; Cutting
  • Board of Trade Report, Bank r i)tey Statistics, 797
    • Report, Boiler Explosions, 148, 324, 775, 883
    • Report, British Water Power Re¬sources, 828
    • Report, Explosion of Brewing Copper, 343
    • Report, Explosion of Fertiliser Filter, 742 — Report, Explosion of Laundry Calender, 583
    • Report, Explosion of Steam Chest on Trawler, 711
    • Report, Explosion of Stop Valve, 537. See Erratum, 570
    • Report, Explosion of Vulcanising Pan, 236
    • Report, Explosion of Yarn Drying Cylinder, 217
    • Report, Steam Pipe Explosions, 102, 839
    • Trade Rules, Oil Fuel on Ships, 372 Boat, Flying. See Seaplane under Aero¬nautics
    • Submarine. See Warships
  • Boby, R., Ltd., Grain-Handling Plant, Bor
  • deaux, 312*, 370*
  • Bogies, Travelling Towers, Grain-Handling'
  • Plant, 370*
  • Boiler, Coke-Fired, Clarkson Lorry, 277*
    • Explosion, Locomotive at Buxton. 759. See LETTER, 786
    • London Hospital, Report, 148
    • Low Pressure Heating, 775
    • Steam Crane : No Safety Valve, 883
    • Thompson Water Tube, 324
    • Feed Pump. See Pump
  • Water Regulator, Automatic, 785* Firing, with Coke Breeze and Bituminous Coal, 186
    • Furnaces. See Furnace and Stoker
    • House Accessories, Exhibition, 56*
    • and Control System, Portobello Power Station, 422*
    • Holton Heath Cordite Factory, Coal Handling Plant, 706*
    • Locomotive, Copper Tube Plates, Repairing Cracks, 251*
  • Design for Fuel Economy, 743
  • See also Locomotives
    • Making, Oxy-Acetylene Cutting Machine for, 356*
    • Marine, Cylindrical, SS. " P.L.M. 20," 340* Cylindrical, SS. " Paris," 246*
    • Oil Firing, Report on, 321

at Olympia Exhibition, 436 — * Plants, Advantages of Automatic Stokers, 91

  • - - Feed Heating and Economisers in, 94
    • Possible Coal Economies, 29
    • Recovery of Unburnt Fuel, 797 - - Steam Consumption of Steam Jets, 92
    • Rooms, SS. " Giulio Cesare," 664*
    • - Warships, Air Supply (Review), 110
    • Waste Heat, in Gasworks, 24, 45, 77
    • Water Density in, Indicator for, 57
    • See also Engines and Boilers in PARAGRAPH INDEX
  • Bolts, Relief, Electrical Mining Apparatus, 376 Bone, Dr. W. A., on Low-Temperature Carbonisation, 68. See Erratum, 110

Books, New, Notes on, 164, 183, 216, 250, 307, 367, 474, 501, 550, 612, 725, 751, 783. See LITERATURE INDEX - Received, 110, 162, 194, 229, 261, 322, 354, 386, 460, 485, 515, 846, 879 548, 610, 768, 799, 816, Bordeaux-BaEsens, Grain-Handling Plant, 312*, 370*

  • Boring Machine. See Machine Tools
  • Bottle Washing and Filling Machines, Brewers'
  • Exhibition, 638
  • Bracing, Internal, Aeroplane Wings, 301*
  • Brackenbury, H. I., on Waste, 514
  • Bradford Water Supply, Hydro-Electric Power
  • Plant, 817*
  • Brain, Sir F. W. T., the late, 386
  • Brake Gear, Nordberg Winding Engine, 628*
    • Railway, Damage to Tyres and Rails, 54, 82*
  • Brashear Co., J. A., Optical Work, Canadian Government Telescope, 207*, 240*, 269*. See LETTER, 249. See also 601
  • Brass, Compressibility at High Temperatures, 770*
  • Corrosion of. Sec Corrosion
  • Extrusion of, 609. See 483, 487*
  • Foundry, See Foundry
  • Brass Industry, British, Modern Developments, 609

—* Ingots, Casting of, 452*. See 449 Rods, Extrusion Defect in, 487*. See 483 —* Season Cracking of, 262*, 297*, 327*

  • Brassoy's Naval and Shipping Annual (Re¬view), 798
  • Bray, Markham & Reiss, Ltd., Motor Starters, 99*
  • Brayshaw, S. N., on Hardening Tool Steel, 517. See LETTER, 567
  • Brazil, Paulista Railway, Electric Locomotives for, 854*
  • Breakwaters, Construction of, Ferro-Concrete Caissons, 23, 40, 73. See Erratum, 152
    • Ferro-Concrete, Deterioration and Protec¬tion, 23, 40, 73
  • Breathing Apparatus, Industrial Respirators, 072
    • Oxygen and 'Liquid Air, Mine Rescue
  • Work, 568*. see 431
  • Brewer, (4., on Trials of Langley's Aeroplane,
  • 609, 828
  • Brewers' Exhibition, Agricultural Hall, 638
  • Brewing Copper Explosion, Report, 343
  • Brick Buildings, Moving and Raising, 842*
    • Fire. See Firebricts and Refractory

Materials

  • Bridge Builders, Shipbuilding by, 84, 112
  • Cantilever, Forth & Quebec, Comparisons, 531
  • Proposed, Sydney Harbour, 880*
    • Construction, Cost in U.S., 202, 235, 267, 268
    • Schemes in Parliament, 767
  • Design, Loading and Stress Allowances,
  • 880*
  • Modern Methods in, 349
    • Ferro-Concrete, on Railways, 49, 79
    • Indian Railway, Reports, 349
  • Plate Girder, Ebury Street, London, Recon
  • struction, 163*
  • Railway, Maintenance of, 835, 646. See 88
  • — Impact Tests and Allowances, 50, 80, 118,
  • 189, 350, 881
  • Repairs to Floor System, 88
    • Swing and Bascule, Royal Albert Dock, 6* Timber Arch, Durability, 635, 646
    • Vertical Lift, Rostoff, Russia, 268*
  • Lift, in United States, 199*, 234*, 264*
  • Vibrations, Investigations, 431
  • Yellow River, Tenders for, 517, 540, 567
  • See also PARAGRAPH INDEX
  • Briey Iron Mines, War Damage and Recon
  • struction, 383
  • Briggs, Prof. H., on Mine Rescue Apparatus,
  • 568*. See 431
  • Brinell Tests. See Hardness under Tests
  • (Materials)
  • Briquetthig Lignite in Canada, 615
  • Press, Duplex, for Coal, 689*
  • Bristol Aero Engine Starter, 800
    • " Jupiter " Aero Engine, Trials, 691. See 862
    • University, Appeal for Funds, 226
  • British Association (Edinburgh Meeting) :
  • Preliminary Announcement and Pro¬gramme, 288. See 253
  • Opening Remarks, 381
  • Presidential Address, by Sir E. Thorpe,
  • on Problems of Post-War Science, 381 Section Reports, 405, 430, 467, 498, 528 Evening Discourses, 531
  • Concluding Remarks, 531
  • Section G.—Engineering—
  • Programme, 253
  • Presidential Address, by Prof. A. H.
    • Gibson, on Water Power, 420. See 406
  • Scottish-Grown Timbers for Aeroplanes and Pit Props, by Prof. T. Hudson Beare, 405
  • Experiments on the Mechanical Properties of Scots Pine, by Prof. A. R. Home, 387*, 405
  • Stresses in Ship's Plating due to Fluid Pressure, by Dr.B. C. Laws, 368*, 405. See LETTERS, 410*, 486, 540*, 567, 612, 640, 693
  • Fracture of Wires in Steel Ropes, by Dr. E. M. Horsburgh, 406, 707*
  • Influence of the Width of the Specimen upon the Results of Tensile Tests of Mild Steel and Rolled Copper, by Prof. T. Hudson Beare and W. Gordon, 389*,406
  • Linking up of te Small Water Powers in Scotland, by Prof. F. G. Baily, 410. See 406
  • Utilisation of Tidal Power, with Special Reference to the Severn Estuary, by Prof. F. C. Lea, 424*. See 406, 422. See LETTER, 540
  • Seaplanes, by Squadron Leader A. J. Riley, 406
  • Mid-Scotland Canal, Joint Discussion with Section C, 407, 462
  • New Electricity Supply Station of the Edinburgh Corporation, by S. B. Donkin, 422*
  • Report of Cothmittee on Complex Stress Distribution, 408
  • Two Dimensional Stresses in Rectangular Plates, by Prof. C. E. Inglis, 523*
  • Large Electric Units, by Dr. S. P. Smith, 399*. See Erratum, 538. See LET-TERS, 486, 540
  • The Negatron : A New Negative Resist¬ance for Use in Wireless Telegraphy, by J. Scott-Taggart, 584*. Sec 409
  • New Device having Negative-Resistance Characteristics, by J. Scott-Taggart, 585*. See 409
  • Long-Distance Transmission of Electrical Energy, by Dr. T. F. Wall, 587*. See 409
  • Centrifugal Pumps, by Dr. S. F. Barclay, 642*. See 430
  • Experiments on Air Lift Pumping, by Dr. .T. S. Owens, 458*. Sec 430. SIP Limn, 693
  • British Association—continued.
  • Iron Bacteria in Relation to the In-crustation of Pipes, by Dr. D. Ellis, 457*. See 430
  • Stresses in Rails and Vibrations of
  • Bridges, by Prof. Timoshenko, 431 Power Gas from Sewage, by J. D. Watson,
  • 456*. See 431
  • New Mine Rescue Apparatus, by Prof. H. Briggs, 568*, See 431
  • Section A.—Mathematical and Physical Science—
  • Presidential Address, by Prof. 0. W. Richardson, on Problems of Physics, 431
  • Eistein's Theory of Relativity, by Prof. A. S. Eddington, 4:33
  • Relativity Contraction in a Rotating Shaft Moving with Uniform Speed along its Axis, by Dr. F. E. Hackett, 433
  • Time Interval between the Absorption and Emission of Light in Fluores¬cence, by Prof. R. W. Wood, 433*
  • Hydrogen Spectra in Long Vacuum Tubes, by Prof. R. W. Wood, 434
  • Reception of Wireless Waves on a Shielded Frame, by A. A. Campbell Swinton, 434
  • Behaviour of an Electrified Pith Ball in an Ionised Atmosphere, by Dr. D. Turner and D. M. R. Crombie, 434
  • Discussion on the Quantum Theory, 434, 467
  • Radiation and Absorption by Atoms, by Prof. J. C. McLennan, 468*
  • Energy of X-Radiation, by Prof. C. G. ]3arkla, 469
  • Harmonic Analysis and Periodicity Measurements, by Dr. W. L. Balls, 469*
  • Recording Ultra-Micrometer, by J. J. Dowling, 395*. See 469
  • Prehensility : A Factor of Gaseous
  • Adsorption, by Prof. H. Briggs, 469 Magnetic Anomaly in the District of
  • Kursk, by Prof. A. Kriloff, 469
  • Age of the Earth, Joint Discussions with Sections C, D, and K, 498
  • Report of Committee on Seismological Investigations, 499
  • Report of Committee on Tides, 499
  • Internal Movements in the Sea, by Dr. H. Pettersson, 499
  • Cause of Cyclones, by Dr. H. Jeffreys, 500 Theory of Cyclones and Anti-Cyclones, by Prof. V. Bjerknes, 500
  • Discontinuity of Temperature at the Top of the Troposphere, by W. H. Dines, 500
  • Dry Period of 1921 in England and Wales, by M. de Carle Salter, 500
  • Geophysical Observatory in the Shet¬lands, by Dr. C. Mitchell, 500 Magnetic Storms of the Present Solar Cycle, by the Rev. A. L. Cortie, 500 Microchronograph at the Royal Obser¬vatory, Edinburgh, by Prof. IL A. Sampson, 500*
  • Theory of the Structure and Motion of the Stellar System, by Prof. J. C. Kapteyn, 501
  • 72-in. Telescope of the Dominion of Canada, by Sir Frank Dyson, 501. See 207*, 240*, 249, 269*
  • Radial Velocities of Stars, by Prof. G. Forbes, 501
  • Four-Dimensional Physics, by Prof. E. T. Whittaker, 501
  • Structure of Molecules, Joint Discussion with Section B, 529
  • Section B.—Chemistry—
  • Presidential Address, by Dr. M. 0. Forster, on the Laboratory of the Living Organism, 529
  • Biochemistry, Papers on, 529
  • Synthesis of Formaldehyde and Carbo-hydrates from Carbon Dioxide and Water, by Prof. E. C. C. Baly and Drs. M. Heilbronn and W. F. Barker, 529
  • Structure of Molecules, Joint Discussion with Section A, 529
  • Surface Tension Measurements at Ex¬treme Temperatures, by Prof. F. M. Jaeger, 530
  • Surface Tension in the Solidification of
  • Metals, by Prof. C. H. Desch, 530 Surface of Liquid Steel, by C. Johns, 619.
  • See 530
  • Modern Dyestuff Industry, by Prof. E. H. Fierz, 530
  • Report of Committee on Fuel Economy,531 Pollution of the Air of Manchester and
  • Salford, by W. Thomson, 554*.
  • See 531
  • Suspended Impurity in City Air, by Dr. J. S. Owens, 555*. See 531, 737
  • Section C.—Geology—
  • Mid-Scotland Canal, Joint Discussion with Section G., 407, 462
  • Age of the Earth, Joint Discussion with Sections A, D and K, 498
  • Section D.—Zoology—
  • Age of the Earth, Joint Discussion with
  • Sections A, C and K, 498
  • Section F.—Economic Science and Statistics-¬Presidential Address, by W. L. lichens,
  • on Wages Determination, 445.
  • Section K.—Botany—
  • Age of the Earth, Joint Discussion with
  • Sections A, C and D, 498
  • British Empire Exhibition, Proposed, 381
    • Engineering Firms, Representation Abroad, 317
    • Standards Association. See Engineering
    • Engineers, American Engineers' Message
  • to, I9
  • Association, conference, 576
  • British Industry, Trade Exhibition Ship, 446. See 377, 723, 819
    • Malaya, Engineering Works in, 823
    • Navy. See H.M. under Warships
    • Petroleum Co., Ltd., Cleary Oil Burner, 672
    • Railways. See Railways
    • Shipbuilding. See Shipbuilding
    • Shipping. See Shipping
    • Trade. See Trade
  • Brittleness, Steel, Produced by Pickling, 226
  • Bronze, Effect of Cold-Drawing, 449
    • Bell Clappers, Fractures, 149
  • Brook, Hirst & Co., Ltd., Drum Type Starting Panel, 726*
  • Brooks, It., Chart for Designing Helical Springs, 173*
  • Brown Coal, Production and Use, 15, 26 Brush-LjungstrOm Turbo-Generator, 399* Bubbles, Air, Velocity in Water, 459*. See 693
  • Buck & Hickman, Ltd., " Samson " Tempera¬ture Regulator, 307*
  • Bucket Conveyor. See Conveyor
  • Buckling Press, Spring, Hydraulic, Hele-Shaw System, 502*
  • Buffalo Forge Co., Ltd., Air Conditioning Plant, 518*
  • Buildings, Brick and Steel Framed, Moving and Raising, 842*
    • Construction, Concrete Blocks and Machines for. See Concrete
  • —. See also Ferro-Concrete and PARA-GRAPH INDEX
    • Materials, Asbestos, 711
  • Bulge Protection, Merchant Shipping, Torpedo Attack, 787*
  • Bulkheads. See Water-Tight Subdivision Bullets, Photographing in Flight, 12
  • Bunkers, Ships', Spontaneous Combustion of Coal, 892
  • Bureau of Mines. See United States
    • Shipping. See United States
    • Standards. See United States
  • Burmeister & Wain, Ltd., M.S. " Malaya," 195
  • Burners, Oil Fuel. See Oil Fuel
  • Burt-McCollmu Air Cooled Oil Engine, 538*. See 37
  • Business, Human Factor in (Review), 610
  • C.
  • CABLE Ploughing, Oil Tractor for, 36*
    • Reel, for Portable Electric Tools, 550*
    • See also Wire Ropes and Electric
  • Cableway. See Wire Ropeway
  • Cadman, Sir J., on the Mining Industry, 418
  • Cadmium, Properties of, 766
  • Caisson, Dry Dock, Royal Albeft Dock
  • Extension, 5*
  • Ferro-Concrete, Construction of Wharves
  • and Breakwaters, 23, 40, 73. See
  • Erratum, 152
    • Timber, Pier Foundations, Harriman Bridge, 264*
  • Calcium Carbide, Acetic Acid Manufacture from, 681
  • Calculating Slips, Napier's Bones, 601. See LETTER, 661
  • Calcutta, Dredger " Gunga " for, 151 Calender, Laundry, Explosion of, 583 Calibration of Level Tubes, 159*
  • California, Water Shortage in, 288
  • Calorific Standard, Sale of Gas, 29, 546 Calorimeters, Gas, Recording, Report, 546. See 571
  • Cammellaird-Fullagar Engines, M.S. " Malia," 503
  • Campbell & Isherwood, Ltd., Ship Lighting Sets, 416*
  • Cams, Cutting by Oxy-Acetylene Blowpipe, 310*
  • Canada, British Trade with, 672'
    • Coal and Water Power in, 890. See 226
    • Lignite Briquetting in, 615
    • Toronto Tramways, Automatic Sub-Station, 747*
    • Water Power Resources of, 226. See 890
    • Winnipeg Water Supply, New Aqueduct,
  • 589*, 621* .
  • Canadian Government. Reflecting Telescope and Observatory, 207*, 240*, 269*. See LETTER, 249. See also 501
    • Meade-Morrison Co., Ltd., Floating Crane, 784*
  • Canals, British, Proposed Reorganisation, 156. See LETTER, 220
    • — and Railway Competition, 156. See LETTER, 220
    • Ship, Forth and Clyde, 407, 462
    • Suez, Traffic, 314, 404
    • See also PARAGRAPH INDEX
  • " Canossin " Steam Trawler, Explosion on, 711
  • Cantilever Bridge. See Bridge
    • Construction, Cargo Steamer, " P.L.M. 20,"
  • 339*
  • Capacity. See Electric
  • Capital and Labour. See Labour and Industrial
  • Notes
  • Capstan, Electric, for Floating Dock, 775*.
  • See 720
  • Carbide of Calcium, Acetic Acid Manufacture
  • from, 681
  • Carbocoal Smokeless Fuel, Manufacture of,
  • 175*. See 68
  • Carbohydrates, Synthesis of, 529
  • Carbon, Chemistry of Combustion, 65
    • Fusion of, 352
    • Monoxide Gas, Poisoning by, 259. See 319
    • — in Town Gas, 318. See 259
    • Rate of Diffusion into Iron, 279
  • Carbonisation, Coal, Smith Continuous Pro¬cess, 175*. See 68
  • Low Temperature, of Coal, 29, 68, 175*, 596*. See Erratum, 110
    • in Horizontal Retorts, Gas Manufacture, 561
    • Peat, in Vertical Retorts, 545
  • Carburisation. See Heat Treatment under Metallurgy
  • " Cargo Shipper," Motor Ship, Converted
  • Sailing Vessel, 221
  • Cargo Steamers. See Steamers
    • Winches, Electric, Olympia Exhibition,435* Carriages, Dining, Midland Railway, 105 ; Great Northern Railway, 570
    • Pullman, London, Brighton & South Coast Railway, 217
  • Carriers Act and the Railway Companies, 545 Cars, Motor. See Motor Cars
  • Cartault, M., on Railway Track Repairing Plant, 281
  • Cartridge Cases, Season Cracking, 263* Cartwright, W., on Cold-Drawing Bronze, 449 Case Hardening. See Heat Treatment under
  • Metallurgy
  • Cask-Making Plant, Brewers' Exhibition, 638 Cassel, Prof. G. E., Bench Vice, 567
  • Cast Iron Filter Cover, Explosion of, 742
    • Steam Pipe, Explosion by Water Ham
  • mer, 102. See 839
  • — — Water Pipes, Corrosion of, 145, 168
  • Casting Aluminium Alloys, 613. See 624
  • — of Brass Ingots, 452*. See 449
    • Foundry Costs and Establishment Charges, 894*
    • Grey Iron, Problem of, 892
    • Iron and Steel, Production at Horwich Works, 832*
    • Machine, Liability for Breakage, 259
    • Steel, Manufacture at E. Allen & Co.'s Works, 306*, 335*
  • Catalogues, 32, 134, 170, 204, 236, 268, 331,
  • 360, 556, 588, 619, 647, 681, 712, 745, 776,
  • 807, 901. See PARAGRAPH INDEX Catalysis in Chemical Reactions, 512. See 411 Catchment Areas, Yield of, 513
  • Caterpillar Tractor. See Tractor
  • Cavitation Phenomena, Marine Propellers, 85*, 114
  • Cells. See Electric
  • Celluloid Models, Stress Determination by. See Optical
  • Cement, Effect of Sulphur in Tropics, 711
    • Grouting, Francois Process, 24, 45, 77'
    • Gun for Tunnel Repairs, 21, 30, 49
    • Kilns, Heat Losses from, 193
    • Making Plant, Manufacture, E. Allen & Co.'s Works, 338*
    • Slag, Manufacture in Electric Furnace, 103
    • See also Concrete and PARAGRAPH INDEX Cementation. See heat Treatment under Metallurgy
  • Central Railroad, New Jersey, Locomotive Ash-Pits, 125*
    • Station. See Power Station
  • Centrifugal Drying Machine, Sulphate of
  • Ammonia, 136*
    • Pdmps. See Pumps, Centrifugal Ceramic Society : Autumn Meeting, Refractory
  • Materials Section, 536, 576* ; Programme, 443 ; H. Dewey, on the Refractory Materials of the London Basin, 536 ; J. H. Marlow, on the Marlow Gas-Fired Tunnel Oven, 536 ; P. J. Woolf, on the Combus¬tion of Oil Fuel, 536 ; Dr. A. Granger, on Alumina and Corundum as Refractories, 537 ; H. S. Houldsworth and Prof. J. W. Cobb, on the Reversible Thermal Expan¬sion of Silicia, 576*
  • Ceratherm Pump for' Uorrosive Liquids, 852* Cerium Steel, United States Research, 892 Certificates, National, Institution of Mech
  • anical Engineers, 12
  • Chains, Driving, Testing Machine for, 11* Chain-Track Tractor. See Tractor Change-Speed Gear. See Gear ; and Motor-Car
  • Details.
  • Channels, Standard, Properties of, 712 Characteristic Curves, Heat Treatment of Steel, 551*. See 384
  • Charcoal, Adsorption of Gases by, 469
  • Chart. See Diagram
  • Chemical Action, Season Cracking of Brass, 262*, 297,* 327*
    • Analysis. See Analysis
    • Ceratherm Pump for, 852*
    • Combinations and Valency, Modern Theories, 382, 529 •
    • Electric Heaters for, 852*
    • Fertiliser Works, Explosion of Filter, 742
    • Society, American, Discussion on Oil Emulsions, 771
    • Industry, Society of, N. E. Rambush, on Fuels for Producers, 668 ; J. H. West on the Claude Ammonia Process, 732
    • Laboratory, Intermediate Scale, Imperial College, 12
    • Reactions, Radiation and Catalysis in, 512. See 411
    • Tests, Fading of Inks, 259
    • Works, Report on, 190
  • Chemistry, Acetic Acid, Synthetic Manufac
  • ture,• 681
    • Ammonia Recovery Plant, Leamington Gas Works, 135*
    • Applied, Reports on Progress (Review), 227
    • Claude Synthetic Ammonia Process, 732
    • Colloid, Applied, General Theory (Review), 353

—** of Combustion, 65

    • of Corrosion. See Corrosion
    • Dyestuff Industry, Present Position, 530
    • Formaldehyde and Carbohydrates, Syn-thesis of, 529
    • Hydrogen Isotope, 382. See 432
    • Isotopes and Atomic Weights, 382
    • of Living Organisms, 529
    • Nitrogen Products, Statistics, 34.5
    • Notes on Pipettes, 854
    • Optical Rotatory Dispersion? 33
    • Structure of Atoms and Molecules, 529
    • See also PARAGRAPH INDEX
  • Chemists, Metallurgical, Sheffield Association
  • of, Address by Sir R. Hadfield, 607 Chevenard, P., on Heat Treatment of Steel,
  • 551*. See 384
  • Chile Nitrate Trade, Statistics, 345
  • Chilian Railways, Electrification of, 797
  • China, British Trade and Foreign. Office Policy, 757
  • China, Shanghai Harbour, Possibilities, of Im-proving, 797

— * Yellow River Bridge, Tenders for, 517, 540, 567

  • Chorlton, A. E. L., on Internal-Combustion Engines, 69*. See Erratum, 109
  • Christiania, Free Port of, 728,* • • Chroinite, World's Output, Effect of War, 140, 165
  • Chromium Steels, Etching Agent for, 570

— * Steel, High Temperature Tests and Effect of Heat Treatment, 594* - * — and Iron, Properties of, 771*, 805* — Turbine Blades, Failures in U .8 . Destroyers, 615* - * — Turbine Blades and Pump Rains, 592*

  • Chronograph, Oscillograph Type, Edinburgh
  • Observatory, 500*
  • Chronometers, Testing at N.P.L., 159
  • Chuck. See Machine Tools
  • Church Building, Moving and Raising, 842*
  • Churchill Grinding Machine, Crankshaft
  • Work, 812* •
  • Circuit Breakers, Standard Specif1cations, 610
  • Circulating Pumps. See Pumps
  • Civil Aerial Transport. See Aeronautics

— * Engineering Profession, Development of, 646. See 635 — * Engineers, American Society of, E. E. Howard on Vertical Lift Bridges, 199*, 234*, 264* — * Engineers, College Course for, 239

  • Civil Engineers, Institution of :
  • James Forrest Lecture on Fuel Problems
  • of the Future, by Sir G. T. Beilby, 26 Engineering Conference. See Engineering Presidential Addfess by W. B. Worth
  • ington, 646. See 636
  • History and Development of Institution, 646. See 635
  • Indian Railway Gauge Problem, by F. G. Royal-Dawson, 696
  • Deep-Water Quays : General Considera
  • tions of Design, by E. Latham, 822 Stability of Deep-Water Quay Walls, by
  • F. E. Wentworth-Sheilds, 822
  • Awards for Papers, 886
  • Civil Engineers, Training and Status, 647. See 635
  • Clarke's Crank & Forge Co., Ltd., Works and Products, 777*, 811*
  • Clarkson Coke-Fired Steam Lorry, 275*, 630.* See 575, 579
  • Clarkson, T., on Coke Fuel for Motor Vehicles, 579
  • Classification of United States Shipping, 794 Claude Synthetic Ammonia Process, 732
  • Clays, Fire. See Firebricks ; Refractory
  • Materials
  • Clayton, C. H. J., on the Conservancy and
  • Maintenance of Rivers, 120, 130
  • Clayton Valve Co., Ltd., Valves, 472*
  • Cleary Oil Burner, Domestic Use, 672
  • Clements, R. G. H., on Road Vehicles and
  • Road Surfaces, 119, 129*
  • Clerk, Sir D., on Water Power, 828
  • Clerk's Compound Internal-Combustion Engine,
  • 70*
  • Cleveland Iron Prices. See Metal-Price Diagrams
    • and the Northern Counties, Notes from

14, 59, 105, 153, 187, 220, 252, 282, 315, 347, 377, 411, 442, 477, 508, 541, 570, 603, 633, 664, 697, 729, 760, 790, 822, 854, 887. See PARAGRAPH INDEX

    • Technical Institute, 480
  • Cleworth Ventilating and Humidifying Appa
  • ratus, 202*
  • Climate. See Meteorological
  • Clock, Driving, 72-in. Reflecting Telescope, 243*
  • Cloud Condensation Apparatus, Cleaning of
  • Blast Furnace Gas, 58.
    • with Sharp-Cut Edge, 693
  • Clutch, Friction, for Winding Engine, 629*
  • Clyde and Forth Canal, Notes on, 407, 462
  • Coaches, Railway. See Carriages
  • Coal Briquetting Press, Duplex, 689*

- * Brown, Production and Use, 15, 26 - * Carbonisation in Horizontal Retorts, Gas Manufacture, 561 - * Carbonisation, Low Temperature, 29, 68, 175*, 596*. See Erratum, 110

    • - Smith Continuous Process, 175*. See 68
    • Combustible Constituents, Physical Con¬stants, 78. See 24, 46
    • Conservation of Supplies, 418
    • Consumption, Boiler Plants, Possible Reduction, 29
    • Cost of, and Industrial Prosperity, 26
    • Deterioration in Quality, 26
    • Economy. See also Fuel Economy ; Pul-verised Coal
    • Gas. See Gas
    • Handling Plant, Holton Heath Cordite
  • Factory, 706* •

- * Industry, Basing Wages on Profits, 61

    • Laboratory Tests and Results in Producers, 668
    • Liberation of Nitrogen as Ammonia, 562
    • Meter, Lea, for Chain-Grate Stokers, 416

- * Mexican, Production and Utilisation, 828

    • Mines, Accidents in, Effect of Legislation, 418
    • - Switchboards for, 640
    • - See also Colliery
    • Mining, British and American Methods, 608
    • - British and Foreign Labour Costs, 517
    • - Machinery, Electrical, Increased Use, 734
    • Production of the World, 26
    • Pulverised, and Oil Fuel. See Colloidal Fuel
    • Pulverised. See Pulverised Coal
    • Purchase by Calorific Value, 67
    • Resources, Canadian, 890 •

- - German, 15, 26 - * Spontaneous Combustion in Mines, 380 ; in Ships' Bunkers, 892 - * Strike, Principles of Settlement, 61 - * Subsidy and Industrial Depression, 511. See LETTERS, 567, 728 - * Tar for Road Work, 738 - * Wagons, Revolving Tippler for, 706*

  • Coal Washing, Froth Flotation and Rheolaveur Processes, 24, 45, 76

— * World's Output, Effect of War, 139, 165 — * See also PARAGRAPH INDEX

  • Coaling Steamers, Floating Crane for Montreal
  • Harbour, 784*
  • Coalite, Smokeless Fuel, Manufacture and
  • Advantages, 29, 68, 596*. See Erratum,
  • 110. See also 175*
  • Coastwise Shipping, Development of, 32, 109,
  • 111
  • Cockburns, Ltd., Valves for Marine Turbines,
  • 473*
  • Coke Breeze, Firing Boilers with, 186
  • — Fuel for Motor Vehicles, Advantages, 579.
  • See 275*, 575, 630*

— * Liberation of Nitrogen as Ammonia, 562 — * Oven Gas, Hydrogen Production from, 732 Coker, Prof. E. G., on Scratches in Materials, 56, 81

  • Coking, Coal, Smith Continuous Process, 175*. See 68

— * Low Temperature, of Coal, 29, 68, 175*, 596*. See Erratum, 110 — * of Peat in Vertical Retorts, 545 — * Stoker. See Stoker

  • Cold-Drawing Bronze, Effect of, 449

— * Storage. See also Refrigeration — * Stores, Insulation of, 606

  • — — Measurement of Humidity, 891
  • — — Tests of Insulating Materials, 192
  • College. See.Education
  • Collet System, Railway Track Repairing, 281
  • Collieries, British and American Mining
  • Methods, 608
    • Coal Washing, Froth Flotation and Rheo-laveur Processes, 24, 45, 76
    • Electrical Apparatus, Safety Bolts, 376 — — Machinery in, 734
    • Hydraulic Stowage in, 480
    • Scottish Timbers for Props, 405
    • Spontaneous Combustion of Coal, 380
    • Switchboards for, 640
    • Use of Cement Grouting, 24, 45, 77
    • of Exhaust Steam in Turbines, 141, 165* Colliery Accidents, Effect of Legislation, 418
    • Industry, Basing Wages on Profits, 61
    • Penallta, Tests of Air Compressor for, 535*. See LETTERS, 661
    • Rescue Apparatus, Liquid Air and Com
  • pressed Oxygen, 568*. See 431
  • — — Work and Organisation (Review), 352
    • Strike, Principles of Settlement, 61
    • Ventilating Fan, " Regainer " for, 659*
    • Winding. See Winding
    • See also Mines and Coal
  • Collisions. See Accidents
  • Colloid Chemistry, Applied, General Theory
  • (Review), 353
  • Colloidal Fuel, Comparisons with Oil and
  • Pulverised Fuels, 90. See Erratum, 149

— * — Bar-Heating Furnace, Tests, 124* — * Graphite, Sight-Feed Lubricator for, 57 * Columbia River Bridge, Vertical Lift, 201* Combined Stress. See under Tests (Materials) Combustion, Chemistry of, 65 — * of Oil Fuel, 526

  • Combusiions Ltd., Oil Fuel Burner, 631* Commerce. See Trade. See also Industries and Commerce in PARAGRAPH INDEX Commercial Aviation. See Aeronautics

— * Motor Cars. See Motor — — Exhibition, Olympia, 575 — * Situation in Austria, 256

  • Committee, Engineering Standards. See Engineering and Standardisation Commonwealth. See Australia
  • Communipaw, Locomotive Ash-Pits at, 125* Compagnie Generale Transatlantique, SS. Paris," 96* 181*, 246*
  • Companies. See PARAGRAPH INDEX
  • Comparator, Gear Tooth, Sykes, 103*. See 803* • Compensation Water, Water Supply Schemes, 144, 169
  • Competition, Air Ministry, Petrol Tanks for Aircraft, 323, 769

— * Domestic Labour-Saving Appliances, 892 Complex Stress Distribution, Report on, 408 Compound Locomotives. See Locomotives — * Stress. See Tests (Materials)

  • Compounding, Internal-Combustion Engines, 69*
  • Compressed Air Hoses, Coupling for, 215*

— * — Operating Gear, Floating Dock Valves, 772*, See 720 — * — See also Pneumatic — * — Tools. See Machine Tools Compressor, Air. See Air Compressor — * Ammonia, West's High-Speed, 507* Conciliation in Labour Disputes. See Labour ; Industrial Notes; and PARAGRAPH INDEX Concrete Aqueduct Construction, Winnipeg Water Supply, 589*, 621*

  • — Arch Design, Aqueduct, Winnipeg Water Supply, 621*. See 589*

— * Bituminous, for Road Construction, 120, 128

    • Blocks, Effect of Vibration in Moulding, 11
    • Construction, Cross Hill Reservoir, 278* — — North London Circular Road, 191
    • Expansion of, Measurement, 159
    • Mixing Machine, Ransome Portable, 735*
    • Machines, Road Construction, 734* — — and Pouring, Winnipeg Aqueduct, 623*
    • Permeability of, 40, 73. See 23
    • Reinforced. See Ferro-Concrete
    • Roads, Tamping Machine for Breaking Up, 735, 853*. See Erratum, 759
    • Signal Posts and Fences, 36
    • Slag Aggregate for, 851
    • Work, Vaal River Barrage, 326
    • See also Ferro-Concrete and PARAGRAPH INDEX
  • Condensation Apparatus, Cloud, and Cleaning of Blast Furnace Gas, 58

— * of Steam in Nozzles, 750

  • Condensers, Air Pumps for. See Pumps, Air
    • Surface, Cleaning Tubes with Sand, 69
    • Tubes and Glands, Standard Specifications, 640
    • See also Electric
  • Condensing Plant, 12,500-kw. Turbo-Generator
  • 873*, 876*
  • Conductivity, Thermal, Heat-Insulating Materials, 192

— * See also Electric

  • Conference, British Engineers' Association, 576

— * Engineering. See Engineering

    • International, High-Tension Power Trans-mission, 673
    • Washington, on Disarmament, 704, 858 Congress, Public Works, Roads and Transport, 737. See 734*

— * Royal Sanitary Institute, Folkestone, 12 Conical Tubes, Flow of Viscous Liquids through, 711

  • Connecting Rods, Balancing Machine for, 439* — — Details, Nordberg Winding Engine, 629* Conservation of Coal. See Coal ; Fuel ; Pulverised Coal
  • Constructional Materials, Johnson's Treatise on (Review), 194
  • Contact Potentials of Metals, Theory of, 432 Container Cars, New York Central Railway, 820*
  • Contracts, British Battle Cruisers, Distribu¬tion, 605

— * Lump Sum, Law of, 380 — * Terms, Legal Effect of Variations, 62 Control of Internal-Combustion Engines, 58 — * Surfaces, Airship, Pressures on, 651*

  • Controllers, Electric Motor. See Motors, Eleotrie
  • Converters, Rotary, Design of Large, 402*

— * Tropenas, Steel Foundry, Horwich Works, 834*

  • Conveyors, Belt, Grain-Handling Plant, Bor-deaux, 312*

— * and Elevators, Design and Capacities, 866*. See 859 — * Loading and Unloading Ships, 52, 81. See 859, 864*, 866* — * Water Trough, for Ash-Handling,

  • 231*
  • Cook, S. S. on Marine Turbine Reduction
  • Gears, 142, 167
  • Cooking, Electric, London-Leeds Dining Car
  • Train, 570
  • Cooling Coils, Diesel Engine Compressors,
  • Bursting of, 59, 253
  • Co-operation. See Labour
  • Co-partnership. See Labour
  • Copper Alloys. See Brass ; Bronze ; Gun
  • metal ; and Alloys under Metallurgy

— * Billets, Rotary Piercing Machine for, 397*, 429*, 495*, 527*. See LETTERS, 612, 660 — * Brewing, Explosion, Report, 343 — * Metallurgy of (Review), 485 — * Plates, Tensile Tests, Effect of Width of Specimen, 389*, 406 — * Prices. See Metal-Price Diagrams — * Tube Plates, Locomotive Boilers, Repair-ing Cracks, 251* — * Use for Welding, Hyde Process, 338* — * Working and Annealing, 449, 899* — * See also Metallurgy

  • Cordite Factory, Holton Heath, Coal and Ash
  • Handling Plant, 706*
  • Corliss Valves and Operating Gear, Nordberg
  • Winding Engine, 694*
  • C'ormack, P., on Balancing Reciprocating
  • Masses, 778*
  • Corrosion. Aluminium Alloys, 645. See 627

— * Cast Iron Water Pipes, 145, 168 — * Gas Mains and Services, 563 — * Meters, 342, 563 — * Iron and Steel, Comparisons of Metallic Coatings, 142, 167, 640 — * and Season Cracking of Brass, 262*,

  • 297*, 327*
  • Corrosive Liquids, Electric Heaters for, 852*
  • Ceratherm Pump for, 852*
  • Corundum, Refractory Properties, 537
  • Cost, Bridge Construction, United States,
  • 202, 235, 267, 268

— * Keeping in Foundries, 894*

  • —7- — Four-Week Period, 894
  • Cotton Mills, Steam Pipe Explosions, 102,
  • 839
  • Couplings, Fire Hose, Standardisation of, 187

— * Hose, Pneumatic, 215* — * Shaft, Flexible, Steel-Link Type, 375* — * See also Clutch

  • Coyerings, Non-Conducting. See heat In
  • sulation
  • Cowper-Coles, S. 0., on Protective Coatings
  • for Iron and Steel, 142, 167
  • Cracking, Season, of Brass, &c., 262*, 297*,
  • 327*
  • Cracks, Copper Tube Plates, Locomotive
  • Boilers, Repairing, 251*
  • Craftsmanship, Influence of Automatic
  • Machine Tools, 50, 80
  • Crane Accidents and Loads on Chains, 224

— * Boiler Explosion : No Safety Valve, 883 — * for Discharging Large Ships, 21, 31, 38, 52, 81. See 7*

  • Electric versus Hydraulic, for Unloading Ships, 22, 32, 40

— * 15-cwt. Electric, Self-Propelled, 564* — * Equipment for Floating Docks, 774. See 720 — * Royal Albert Dock Extension, 7* — * Floating, for Coaling Steamers, Montreal Harbour, 784* — * Goliath, Dock Wall Construction, 4* — * Jetties, Ferro-Concrete, Royal Albert

  • Dock, 6*
  • Portable, and Grab, for Ditch Clearing, 722*

— * Transporter, Walker, Royal Albert Dock Construction, 7*

  • Crankpin Turning Machine, Gardner, 812* Crankshaft Manufacture, Clarke's Crank & Forge Co., Ltd., 777*, 811*

— * Petrol Engine, Proportions, 58 — * Twelve Throw, Doxford Marine Oil Engine,

  • 723*
  • Crawley Agrimotor Co., Ltd., Hydrohoist,
  • 759*
  • Creosote, Standard Specification for, 516
  • Critical Speeds of Shafts, Approximate Cal
  • culations, 717*
  • — — Turbine Rotors, 1*
  • Crook, T., on Mineral Supplies, 139, 165
  • Cross Bill Reservoir, Birkenhead Water Supply,
  • 287*
  • Crosshead, Nordberg Winding Engine, 629*
  • Crucibles of Alumina and Corundum, 637
  • — Furnaces, Steel Melting, E. Allen & Co.'s
  • Works, 304*
  • Crude Oil Engines. See Engines, Oil
  • Cruisers. See Warships
  • Crusher, Gyratory, E. Allen & Co., 336*
  • Cruttwell, G. E. W., on Models for Estuarial
  • Experiments, 121, 130
  • Crystalline Structure of Metals. See Metal
  • lography ; Microphotographs
  • Cultivating Machine, Simar, 36
  • Cunliffe & Croom, Ltd., Horizontal Boring
  • Machine, 33*
  • Cupolas and Blowers, Foundry, Horwich
  • Works, 834*
  • Currents, Electric. See Electric
  • Cutting Apparatus, Oxy-Acetylene, Olympia,
  • 439

— * Machines, Oxy-Acetylene, Davis-Bournon-ville Co., 274*, 307, 356* — * Tools, Lathe-Type, Lumsden System, 183*,

  • 213*
  • Cyanogen, Removal from Town Gas, 563
  • Cycle, Motor. See Motor Cycle
  • Cyclones, Cause of, 500
  • Cylinders, Diesel Engine, Heat Transmission
  • in, 123, 132

— * Large, for Diesel Engines, 123, 132* — * Locomotive, Production of Castings, 834 — * Nordberg Winding Engine, 694* — * Steel, Hot Drawing on Mandril, 678*. See LETTER, 693

  • Cylindrical Grinding Machine. See Grinding Machine under Machine Tools
  • D.
  • DABELL, A. F., on Improving Oil Produc-tion, 827. See 670
  • Dalby, Prof. W. E., on the Elastic Limit, 55, 81* ; on Engine Indicators, 94
  • Dalziel, J., on Battery Locomotives, 147, 170 Dam, Alwen, Birkenhead Water Supply, 286*

— * Vaal River, Rand Water Supply, 325* — * Scar House, Water Power Plant for Con-struction, 817*

  • Damascene Steel, Comparisons with High-Speed Steel, 395*
  • Davey, Paxman & Co., Ltd., Gas Engine and Producer for Wood Refuse, 8*
  • Davidson, Sir S. C., the Late, 323
  • Davies, C. E., Rotary Piercing Machine, 397*,
  • 429*, 495*, 527*. See LETTERS, 612, 660 Davis-Bournonville Co., Oxy-Acetylene Cutting
  • Machines, 274*, 307*, 356*
  • Deacon, M., on Utilisation of Exhaust Steam, 141, 165*
  • Deane,- H. J.,
  • on Cranage Facilities for Dis¬charging Ships, 21, 31, 38
  • Deflection Indicators for Floating Docks, 773* Denison, S., & Son, Ltd., Spring Buckling Press, 502*
  • Denny, M. E., on Fabricated Ships, 84, 112 Density of Copper-Zinc Alloys, 585*. See 449 — Water, in Boilers, Indicator for, 57
  • Denton, W., the Late, 601
  • Derby 36 Show, Royal Agricultural Society, 7*, *
  • Detonator Tests, Hardness of Bearing Metals, 394
  • Deu tsch, F., on German Capital and Labour, 676
  • Devastation of France, Economic Features, 636. See 383, 418
  • Dew Point, Distance Reading of, 193. See 890 Dewhurst, J. H., the Late, 315
  • Dewrance & Co., Aquadag Lubricator, 57* d'Eyncourt, Sir E. H. T., on Protecting Merchant Ships against Submarines, 787* Diagram, Designing Helical Springs, 173*

— * Alignment, Gases, Internal-Combustion Engines, 302* — * Heat Treatment of Steel, 551*. See 384 — * Indicator. See Indicator — * Metal-Price. See Metal-Price Diagrams Dial Gauge Measuring Gear Teeth, 103*, 803* Die Cutting, Oxy-Acetylene Blowpipe', 310* — * Sinking Machine, B. Symons & Co., 341* Diesel Engine Users' Association, Meetings of, 59, 253 — * Engines. See Engines, Oil, Diesel

  • Dining Cars, Midland Railway, 105 ; Great
  • Northern Railway, 570
  • Diplomas, National, Institution of Mechanical
  • Engineers, 12
  • Directional Wireless. See Telegraphy, Wireless
  • Directories, Trade, Omissions from, 540

— * See also LITERATURE INDEX

  • Disarmament, Washington Conference on,
  • 704, 858
  • Diseases, Industrial Poisoning, Susceptibility
  • and Immunity, 159
  • Dispersion, Optical Rotatory, 33
  • Disputes, Trade. See Labour
  • Ditch Clearing, Portable Crane and Grab for,
  • 722*

•* Dixon, Sir R., & Co., Ltd., Cargo Steamer, Cantilever Construction, 339*

  • Dobson, W. A., on the Registration and Classi¬fication of American Vessels, 794
  • Dock Construction, Ferro-Concrete Work, Deterioration and Protection, 23, 40, 73 — — Schemes in Parliament, 767

— * Dimensions for Future Requirements, 21, 31, 38 — * Dry, Royal Albert Dock Extension, 5* — * Dues and Tonnage Measurement, 704 — * Floating versus Graving, 721 — * — Machinery of, 720, 739*,

  • 772*
  • — London, Pneumatic Grain Elevators, 864*.
  • See 859*

— * Mechanical Appliances for Loading and Unloading Ships, 21, 31, 38 , 52, 81. See 859, 864*,866*

  • — Royal Albrt, London, Extension, 2*, 100

— * Suggested Thames Barrage, 22, 31, 30 Dolby, E. R., on Use of Exhaust Steam, 24, 42, 74. See Errata, 153

  • Domestic Heating, Comparison of Electric, Gas and Solid Fuel, 68
  • — Latour-Saving Appliances, Competition, 892
  • Domnarfvets Iron Works, Slag Cement Manu-facture, 103
  • Donkin, S. B., on Edinburgh Corporation Power Station, 422*
  • Donop, von, Lieut.-Col. P. G., the Late, 672 Dopes, Aeroplane, N.P.L. Investigations, 192 Double Helical Gears. See Gears

— * Reduction Gears, Marine. See Marine Propulsion

  • Dowling, J. J., on a Recording Ultra•Micro-meter, 395*. See 469
  • Dowson & Mason Gas Plant Co., Ltd., Beard-more Quick-Acting Valve, 759* ; Oil and Paint Storage Plant, 632*
  • Doxford Marine Oil Engine, Crankshaft, 723* Drainage, Fen, Effect of Sluices and Barrages, 121, 130

— * Land, Excavating Machine for, 795 - * — and River Maintenance, 120, 130 — * Pumps, Centrifugal, at Memphis, 643* — * Road, Treatise on (Review), 290. Drawing, Cold, of Bronze, Effect of, 449 — * Hot, Investigations of, 678*. See LETTER,

  • 693
  • Dredging River Estuaries, Comparisons with
  • Training Walls, 121, 131
  • Dredger " Gunga," for Calcutta, 151
  • Drills and Drilling Machines. See Machine
  • Tool
  • Driving Chains. See Chaim
  • Drop Forging Dies, Machine for Cutting, 341*
  • Drum Type Starting Panel, Electric Motors,
  • 726*
  • Drury, 0. G. C., on Tunnel Maintenance,
  • 21, 30, 49
  • Dry Cells, Regeneration of, 342

— * Dock. See Dock

  • Dryers, Steam, Tompkin's, 416*
  • Drying Apparatus, Electric, for Chemicals, 852*

— * Cylinder, Yarn, Explosion of, 217 — * Machine, Centrifugal, Sulphate of Ammonia, 136*

  • Dryland, A., on Bituminous Macadam, 120, 128 Drysdale Stud Driver and Extractor, 312* Ducey, Lieut.-Com. D. F., on Turbine Blading
  • Failures, 615*, 647*, See 636
  • Dunell, H., on Engine House Management, 68 Dupuy, E. L., on Steels at High Temperatures, 391*, 427*. See 384
  • Dust in City Air, Measurement of, 554*, 555*. See 12, 531, 737

— * Coal. See Pulverised Coal

  • — Respirators for Protection, 672
  • Dyestuff Industry, Present Position, 530 Dynamics of Flying. See Aeronautics.

— * of Wind, 693

  • Dynamos. See Generators, Electric ; 'Purbo

Oonerators

  • E.
  • EAGLE Oil Transport Line, S.S. " San Felix," 441*
  • Earth, Age of, 493
  • — Capacity Effects, Alternating Current Bridges, 711
  • — Pressures, Theories of, 123, 132
  • Earthquake Investigations, Report on, 499 East Asiatic Co., Ltd., Motor Ship " Malaya," 195
  • Ebury Street Bridge, Reconstruction of, 163* Economic Situation in Austria, 256 Economics, Industrial. See Labour
  • — Railway. See Railway
  • Economy, Fuel. See Fuel Economy Economisers and Feedheating, Boiler Plants, 94 Edingburgh Corporation-Power Station, 422*

— * Meeting, British Association. See British Association — * Observatory, Microchronograph at, 500*

  • Education :
  • Apprentices, Training at Horwich Works, 836
  • Bristol University, Appeal for Funds, 226 Civil Engineers, College Course for, 239 — — Training and Status, 647. See 635 Economics, Industrial, Need for Educa
  • tion, 763
  • Engineering Students, Certificates and Diplomas of Institution of Mechanical Engineers, 12
  • Engineers, Education of, Report, 705

— * — Sandwich System, 705

  • Imperial College, Whiffen Chemical
  • Laboratory, 12
  • Manual Training in Schools, 667
  • Scholarships, Naval Architecture and
  • Marine Engineering, 15
  • Secondary Education, Cost and Value, 17

— * Schools, Fostering Originality in, 17 Sheffield, Technical Education in, 607 Training of Skilled Mechanics, 667 Universities, Research Workers in, 607 Younger Research Prize, Glasgow High

  • School of Science, 17
  • See also PARAGRAPH INDEX
  • Efficiency of Boiler Plants. See Boiler Plants — — Engines. See Engines ; Trials
  •  ; Thermal, Heat Power Plants, Means of
  • Improving. See Mechanical Engineers Egerton Mills, Steam Pipe Explosion, 102 Egyptian Oil Field, Geology of, 608
  • Eichleay, Jun. Co., Moving Buildings, 842* Einstein's Relativity Theory. See Relativity. Ejector, Air, Jet, Condensing Plant, Turbo
  • Generator, 876*
  • Elastic Hysteresis, Tensile Tests, 55, 81* — Limit, Definition of, 55, 81*
  • — — Effect of Strain, 55, 81*
  • Elce, N., on Steam and Air Flow in Nozzles, 750
  • Electric :
  • Accumulator Locomotives for Shunting, 147, 170

— * Vehicles. See Motor Lorries

  • Alternating Currents, Mercury Vapour Rectifiers for, 403. See 588 Alternator. See Generator and Turbo Arc Furnace. See Furnace, Electric

— * Volatilisation in, Analysis by, 226 — * Welding. See Welding

  • Electric—continued.
  • Battery Locomotives, Shunting, 147, 170
  • — Vehicles. See Motor Lorries
  • Blind Persons, Employment in Electrical
  • Work, 715*
  • Bridges, Alternating Current, Earth
  • Capacity Effects, 711

— * Anderson's, Measurement of Capacity Variations, 711 — * Method, Voltage Regulation, Photo

  • meter Lamps, 711
  • Cables, Buried, N.P.L., Research, 213*

— * Reel, Portable Electric Tools, 550* Capacity Effects, Alternating Current Bridges, 711

  • Measurements, High Frequencies, 212* — Variations with Frequency, Measure-ment, 711
  • Cells, Dry, Regeneration of, 342
  • Central Stations. See Power Stitions Circuit Breakers, Standard Specifications, 610
  • Coal Mining Machinery, Increased Use, 734 Condensers, Variation of Capacity and Resistance, 711
  • Conductivity and Surface Tension, Rela-tionship, 530
  • Contact Potentials, Metals, Theory, 432 Cooking Arrangements, London-Leeds Dining Car Train, 570
  • Cranes. See Cranes
  • Current Regulator, Selenium, Cable Re-search, 213*
  • Dynamo. See Generator ; Turbo-Generator Earth Capacity Effects, Alternating Current Bridges, 711
  • Electrical Industry, Report on Research, 639

— * Trades Union and Municipal Electric Supply, 705 — * Work of N.P.L., 212*

  • Electricity Commissioners' Report, 638, 857 Electrodes, Dry Cells, Regeneration, 342 Flour Bleaching, Alsop Process, 36 Furnaces. See Furnaces
  • Generating Stations. See Power Stations Generator. See Generator and Turbo German Reparations and the British Electrical Industry, 829
  • Heaters, Resistance and Induction, for Chemicals, 852*
  • Hydro-Electric Power Plants. See Power Plants
  • Inductance Measurements at High Fre-quencies, 212*
  • Induction Furnace. See Furnace

— * Heaters for Chemicals, 852*

  • Insulating Materials, Research Work, 639 Lamps, Gas-Filled, Crystalline Structure of Tungsten Filaments, 102
  • — — Investigation of Blackening, 102 — for Lighthouses, 212

— * Osglim Low Candle Power, 450* — Photometer, Automatic Voltage Regu-lator, 711

  • Locomotives. See Locomotives, Electric Machines. See Generators ; Motors Turbo-Generators
  • Magnetos. See Magnetos
  • Mains. See Cables (above)
  • Mercury Vapour Rectifiers Alternating
  • Currents, 403. See 588
  • Micrometer, Ultra-Sensitive, Thermionic
  • Valve Type, 395*. See 469
  • Motors. See Motors, Electric
  • Municipal Electricity Undertakings, Sup
  • ply of Fittings, 734
  • Oil Switch. See Switchgear
  • Positive Rays. See Positive
  • Power Factor Improvement, Distribution
  • Systems, 47, 79
  • See Power

— * Stations. See Power Stations

  • Push-Button Switch, Magnetic Blow
  • Out, 101*
  • Pyrometer. See Pyrometer
  • Railways. See Railways
  • Rays. See Positive ; Röntgen
  • Rectifiers, Mercury Vapour, for Alternat
  • ing Current, 403. See 588
  • Resistance Heaters for Liquids, 852*

— * Standard Unit, N. P. L. Measurements, 212 — * Units for Motor Starters, 99* — * Welding. See Welding

  • Resonance Effects in Power Transmission,
  • 409, 587*
  • Röntgen Rays. See Röntgen
  • Rotary Converters, Design of Large, 402*

— * — Sub-Station, Automatic, Toronto Tramways, 747*

  • Ship Propulsion. See Marine Propulsion. Standard Ohm, Mercury Column, N. P. L . Measurements, 212
  • Starters, Motor. See Motors, Electric Steel Manufacture. See Metallurgy ; Fur¬nace, Electric
  • Storage Battery. See Accumulator (above Street Railways. See Tramways
  • Switchgear. See Switchgear ; Motors,
  • Electric
  • Substation. See Substation
  • Telegraphy. See Telegraphy
  • Telephony. See Telephony
  • Traction. See Locomotives, Electric ; Rail
  • less ; Railways ; Tramways
  • Train. See Railway, Electric
  • Tramways. See Tramways
  • Turbo-Generators. See Turbo-Generators
  • Vacuum Tubes. See Vacuum Tubes ;
  • Röntgen
  • Voltage Regulator, Automatic, Photo
  • meter Lamps, 711
  • Wattmeters, Electrostatic, Shape of
  • Needles, 212*
  • Welding. See Welding
  • Winding Gear. See Winding
  • Wireless Telegraphy. See Telegraphy

— * Telephony. See Telephony

  • Wiremen, Non-Union and Electrical
  • Trades Union, 705
  • X-Rays. See Röntgen Rays
  • See also PARAGRAPH INDEX
  • Electrical Apparatus Co., Ltd., Motor Starters, 99* ; County Court Case, Breakage of Machine Casting, 259 ; Relief Bolts for
  • Mining Apparatus, 376 —1

— * Engineers, American Institute of, W. E.

  • Thau, on Electric Ship Propulsion, 367* — Engineers, Institution of : Presidential Ad
  • dress, by J. S. Highfleld, 667

— * Industry, British, and German Reparations, 829

  • — — Report on Research, 639 ph I

— * Trades Union and Municipal Electric Supply, 705

  • Electricity Commissioners' Report, 638, 857 Electro-Pneumatic Control, Floating Dock Valves, 772*. See 720

— * Zincing Process, Protection of Iron and

  • Steel, 142, 167
  • Electrolytic Corrosion. See Corrosion

— * Etching Metals, for Micro-Examination, 484. See 490 — * Iron, Effect of Heat Treatment, 88. Electron, Magnesium Alloy, Properties, 641 Electrons, Thermionic and Photo-Electric

  • Emission, 432
  • Elevators and Conveyors, Design and Capaci¬ties, 866*. See 859

— * Grain, Pneumatic, Bordeaux-Bassens, 312*, 370* ; Port of London, 864*. See 859* Ellis, Dr. D., on Iron Bacteria, 457*. See 430 Ellis, Sir W., on Smiths' Work, 766

  • Ellison, G., Industrial Switchgear, 355 Embankment, Construction, Columbia River Bridge, 202
  • Emery Wheels. See Grinding under Machine Tools
  • Empire, British, Proposed Airship Services, 320

— * Proposed Exhibition, 381, 734 — * Water Power Resources, 639

  • Employees. See Labour
  • Employers, Need for Organisation, 683

— * Liability. See Labour

  • Employment. See Labour
  • Emulsions, Separation of Oil and Water, 771
  • Endurance Tests. See Alternating Stress under
  • Tests (Materials)
  • Energy Radiation, Quantum Theory, Discus
  • sion on, 434, 467
  • Engines, Aero. See Aeronautics

— * Balancing, Exponential Analysis, 778* Binary Vapour, Steam-Mercury, 64* — * Diesel. See Engines, Oil, Diesel ; Motor Ships — * Gas. 50-h.p., Single Cylinder, Horizontal, Davey, Paxman & Co., Ltd., 8* — * — Effect of Tappet Clearance on Timing, 249*

  • — — Large, British Manufacture, 486. See 402*, 540
  • — — Cockerill, and Electric Generator, 402*. See 486, 640
  • — — with Large Cylinders, 123, 132
  • — — Operated by Sewage Gas, 456*. See 431 — — See also Producer ; and PARAGRAPH INDEX

— * Indicators. See Indicators — * Internal Combustion, 3-h.p. Air-Cooled, Sleeve Valve, with Flywheel Fan, 538*. _See 37

  • — — Combustion, Anaude Compensation, 72. See Erratum, 109

— * — Combustion, Atkinson Cycle, 69* — — Combustion, Compound Working, 69* — * Combustion, Continuous Combustion Type, 63. See LETTER, 220 — * — Combustion, Control of, 68 — * — Combustion, Effect of Tappet Clearance

  • on Timing, 249*
  • — — Combustion, Indicators for, 94

— * — Combustion, Heavy, Liquid Fuels for, 91 — — Combustion, Means of Improving

  • Efficiency, 63, 69*. See Erratum, 109.
  • See LETTER, 220
  • — — Combustion, Nomographic Chart for Gases, 302*

— * — Combustion, at Smithfield Show, 795

  • — — Combustion and Steam, Still, Develop
  • ment of, 64 ; TrIals, 344*
  • — — Combustion, Two Cycle Silent Record
  • 438'
  • — — Combustion, Water Injection in, 64
  • — — Combustion. See also Turbines, Gas

— * Locomotive. See Locomotive Engines, Motor Car. See Engines, Petrol — * Oil, 3-h.p., Air-Cooled, Sleeve Valve, with Flywheel Fan, 538*. See 37 — * Oil, • 7 h.p., and Winch (Parsons Motor Co.,

  • 25*
  • — — at Derby Agricultural Show, 37, 38
  • — — Diesel, 300 h.p., Two Cycle Ansaldo
  • San Giorgio), 721*

— * — Diesel, Aluminium Alloy Pistons, 613. See 595, 625

  • — — Diesel, Bursting of Compressor Coils, 59, 253

— * — Diesel, Fuels for, 91

  • — — Diesel, Marine, Auxiliary Compressors
  • for, 435*

— * — Diesel, Marine, Cammellaird-Fullagar,

  • M.S. " Malia," 503
  • — — Diesel, Marine, Data of Motor Ships,
  • 168. See 143
  • — — Diesel, Marine, Doxford, Crankshaft for,
  • 723*
  • — — Diesel, Marine, with Electric Trans
  • mission, 357* 765
  • — — Diesel, Marine, Heat Transmission in,
  • 123, 132
  • — — Diesel, Marine, with Large Cylinders, 123,
  • 132*
  • — — Diesel, Marine, M.S. " Malaya," 195
  • — — Diesel, Marine, Recent Progress, 143, 188

— * — Diesel, See also Motor Ships ; Diesel

  • Engine U sera' Association
  • — — Effect of Tappet Clearance on Timing,
  • 249*
  • — — with Electric Generator and Air Com
  • pressor (Parsons Motor Co., Ltd.), 374*
  • — — Heavy, Fuels for, 91

— * — Means of Improving Efficiency, 83, 69*. See Erratum, 109. .See LETTER, 220 — * — at Smithfield Show, 795

  • Engines, Oil and Steam Combined, Still, Development, 64 ; Trials, 344*

- * — Two-Cycle, Rotary Blower for Scaveng

  • ing, 435*
  • — — Water Injection in, 64
  • — See also Tractors and PARAGRAPH INDEX

—* Petrol, Balancing, Exponential Analysis,

  • 778*
  • — — Balancing Machine for Connecting Rods,
  • 439*
  • — — Control of, 68
  • — Effect of Tappet Clearance on Timing,
  • 249*

— * — Means of Improving Efficiency, 63, 60*.

  • See Erratum, 109. See LETTER, 220
  • — — Motor Car, Starting Devices for, 437*
  • — — Proportions of Crankshafts, 58
  • — — Small, Production of, 413
  • — — Aeroplane. See Aeronautics

— * Steam, Advantages of High Pressures and Temperatures, 64* — * — Advantages of Superheating, 89

  • — — Compound, Vee Type, Clarkson Lorry,
  • 278*

- * — Compound, Winding, Nordberg Manu-facturing Co., 565*, 628*, 694*, 752*

  • — and Electric Generators, Ship Lighting (Campbell & Isherwood, Ltd.), 416*
  • — — Marine, Early, in the Navy, 486. See 452
  • — — Marine, Quadruple Expansion, S.S. " P.L.M. 20 " 339*
  • — — Marine, See also Marine Propulsion ; Turbines
  • — and 011 Combined, Still, Development, 64 ; Trials, 344*
  • — Pumping, Comparisons with Turbine Driven Pumps, 23, 42, 74. See LETTER. 279. See also 430, 644*
  • — — Sources of Loss in, 68
  • — Traction, and Road Roller, Fowler's Convertible, 36

— * — Traction. See also Tractors - * — Utilisation of Exhaust, 24, 42, 74, 141, 165*. See Errata, 153 — * Winding. See Winding

  • See also PARAGRAPH INDEX
  • Engineers, American, Message to British
  • Engineers, 19

— * Association, British, Conference, 576 — * Civil, College Course for, 239

  • — — Training and Status, 647. See 635 Education. See Education ; Apprentice-ship

— * Institutions of. See Institutions — * and Labour Problems, 635 — * and Municipal Councils, 545 — * Production, Institution of. See Production — * and Shipbuilders in Scotland, Institution of, Presidential Address, by H. E. Yarrow, on Shipbuilding Research, 574 ; J. Ander¬son on Tonnage Measurement, 704 ; Report on Education of Engineers, 705. — * Technical, Society of, 481 — * Young, and the Junior Institution, 255, 733.

  • See LETTERS, 278, 311, 346, 372 Engineering Apprentices. See Apprentices. — British, in China, and Foreign Office Policy,
  • 757

— * as a Career, 692, 756, 785, 819, 851. See Erratum, 887), 886 — * Civil, Development of Profession. 646. See 635

  • Engineering Conference :
  • Opening Proceedings, 18
  • American Engineers' Message to British
  • Engineers, 19
  • Presentation of John Fritz Medal to Sir
  • R. Hadfield, 9. See 63
  • Reports of Discussions, 20, 38, 111, 138
  • Value of Engineering Conferences, 155
  • Section I—Railways, Roads, Bridges and Tunnels
  • Reports of Discussions, 20, 49, 118 Structural Outlines of Home Railways, by A. Ross, 20, 30
  • Tunnel Maintenance, by 0. G. C. Drury, 21, 30, 49
  • Use of Reinforced Concrete on Railways, by W. W. Grierson, 49, 79
  • Impact Tests and Allowances, by H. J.
  • Fereday, 50, 80, 118. See 189 Advantages of Bituminous Macadam, by
  • A. Dryland, 120, 128
  • Road Vehicles and their Relation to Road Surfaces, by R. G. H. Clements, 119, 129*
  • Sections II and V—Harbours, Docks, Rivers and Canals ; Shipbuilding.
  • Reports of Discussions, 21, 38
  • Dock Dimensions to Provide for Future Requirements, by C. R. S. Kirk¬patrick, 21, 31, 38
  • Ship and Harbour Design and Equipment, as Affecting the Rapid Loading and Discharging of Cargo Vessels, by A. R. T. Woods, 21, 31, 38
  • Development of Cranage Facilities for Discharging Large Vessels, by H. 3. Deane, 21, 31, 38
  • Section II—Harbours, Docks, Rivers and Canals.
  • Reports of Discussions, 23, 40, 120
  • Reinforced Concrete for Wharves and Breakwaters, by G. FitzGibbon, 23, 40, 73. See Erratum, 152
  • Best Way of Protecting Reinforced Con-crete from Marine Deterioration, by F. E. Wentworth-Sheilds, 23, 73
  • Reasons for Deterioration of Reinforced Concrete Structures above Mean Tide Level, by L. H. Savile, 23, 73
  • Conservancy and Maintenance of Rivers from the Point of View of Land Drainage, by C. H. J. Clayton, 120, 130
  • Effect of Sluices and Barrages on the Discharge of Tidal Rivers, by R. F. Grantham, 121, 130
  • Engineering Conference-continued.
  • Utility of Models for Estuarial Experi¬ments, by G. E. W. Cruttwell, 121, 130
  • Relative Advantages of Dredging and Training Walls in Estuaries, by H. C. Reid, 121, 131
  • Use of Inertia Gauges in Pile Driving, by E. Latham, 123, 131*. See 684*, 756, 851
  • Bearing Power of Soils, by A. L. Bell, 123, 132
  • Section III-Machinery.
  • Reports of Discussions, 23, 42, 50, 123 Exhaust Steam : Its Employment for Power, Heating, &c., by E. R. Dolby, 24, 42, 74. See Errata, 153 Comparison between Reciprocating Pump¬ing Engines and Turbo-Driven Centrifugal Pumps, by H. Lupton,

23, * 42, 74. See LETTER, 279. See also 430, 644*

  • Influence of Automatic and Semi-Auto¬matic Machines on Operators, by A. H. Hall, 60, 80
  • Mechanical Appliances and Labour in Loading and Unloading Ships' Car¬goes, by A. Musker, 52, 81
  • Internal Combustion Engines with Large Cylinders, by Sir J. McKechnie, 123, 132*
  • Sections III and VII-Machinery ; and Electricity Works and Power Trans¬mission.
  • Reports of Discussions, 138
  • Mechanical Advantages of Electric Loco¬motives Compared with Steam, by Sir V. L. Raven, 138, 164. See
  • 793, 859

  • Section I V-Mining and Metallurgical Pro-cesses.
  • Reports of Discussions, 24, 43, 54, 111, 139 Employment of Water Power in the Mineral Industry, by J. W. Evans,

24, * 44, 76

  • Recent Developments in Coal Cleaning
  • Processes, by It. Nelson, 24, 45, 76 Frangois Cementation Process, by H. S.
  • Ball, 24, 45, 77
  • The Elastic Limit, by Prof. W. E. Dalby, 55, 81*
  • Effects of Scratches in Materials, by Prof. E. G. Coker, 56, 81
  • Damage to Tyres and Rails by Brakes or Slipping Wheels, by C. P. Sandberg, 54, 82*
  • Existing Practice of Inspecting Work and Materials, by G. Hatton, 84, 111. See LETTERS, 149, 248
  • Effect of the War on Mineral Supplies, by T. Crook, 139, 165
  • Utilisation of Exhaust Steam in Turbines, by M. Deacon, 141, 165*
  • Steam versus Electric Winding, by W. C. Mountain, 141, 166
  • Relative Values of Protective Metallic Coatings for Iron and Steel, by S. 0. Cowper-Coles, 142, 167
  • Section V-Shipbuilding.
  • Reports of Discussions, 111, 142
  • Development of the Coasting Trade, by W. L. Roxburgh, 32, 111. See 109
  • Design of Fabricated Ships from the Labour-Saving Point of View, by M. E. Denny, 84, 112
  • Economy of Labour on Shipbuilding as Effected by Fabricated Ships, by J. C. Telford, 84, 112
  • Ships' Propellers : Note on Cavitation as Affecting Propulsive Efficiency, by E. R. Mumford, 85*, 114
  • Experience with Marine Turbine Reduc¬tion Gears, by R. J. Walker and S. S. Cook, 142, 167
  • Recent Progress in Large Diesel Engines for the Mercantile Marine, by J. Richardson, 143, 168
  • Section VI-Waterworks, Sewerage and Gas Works.
  • Reports of Discussions, 24, 45, 114, 144 Utilisation of Waste Heat in Gasworks,
  • by G. E. Stewart, 24, 45, 77 Desiderata in the Qualities of Town's
  • Gas, by Dr. J. S. G. Thomas, 24,
  • 46, 78
  • Straw Filters for Sewage Purification, by E. H. Richards and M. G. Weekes,

86, * 114. See Erratum, 153 Activated Sludge, by J. Haworth, 86, 115 De-Watering Sludge, by J. D. Watson, 87, * 115

  • Pipes for Pressure Conduits,, by F. W. Macaulay, 145, 168
  • Relation of Run-off to Rainfall, by Dr. H. Lapworth, 146, 169. See Errata, 195
  • Compensation Water, by E. Sandeman, 144, 169
  • Section VII-Electricity Works and Power Transmission.
  • Reports of Discussions, 47, 117, 147
  • Low Power Factor, by R. 0. Kapp, 47, 79 Low Voltage Overhead Distribution, by B. Welbourn, 87, 117
  • Economic Limits of Distribution from Coal-Fired Stations, by W. B. Wood¬house, 117, 128*
  • Battery Locomotives, by J. Dalziel, 147, 170
  • Engineering Contracts. See Contracts ; Legal
    • Education. See Education ; .Apprenticeship - Firms, British, Representation Abroad, 317
    • Goods, National Hall Mark, 825
    • Industry, Production of Small Machinery,
  • 413
  • Instruments, Treatise on (Review), 227
    • Laboratories. See Laboratories ; National Physical
  • - and Machinery Exhibition, Olympia, 374*, 414*, 435*, 470*. See 417, 481, 543
  • Engineering Manufacturers and Overseas Trade, 540
    • Marine, Research and Progress iu, 574
    • Production, Increasing, Employers' 156
    • Schemes in Parliament, 766
    • Societies. See In8titutioit8.
    • Standards Association, Standardisation in Motor-Car Industry, 15 ; Standardisation of Fire Hose Couplings, 187 ; Standardisa¬tion of Ball and Roller Bearings, 187 ; Annual Report, 236 ; Specification for Tramway Tyres, 315; Specification for Tramway Axles, 475 ; Specification for Creosote, 516 ; Specifications for Switches and Circuit Breakers, 610 ; Specifications for Condenser Tubes and Glands, 640 ; Pro-perties of Beams and Channels, 712 ; National Hall Mark, 825
    • Steels, Properties of (Review), 386
    • Students, Certificates and Diplomas of Institution of Mechanical Engineers, 12
    • Trade, Bankruptcy Statistics, 797
    • Water Power, Treatise on (Review), 736
    • Work, Need for Inspection, 543 — Variations in Contract Terms, 62
    • Works. See Works
  • Equilibrium Diagrams, Alloys. See Metallurgy Erie Railroad, Locomotive for, 745*
  • Escher, W ss & Co., Turbine Locomotive, 292* Estuaries, Dredging and Training Walls, Com-par n.s, 121, 131
    • Tidal Flow and Silting, Investigations by
  • M els, 121, 130
  • Etchin Agent for Special Steels, 570
    • El ctrolytic, Metals, for Micro-Examination. 84. See 490
    • trained Steel, Figures Produced, 809* Ether, Motion of. See Relativity
  • European War, Claims for Compensation, 108 — Effect on Austrian Trade, 256
    • Effect on Merchant Shipping, 157
  • — — Effect on Mineral Supplies, 139, 165
  • — Employment of Blind in Workshops, 715*

— * — French Iron and Steel Industry, Damage

  • and Reconstruction, 383. See 418, 636 — — German Reparations and British Elec
  • trical Industry, 829
  • — — History of Naval Operations (Review), 767
  • — — Merchant Shipping, Protection against Submarines, 787*

— * Mining Work in, 766

    • Patent Acceptances, Effect of Delay, 156
    • Reconstruction in France, Economic
  • Features, 636 See :383, 418
    • and Transport in Roumania, 351
    • Use of Poison Gases, 382
    • Work of British Railways (Review), 845
    • 7 — Ypres to Verdun, Photographs (Review), 98
  • — See also PARAGRAPH INDEX
  • Eutectic Alloys. See Alloys under Metallurgy Evans, E. V., on Chemistry of Combustion, 65 Evans, J. W., on Water Power, 24, 44, 76 Evaporation from Water Surfaces, 258 Excavating Machine, Dock Construction, Port
  • of London, 4*
  • — — Grab Type, for Ditch Clearing, 722* — — for Land Drainage, 795
  • Excavation, Rock, Vaal River Barrage, 326
    • Work, Winnipeg Aqueduct, 622
  • Exhaust, Motor Car, in Tunnels, Investiga
  • tions, 872
    • Steam Feed Heater, Locomotive, Weir's,
  • 150*
    • Turbine. See Turbine, Steam
    • Utilisation for Power and Heating, 24,
  • 42, 74, 141, 165*. See Errata, 153
  • Exhausters, Air, Turbine and Reciprocating,
  • for Grain Elevators, 313*, 859*, 865
  • Exhibition, Aeronautical, Paris, 795, 862
  • — Agricultural Show, Derby, 7*, 36*
  • — — Smithfield Show, 795
  • — Boiler House Accessories, 56*
    • Brewers', Agricultural Hall, 638
    • British Empire, Proposed, 381 ; Research Fellowships, 734
    • Commercial Motor, Olympia, 575
    • Floating, of British Goods, 446. See 377, 723, 819

—**Motor Car, Olympia, 670 — — Cycle, Olympia, 764

    • Public Works, Roads and Transport, 734*. See 752, 769*, 769, 853*. Congress, 737
    • Shipping, Engineering and Machinery, Olympia, 374*, 414*, 435*, 470*. See 417, 481, 543
    • See also PARAGRAPH INDEX
  • Expansion of Concrete, Measurement, 159
    • Thermal, Reversible, of Silica, 576* Experimental Tank. See Tank ; Ship Models Ship Resistance

—** Wireless Stations (Review), 160

  • Explorers, Scientific and General Hints
  • (Review), 815
  • Explosion, Boiler. See Boiler Erplosion
    • Brewing Copper, 343

— Fertiliser Filter, 742

    • German Nitrogen Fixation Plant, 443

—**Laundry Calender, 583

    • Steam Chest on Trawler, 711
  • — Pipes, Water Hammer Action, 102, 839
    • Stop Valve of Steam Hammer, 537. See Erratum, 570
    • Vulcanising Pan, 236
    • Yarn Drying Cylinder, 217
  • Explosives, Accidents in Manufacture and Use,
  • 109
    • Factory, Holton Heath, Coal and Ash
  • Handling Plant, 706*
  • — in 1920, Report, 109.
    • Testing Hardness of Bearing Metals by, 394
    • See also Guns and Ea plosives in PARAGRAPH INDEX
  • Exponential Analysis, Balancing of Reciproca¬ting Masses, 778*
  • Export Trade. See Trade ; and Industries in PARAGRAPH INDEX
  • Extractor, Stud, The Drysdale, 312* Extrusion of Aluminium Alloys, 615. See 626
    • of Brass, 483, 487*, 609
  • F.
  • F.O.D. Lifting Jack. for Motor Cars, 027* Fabric, Airship, Measuring Permeability, 57* Fabricated Ships. See Ships
  • Factories, First Aid in, 224
    • Textile, Ventilation and Humidification, 202*
    • Welfare Work in. See Labour

Factory Accidents. See Accidents

    • Management. See Works Management Fan, Colliery Ventilation, " Rcgainer " for, 659
    • Flywheel, for Air Cooled Oil Engine, 538*. See 37
    • Sirocco, Blowing Cupolas, 834*
  • Standardisation of Capacities, 567, 612
  • Faraday Society : High Temperature Pheno-mena of Tungsten Filaments, by C. J. Smithells, 102 ; Discussion on Radiation Theory of Chemical Action, 512. See 411 ; J. N. Greenwood, on Properties of Cad-mium, 766 ; Prof. A. 0. Rankine on Structure of Gaseous Molecules, 827
  • Farming. See Agriculture ; Tractors
  • Fastnut, Ltd., Self-Ratcheting Spanner, 473* Fatigue Tests of Metals. See Alternating Stress under Tests (Materials)
  • Federation of American Engineering Societies, 6:3
  • Feed Heater, Exhaust Steam, Locomotive, Weir's, 150*

- * — Intermediate Type, Turbo-Generator, 874* — * Heating and Economisers, Boiler Plants, 94 — — Locomotives, Economy of, 89 — * Pumps. See Pumps

  • — Water Regulators, Automatic, 277*, 785* Fen Drainage, Effect of Sluices and Barrages, 121, 130
  • Tereday, H. j., on Impact Tests and Allowances, 50, 80, 118. See 189
  • Ferro-Concrete Caissons, Construction of Wharves and Breakwaters, 23, 40, 73. See Erratum, 152

— * — Construction in Tropics, 50

  • — Crane Jetties, Royal Albert Dock, 6*
  • — — Floors, Testing Machine for, 11
  • — Marine Structures, Deterioration and
  • Protection, 23, 40, 73
  • — Construction, North London Circular
  • Road, 191
  • — — Pipe Construction, Winnipeg Aqueduct,
  • 624*
  • — — Roads and Underground Mains, 738
  • — Sheds, Royal Albert Dock Extension, 7*
  • — Signal Posts and Fences, 36
  • — Slabs, Strength Calculations, 209*, 245*.
  • See Errata, 246, 283
  • — Tower, Wireless Station, Vibrations of,
  • 196*
  • — Use on Railways, 36, 49, 79

— * Water Mains, 145, 168

  • — Work, Permeability of Concrete, 40, 73.
  • See 23
  • — Work, Vaal River Barrage, 326
  • — — See also PARAGRAPH INDEX
  • Fertilisers, Chemical, Production Statistics, 345

— * Filter, Explosion of Cover, 742

  • Fettling Shops, Steel Castings, E. Allen & Co.'s
  • Works, 336*
  • Fieldner, A. C., Investigations of Motor Car
  • Exhaust in Tunnels, 872
  • Files, Manufacture, E. Allen & Co., 306*
  • Films, Metallic, Properties of, 878
  • Filters, Air, for Air-Compressor Plant, 535*
  • — Fertiliser, Explosion of Cover, 742
  • Straw Sewage Purification, 86, 114. See
  • Erratum, 153
  • Finance in United States, (Review), 514
  • Fire Alarm, Smoke Detecting, 221
  • Fires, Colliery, Spontaneous Combustion, 380

— * Hose Couplings, Standardisation, 187

  • — in Ships' Bunkers, Report on, 892 , Firebricks, Effect of Coal Gas, 560

— * Silica, Thermal Expansion, 576* — * See also Refractory Materials

  • Fireclay and Silica Mixtures, Softening of, 560
  • Stourbridge, Compositions, 601
  • Firth, T.,
  • & Sons, Stainless Steel„ 592* Fittings, Electrical, Supply by Local Authori-ties, 734
  • FitzGibbon, G., on Reinforced Concrete for Wharves and Breakwaters, 23, 40, 73. See Erratum, 152
  • Flanders, Photographs of War Areas (Review), 798
  • Flanging Machine. See Machine Tools
  • Flax Pulling Machine, Marshall's, 795
  • Flexala Centrifugal Pump, 643*
  • flexible Shaft Coupling, Steel-Link Type 375* Flight. See Aeronautics
  • Floating Crane. See Crane
  • Dock. See Dock
  • — Frame, Turbine Reduction Gears, Advant
  • ages, 179. See 143. See LETTERS, 311, 659 Floors, Ferro-Concrete, Testing Machine for, 11 Flotation, Froth System of Coal Washing, 24,
  • 45, 76
  • Flour Bleaching, Alsop Electrical Process, 36 Flow of Solids, Sir G. Beilby's Work (Review), 878
  • Fluid Flow in Pipes, Boundary Conditions, 10*

— * Pressure, Stresses in Ships' Plating, 368*,

  • 405. See LETTERS, 410*, 486, 540*, 567,
  • 612, 640, 693
  • Fluorescence, Time Interval in, 433*
  • Flying "oats. See Seaplanes under Aeronautics
  • --= Machines. See Aeronautics
  • Flywheel Fan for Air-Cooled Oil Engine, 538*.
  • See 37
  • Folkestone, Royal Sanitary Institute Congress,
  • 12.
  • Forging Aluminium Alloys, 613. See 596,626

— * Comparisons of Hammers and Presses, 700. See LETTERS, 728, 756, 786, 851 — * Drop. See Drop Forging — * Hot Drawing on Mandril, 678*. See LETTER, 693 — * Hydraulic, Treatise on (Review), 450 — * Press. See Press under Machine Tools — * Processes, Crankshaft Manufacture, 778*, 811*

  • Forginus, Heavy, Manipulating Machine for, 151*
  • Formaldehyde, Synthetic Production, 529 Formosa, Water Power Development, 159 Forrest Lecture on Fuel Problems, by Sir G. T.
  • Beilby, 26
  • Forster, Dr. M. 0., on the Laboratory of the Living Organism, 529
  • Forth Bridge, Comparison with Quebec Bridge, 531

— * and Clyde Canal, 407, 462

  • Foundations, Bearing Power of Soils, 123,
  • 132

— * Pier, Vertical Lift Bridges, 201, 264* — * Pile, Gauging Penetration, 123, 131*, 684*. See LETTERS, 756, 851

  • — Work, Use of Cement Grouting, 24, 45, 77 — Winnipeg Aqueduct, 621, 622*
  • Foundry Costs and Establishment Charges, 894*
  • Iron and Steel, Horwich Works, Control, 832*

— * Practice, Casting Aluminium Alloys, 613. Seo 624. — * — Casting of Brass Ingots, 452*. See 449 — — Grey Iron Castings, 892. — * Steel, E. Allen ct Co.'s Works, 306*, 335* — * See also Castings ; Moulding

  • Fowler, G., the Late, 800
  • Fowler, J., & Co., Ltd., Convertible Road
  • Roller and Traction Engine, 36
  • Fowler, Sir H., on Superheating, 89
  • Fox, Sir C. D., the Late, 703*. See 720
  • Frame Aerial, Shielded, Reception of Electric
  • Waves, 434
  • France, Photographs of War Areas (Review),
  • 798

— * War Devastation and Reconstruction, Economic Effects, 636. See 383, 418 — * See also French

  • Francis Turbines. See Turbines, Hydraulic Francois Cement Grouting Process, 24, 45, 77 Fr6mont, C., Presentation of Bessemer Medal, 383
  • French Aircraft, Paris Aeronautical Exhibi-tion, 795, 862

— * Atlantic Liner " Paris," 96*, 181*, 246* — * Iron Ore Deposits, 383. See 418 — * Iron and Steel Industry, War Damage and Reconstruction, 383.- See 418, 636 — * Naval Policies, 318

  • Trials, Agricultural Tractors, 676

— * See also France

  • Frequency Measurements, Vibrations, Appa
  • ratus for, 469*
  • Friction Clutch. See Clutch

— * Tests, High Speed Bearings, 11

  • Frictional Resistance of Ships. See Ship
  • Resistance
  • Fritz Medal, Presentation to Sir R. Hadfield,
  • 19. See 63
  • Froth Flotation Process, Coal Washing, 24, 45,
  • 76
  • Froude Experimental Tank, N.P.L., Work of,
  • 98
  • Fry, Dr. lug. A., on Strain Figures in Etched
  • Steel, 809*
  • Fullagar Engines, M.S. " Malia," 503
  • Fuel, Brown Coal, Production and Use, 15, 26

— * Chemistry of Combustion, 65 — * Coke Breeze and Bituminous Coal, Boiler Firing, 186

  • — — for Motor Vehicles, Advantages, 579. See 275*, 575, 630*

— * Colloidal. See Colloidal Fuel — * Consumption, Boiler Plants, Possible

  • Reduction, 29
  • — — Marine Diesel Engines, 143, 168

— * Domestic Heating, Comparisons of Gas, Electric and Solid, 68 — * Economy and Locomotive Boiler Design,

  • 743 I • .

- - Report on, 531 — * — Scientific Control of Boiler Houses, 67,

  • 92. See LETTER, 149
  • — — Utilisation of Blast Furnace Gas, 66

— * Gas Producer, Laboratory Tests and Work

  • ing Results, 668
  • — for Heavy Oil Engines, 91

— * Lignite Briquetting in Canada, 615 — * Liquid, Colloidal and Pulverised, Relative

  • Advantages, 90. See Erratum, 149
  • — — See also Oil Fuel

— * Low Temperature Carbonisation of Coal, 29, 68, 175*, 596*. See Erratum, 110 — * Motor. See Alcohol ; Benzol; Gas ; Motor ; Paraffin ; Petrol ; Producer — * Oil. See Oil Fuel — * Peat, Production and Use. 15, 27, 28 — * Problems of the Future, 20

  • Recovery from Boiler Furnace Refuse, 797

— * Research Board, Peat Carbonisation, 545 — Station, East Greenwich, 564 — * Resources, German, 15, 26 — * Smokeless, Carbocoal, Manufacture of 175*. See 68 — * Supplies, Effect of War, 139, 165 — * See also Coal ; Oil ; Gas ; Peat ; Pulverised, Coal

  • Furnace, Bar-Heating, Colloidal Fuel Tests, 124*

— * Blast, Gas-Cleaning Plant and Shimizu-Wilson Apparatus, 58 - * Sulphur Recovery from Slag, 221 — * — Utilisation of Gas, 66 — * Boiler, Air Heaters for, 57*, 92. See 65 — — Steam Consumption of Steam Jets, 92 — — See also Stoker — * Combustion of Oil Fuel in, 536 — * Crucible, Steel Melting, E. Allen & Co.'s Works, 804* — * Electric, Heroult, E. Allen & Co.'s Works,

  • 336*
  • — — Production of Silicon-Manganese in, 252

— * — Slag Cement Manufacture in, 103 — * Gas, Use in Shipyards, 479 — * Steel, Siemens, Horwich Works, 835 — * Tunnel Oven, Marlow Gas-Fired, 536 Oil Fired, 537 — * See also Coke Ovens ; Cupolas

  • Furness Shipbuilding Co., Oil and Paint Storage
  • Plant, 632*
  • Fusion Welding. See Welding
  • G.
  • GALVANISING Systems, Comparisons, 142, 187
  • Gannow Pulveriser, House Refuse, 735. See 890 Gantry, Steel, Grain-Handling Plant, 312* Gardner, It., on Vibration of Propeller Shafts,
  • 363*. See LETTER, 661
  • Gardner Crankpin Turning Machine, 812* Garforth, Sir W. E., the Late, 516
  • Gas, Blast Furnace, Utilisation of, 66

— * Calorimeters, Recording, Report, 546. See 571 — * Carbon Monoxide, Poisoning by, 259. See 319 — * Cleaning Plant, Blast Furnace, and Shimizu-Wilson Apparatus, 58 — * Coal, Effect on Refractories, 560 — * Coke Oven. See Coke Oven — * Cylinders, Tests of, 12 - * Engine. See Engine, Gas — * Engineers, Institution of : Annual Meeting, 646, 560. See 477 ; Presidential Address, by T. Goulden, 646 ; Report on Recording Gas Calorimeters, 546. See 571 ; Report on Blue Water Gas, 547 ; Report on Refractory Materials, 560 ; Steaming in Vertical Retorts, by Sir G. Beilby, 363, 560 ; Carbonisation in Horizontal Retorts, by G. M. Gill, 561 ; Report on Liberation of Nitrogen from Coal and Coke as Ammonia, 562 ; Tar Distillation and Sulphate of Ammonia Manufacture, 562 ; Report. of International Commission on Illumination, 562 ; Report on Life of Gas Meters, 342, 563 ; External Corrosion of Mains and Services, by J. G. Taplay, 563 ; Visits, Excursions and Social Events, 564. — * Exhaust, Motor Car, in Tunnels, Investiga¬tions, 872 — * Fired Furnaces. See Furnaces — * Industry, Co-partnership in, 546 — — Development of, 546 — * Manufacture, Carbonisation in Horizontal Retorts, 561 — * — Removal of Cyanogen, 563

  • — — Steaming in Vertical Retorts, 363, 560

— * — Sulphate of Ammonia Plant, 562 — * — Tar Distilling Plant, 562

  • — — Water Gas in, Report, 547. See 546

— * Meters, Life of, Report, 342, 563 — * Permeability, Airship Fabric, Measuring, 57* — * Pipes, External Corrosion, 583 — * Producer. See Producer — * Sale by Calorific Standard, 29, 546 — * Sewage, Power rroduction from, 466*. See

  • 431
  • — for Street Lighting, 737

— * Supply, Schemes in Parliament, 767 — * Town, Carbon Monoxide in, 318. See 259

  • — Desiderata in Qualities, 24, 46, 78
  • — — Incombustible Constitutents, 351
  • — — Use in Shipyards, 479

— * Turbine. See Turbine — * Water, Domestic and Industrial Uses, 318. _See 250

  • in Gas Manufacture, Report, 547. See 546
  • — Manufacture, Utilisation of Waste Heat,
  • 24, 45, 78
  • — Welding. See Welding
  • — Works, East Greenwich, Visit to, 564
  • — — Leamington, Sulphate of Ammonia
  • Plant, 136*
  • — — Utilisation of Waste Heat, 24, 45, 77
  • — and Gas Works. See also PARAGRAPH
  • INDEX
  • Gases, Adsorption by Charcoal, &c., 469
  • — Electric Discharge in. See Electric ; Vacuum
  • Tubes
  • Nomographic Chart for, Internal-Combus
  • tion Engines, 302*
  • — Poison, in Warfare, 382
  • — See also Acetylene ; Carbon Dioxide ; Car
  • bon Monoxide ; Hydrogen. ; Nitrogen ;
  • Oxygen, &c.
  • Gaseous Explosions, Production of Nitric Acid
  • by, 230
  • — Molecules, Structure of, 827
  • Gasification of Peat in Vertical Retorts, 545
  • Gasoline. Sec Petrol ; Engine, Petrol ; Aero
  • nautics
  • Gates, Lock, Royal Albert Dock Extension, 5*
  • Gauge, Dial, Measuring Gear Teeth, 103*, 803*
  • — Flatness of End Faces, 159
  • Inertia, Penetration of Piles, 123, 131*,
  • 684*, See LETTERS, 756, 851
  • — Measuring, Work of N. P. L., 168
  • — Petrol, for Motor Cars, Pallas, 693*
  • — Problem, Indian Railways, 696
  • — Screw, Measuring Internal Diameters, 159,
  • 558*
  • Gauging Machine for Steel Balls, 60*
  • Gayler, Miss M. L. V.,
  • on Aluminium Alloys,
  • 519*. See 484, 509
  • Gear Boxes, Motor Car. See Motor Car Details
  • — Cutting Machines. See Machine Tools
  • — Teeth, Grinding, Motor Car Gear-Boxes,
  • 871*. See 897
  • — Testing Machine, Saurer, 801*
  • — Tooth Comparator, Sykes, 103*. See 803*
  • — Worm for Telescope Drive, Method of Cut
  • ting, 244*
  • Geared Turbines, Marine. See Marine Propul
  • sion
  • — Turbo-Generator, Ship Lighting, 474*
  • Gearing, Lubrication of, 802
  • Maag, Production and Applications, 801*
  • — Spur, Testing Machine for, 11*
  • Genders, R., on Casting Brass Ingots, 452*
  • See 449 ; on the Extrusion Defect, 487*.
  • See 483
  • General Electric Co., Ltd., Osglim Lamp,
  • 450*
  • Generating Station. See Power Station
  • — Machine, Gear. See Gear undor Machine
  • Tools
  • Generators, Electric, 32,500 KVA., Niagara
  • Power Plant, 403*
  • — — Design of Large Units, 399*. See
  • Erratum, 538. See also 486, 640
  • — Induction, for Small Water Power Plants,410
  • Generators, Electric, and Oil Engine, Parsons Motor Co., Ltd., 374*
    • Steam Driven, for Ship Lighting, 416*
    • See also Turbo-Generators

Geology, Age of the Earth, 498 — * of the Egyptian Oil Field, 608

    • Hints to Travellers (Review), 815
    • Refractory Materials of London Basin, 536. Geophysical Observatory, Lerwick, 500 George V. Dock. See Royal Albert
  • German Armour Plates, British Trials, 419, 610*. See Erratum, 633
    • Industries, Remuneration of Capital and Labour, 676
    • Investigations, Planing Machines, 886 Nitrogen Fixation Plant, Explosion, 443
    • Reparations and the British Electrical' Industry, 829
    • Submarines, Protection of Merchant Ships against, 787*
  • -- Trade. See Trade and PARAGRAPH INDEX Germany, Cost of Labour in, 517
    • Employment of Blind in Workshops, 715*
    • Fuel and Water Power Resources, 15, 26

- * GOttingen Aerodynamic Experimental Station, 218*

  • — and the International Patent Convention,607 Gibbs, A.W., on Electric Locomotive Drives,793 Gibson, Prof. A. H., on Water Power, 420. See
  • 406 ; Tests of Hydraulic Turbine, 504* Gilkes, G., & Co., Ltd., Tests of Hydraulic
  • Turbine, 504*
  • Girders, Plate, Stresses in Webs, 349

— * See also Beams ; Bridges ; Floors

  • Gisholt Machine Co., Automatic Turret Lathe, 463*
  • " Giulio Cesare," S.S., Propelling Machinery,662* Glands, Condenser Tube, Standard Specifica¬tions, 640

— * Labyrinth, Turbo-Generator, 874* Glasgow Air-Cooled Oil Engine, 538*. See 37 — * High School of Science, Younger Research

  • Prize, 17
  • Glass, Melting of, 776

— * Models for Stress Determination. See Optical Determination of Stress — * Technology, Society of ; Compositions of Pot Clays, by G. V. Evers, 601 ; Lime-Magnesia Glasses, by Miss V. Dimbleby, S. English, F. W. Hodkin and Prof. W. E. S. Turner, 601 ; Discussion on Glass Melting, 776 ; Method of Investigating the Viscosity of Glass, by I. Masson, N. F. Gilbert and H. Buckley, 854 ; Notes on Pipettes, by V. Stott, 854 ; On the Annealing of Glassware and on Annealing without Pyrometers, by F. Twyman, 854

  • — Viscosity of, Method of Investigating, 854
  • Glasses, Lime-Magnesia, Properties and Appli
  • _ cations, 601
  • Glassware, Annealing, Twyman Method, 854 Glow Lamps. See Lamps under Electric Gold Films, Properties of, 878

— * Metallurgy of (Review), 485 — * Mine, New Modderfontein, Air Compressor for, 535*. See LETTERS 661

  • Golf Balla, Testing Machine for, 438*
  • Goodby, Sir K., on Industrial Diseases, 159 Goods Wagons, Railway, Container Car System, 820*
  • Gordon, W., on Width of Test Pieces, 389*, 406 Gottingen Aerodynamic Experimental Station, 218*
  • Goulden, T., on the Gas Industry, 546 Governing Mechanism, 12,500 kw. Turbo-Generator, 876*
  • — Geared Turbo-Generator, 474*
  • — Hydraulic Turbines, Herlandsfossen Power Plant, 534*

- * Nordberg Winding Engine, 764*

  • Grab and Portable Crane, Ditch Clearing, 722*
  • Grading Machine for Steel Balls, 60*
  • Graham Manufacturing Co., Grinding Machine,
  • 506*
  • Grain Elevators, Port of London, 864*. See 859*

— * Handling Plant, Bordeaux-Bassens, 312*, 370* — * Ships, Protection against Submarines, 787* Grantham, R. F., on the Effect of Sluices and Barrages, 121, 130

  • Graphical Representation, Heat Treatment o Steel, 551*. See 384

— * Method, Helical Spring Design, 173* — * Solution, Thermodynamic Problems, In-ternal-Combustion Engines, 302* Graphite Lubricant, Aquadag, Sight-Feed Lubricator, 57* — * World's Output, Effect of War, 140, 165

  • Grate. See Fuirnace ; Stoker
  • Graving Dock. See Dock
  • Gravity Bucket Conveyors. See Conveyors

— * Effect on Light. See Relativity

  • Great Northern Railway, Dining Car Train, 570 Greaves, It. H., on Nickel-Aluminium-Copper Alloys, 453*. See 448
  • Greenwood, J. N., on Cadmium, 766
  • Grierson, W. W. on Reinforced Concrete on Railways, 49, 79
  • Grinding Machines. See Machine Tools

— * Mills, Pan, Electrically Heated, 852* Grossman, M. A., on Brittleness of Steel, 226 Ground Water, Factors Affecting Flow,

  • 256*
  • Grouting, Cement, Francois Process, 24, 45, 77

— * — for Tunnel Repairs, 21, 30, 49

  • Guillain, A., on the Briey Iron Mines, 383
  • Guillet, M., on the Metallurgical Industries
  • of France, 383
  • Gun, Cement, for Tunnel Repairs, 21, 30, 49

— * Machine, Legal Point in Patent, 809 — * Metal, Effect of Lead on, 580*. Sec 448 — * Power of Warships. See Warships — * for Stud Driving, the Temple, 475 — * See also Explosives Projectiles ; Warships ;

  • and PARAGRAPH INDEX
  • Gunboats. See Warships
  • " Gunga," Suction Dredger for Calcutta, 151
  • Gunpowder. See Explosives
  • Guthrie & Co., Electric Heaters for Chemicals,
  • 852*
  • Gwynnes, Ltd., Centrifugal Pump, Geared
  • Turbine Drive, 644* • Centrifugal Pumps
  • for Floating Docks, 7421*
  • Gyratory Crusher, E. Allen Sz Co., 336*
  • H.
  • HACKNEY Borough Council, Electric Supply and Trade Union Action, 705
  • Hadfield, Sir R., Presentation of Fritz Medal to, 19. See 63 ; Address to Sheffield Asso-ciation of Metallurgists and Metallurgical Chemists, 607
  • Hague Rules, Bills of Lading, 413
  • Hair Hygrometers, Investigations of, 891
  • Hall, A. H., on the Influence of Automatic Machines on Operators, 50, 80
  • Hall Mark, National, for Engineering Goods, 825
  • Hamilton, W., & Co., M.S. " Malta," 503 Hammers. See Machine Toots
  • Hammondsport Trials, 'Langley's Aeroplane, 609, 828
  • Handbook of Metallurgy ; Copper, Lead, Silver and Gold (Review), 485
  • Hanson, Dr. D., on Aluminium Alloys, 519*,
  • 594, 613, 624, 644. See 484, 509 Haranomachi Wireless Station, Vibrations of
  • Tower, 196*
  • Harbour Dues and Tonnage Measurement, 704

— * Equipment, Loading and Unloading of Ships, 21, 31, 38, 52, 81. See 859, 864*, 866*

    • Improvements, Schemes in Parliament, 767
    • Shanghai, Possibilities of Improving, 797
    • Sydney, Proposed Bridge, 880*
    • Works, Ferro-Concrete, Deterioration and Protection, 23, 40, 73

— * See also PARAGRAPH TNDEX

  • Hardening Metals. See Heat Treatment under
  • Metallurgy
  • Hardness Tests. See Tests (Materials)
  • Harmonic Analysis, Beam Problems, 656*, 686*

— * — and Periodicity Measurements, Vibra-tions, 469*

  • Harriman Bridge, Vertical Lift, 264*
  • Hatton, G., on Inspecting Work and Materials, 84, 111. See LETTERS, 149, 248
  • Musser Process, Production of Nitric Acid, 230 Hawkins, J. C., on the Vaal River Barrage, 325* Hawksley Lecture on Power Transmission by Oil, 671
  • Haworth, J., on Activated Sludge, 86, 115 Hay Baling Press, Ruston & Hornsby, Ltd., 38* Health of Industrial Workers (Review), 877 Heat Emission, Thin Plates in Air Currents, 10

— * Engines. See Engines ; Turbines ; Aero-nautics — * Insulating Materials, Conductivity and Specific Heat, 192 — * Insulation of Steam Pipes, 69 ; Cold Stores, 606 — * Losses from Cement Kilns, 193 — * Power Plants, Thermal Efficiency, Means of Improving. See Mechanical Engineers — * Specific. See Specific Heat — * Transmission, Marine Diesel Engines, 123, 132 — * Treatment of Metals. See Metallurgy — * Waste, Utilisation in Works and Power Plants, 24, 45, 77, 89

  • Heaters, Air, for Boiler Furnaces, 57*, 92. See 65

— * Ammoniacal Liquor, Leamington Gas Works, 135* — * Electric, for Chemicals, 852* — * Feed Water. See Feed Heater — * Oil Fuel, Wallsend-Howden, 246* Heating Boiler, Explosion of, 775 — * Curves, Alloys. See Metallurgy — * Domestic, Comparison of Electric, Gas and Solid Fuel, 68 — * Exhaust Steam, 24, 42, 74. See Errata, 153 — and Ventilating Plant, London Sessions House, 518*

  • Heffernan, Sir J. H., the Late, 452. See LETTER, 486
  • Hele-Shaw, Dr. H. S., on Power Transmission by Oil, 671
  • — — Pump, Spring Buckling Press, 502* Helical Gears. See Gears

— * Springs, Chart for Designing, 173*

  • Hematite Prices. See Metal-Price Diagrams Herbert, A., Ltd., Railway Wheel Lathe, 280* ;
  • Drysdale Stud Extractor, 312* Herlandsfossen Hydro Electric Power Plant,
  • 497*, 531*
  • Heroult Electric Furnace, E. Allen & Co.'s Works, 336*
  • Hewitt, P. C., the Late, 355
  • H.M. SS. See under Warships
  • Hichens, W. L., on Wages Determination, 445 High Frequency. See Electric

— * Speed Steel. See Steel

  • *— Temperature Tests. See Tests (Materials)
  • Highfleld, J. S., on the Training of Mechanics,
  • 667
  • Highways. See Roadways
  • Hill, A. S., the Late, 876
  • Hinde, H. J., on Sheet Metal Stamping, 523*
  • History of the Great War, Naval Operations
  • (Review), 767
  • Hobbing Machines, Gear. See Gear under

Machine Tools

  • Hoisting Engines, Mine, Nordberg Manufactur¬ing Co., 565*, 628*, 694*, 752*

— * Machinery, Vertical Lift Bridges, 200*, 236*, 266*

  • Hoists. See also Cranes ; Transporters
  • Holton Heath Cordite Factory, Coal and Ash-Handling Plant, 706*
  • Homestake Mining Co., Winding Engine for,
  • 565*, 628*, 694*, 752*
  • Horne, Prof. A. K., on Properties of Scots Pine,
  • 387*, 405 •
  • Horner, J., on Recent Machine Tool Developments :
  • 33*, 364*, 652*, 780*
  • Boring, Drilling and Milling Machine, Horizontal, 3-in. Spindle (Cunliffe and Croom, Ltd.), 33*
  • Lathe, 20-in. Centres, Heavy Motor-Driven (F. Berry and Sons), 364*
  • — 200 mm. Centres, Screw-Cutting, Cone-Pulley Head (Swiss Machine Tool Works), 652*
  • Horner, J.—continued.
  • Lathe, 200 mm. Centres, Screw-Cutting, All-Geared Head (Swiss Machine Tool Works), 655*
  • Drilling Machines, Modern Tendencies in Design, 780
  • — Machines, High-Speed, Details of (F. Pollard and Co., Ltd.), 783*
  • — and Tapping Machine, 3 ft. 6 in. Radial (G. Swift and Sons, Ltd.), 783* Horsburgh, Dr. E. M., on Fracture of Wires in Ropes, 406, 707*
  • Horwich Locomotive Works, Foundry Control, 832*
  • Hose Couplings, Fire, Standardisation of, 187

— * Coupling, Pneumatic, 215*

  • Hospital, London, Boiler Explosion at, 148
  • Hot Bodies, Emission of Electrons from, 432

— * Drawing on Mandril, Investigations of,

  • 678*. See LETTER, 693
  • Hours of Labour. See Labour
  • House Building, Concrete Blocks for. See
  • Concrete

— * Refuse Disposal, London Area, 737, 889 — — Pulverising Plant for, 735, 890 Household Labour-Saving Appliances, Com

  • petition, 892
  • Howard, E. E., on Vertical Lift Bridges, 199*, 234*, 264*
  • Human Factor in Business (Review), 610 Hume, Dr. W. F., on Geology of Egyptian Oil Field, 608
  • Humidification, Air, in Textile Factories, 202* Humidifying Plant, Air, London Sessions House, 518*
  • Humidity, Measurement of. 890
  • Hutchinson, A., on Blast Furnace Gases, 66 Hyde Welding Process, 338*
  • Hydraucone Regainer, Hydraulic Turbines, 293* Hydraulic Crane. See Crane
    • Cylinders, Testing at E. Allen & Co.'s Works, 337*
    • Forging, Treatise on (Review), 450
    • Machine Tools. See Machine Tools
    • Operating Gear, Floating Dock Valves, 772*. See 720
    • Power Plant. See Power Plant
    • Press. See Press under Machine Tools
    • Pump. See Pump
    • Stowage in Mines, 480
    • Turbines. See Turbines
  • Hydraulics, Hydraucone Regainer for Tur
  • bines, 293*

— * Power Transmission by Oil, 671

    • Rainfall and Rim-off Ground, 146, 159, 258. See Errata, 195
    • See also Hydrodynamics ; Irrigation; Water Hydro-Aeroplane. See Seaplane under Aero¬nautics
  • Hydrodynamics, Fluid Flow in Pipes, Boun-dary Conditions, 10*

— * Pressures on Rudders, 651* — * See also Ship Resistance

  • Hydro-Electric Power Plant. See Power Plant
  • Hydrogen, Isotope of, 382. See 432
    • Manufacture, Claude Ammonia Process, 732
    • Permeability of Airship Fabric, 57*
    • Spectra in Long Vacuum Tubes, 434 Hydrography, Internal Movements in Sea, 499 Hydrohoist Water Lifter, 759*
  • Hydrology, Ground Water, Factors Affecting Flow, 256*
  • Hydrostatic Pressure, Stresses Produced in Ships' Plating, 368*, 405. See LETTERS,
  • 410*, 486, 540*, 567, 612, 640, 693.
  • Hygiene, Health of Industrial Workers (Re-view), 877
  • Hygrometry, Physical Society Discussion, 890 Hypodermic Needles, Pens for Recording, Instruments, 612
  • Hysteresis, Elastic, Tensile Tests, 55, 81*
  • 1.
  • ICE. See Refrigeration
  • Illumination, International Commission on, 562
    • National Gallery and Houses of Parliament, 213
    • See also Light ; Lighting ; and Lamps under Electric
  • Impact Tests and Allowances, Railway Bridges, 50, 80, 118, 189, 350, 881
    • See also Tests (Materials)
    • of Wheels on Roads, Solid and Pneumatic
  • Tyres, 119, 129*
  • Imperial Air Communications, 320
    • College, Whiffen Chemical Laboratory, 12
    • Manganese Steel. See Allen, E., & Co., Ltd. Imports, Machinery, Income Tax Appeal Case, 259
    • Trade. See Trade
  • Impulse Starter for Petrol Engines, 437*

— * Turbines. See Turbines

  • Incandescent Lamps. See Lamps under
  • Electric
  • Inching Starter, Electrically-Driven Printing
  • Machinery, 99*
  • Income Tax Appeal Case, Machinery Imports,
  • 259
  • Incrustation, Pipe, and Iron Bacteria, 457'11!
  • See 430
  • India, British Trade Statistics, 884
    • Dredger " Gunga " for Calcutta, 151
    • Locomotive Building in, 514
    • Gauge Problem, 696
    • Rainfall Distribution and Measurement, 257*
    • and Run-off Ground, 513
    • Rubber. See Rubber
  • Indian Railway Bridges, Reports on, 349 Indicator Diagrams, Air Compressors, 535*, 675*

— * — Diesel Engine, Ansaldo-San Giorgio, 722* — — Diesel Engines, Air and Mechanical Injection, 134*. See 123

  • — — Internal-Combustion Engine, Atkinson Cycle, 70*
  • — — Internal-Combustion Engine, Effect of Supercharging, 71*

— * — Internal-Combustion Engine, Junker's Compound, 71* — * — Nordberg Winding Engine, 754*

  • Indicator Engine, Optical and Piston Types, Comparisons, 94

- * Water Density in Boilers, 57 - * Water Level, for Floating Docks, 772*.

  • See 720
  • Induction Furnace. See Tv/mace, Electric

- * Motor. See Motor, Electric - * See Electric

  • Industrial Accidents. See Accidents

- * Agreements and Disputes. See Labour ; Industrial Notes - * Alcohol. See Alcohol ; Motor Fuels - * Boiler Plants, Possible Economies, 29 - Chemistry. See Chemistry

  • - Economics. See Labour
  • - Fun, aces. See Eli/maces
  • - Mahagement. See Works Management

- Noues, 13, 58, 104, 152, 182, 216, 262, 278, 314, 354, 371, 419, 440, 476, 505, 549, 566, 602, 640, 673, 692, 724, 755, 800, 818, 862, 893. See PARAGRAPH INDEX - Poisoning, Susceptibility and Immunity, 159 - * Prosperity and Cost of Coal, 26 - * Reconstruction. See Reconstruction - * Research. See Research - * Respirators for Dust and Fumes, 672 - * Situation and Attitude of Labour, 445 - * Unrest. See Labour - * Welfare. See Labour - * Workers, Health of (Review), 877 Industries, French, Reconstruction of, 636. See 383, 418 - * German, Remuneration of Capital and Labour, 676 - * See also Trade and PARAGRAPH INDEX Industry, Co-Partnership in. See Labour - * Dyestuff, Present Position, 530 - * Electrical, and German Reparations, 829 - Report on Research, 639 - * Engineering, Production of Small Machin-ery, 413 - * Iron and Steel, French, War Damage and Reconstruction, 383. See 418, 636 - * Labour Control of. See Labour - * Motor Car, Standardisation in, 15, 573. See 670 - * Organisation of Employers and Employed,

  • 683
  • Inertia Gauges, Penetration of Piles, 123, 131,
  • 684*. See LETTERS, 756, 851
  • Ingall, D. H., on Properties of Rolled Zinc,
  • 489*. See 484
  • Ingerslev, A., on the Strength of Slabs, 209*,
  • 245*. See Errata, 246, 283
  • Ingham, W., on the Vaal River Barrage, 325*
  • Inglis, Prof. C. E., on Stresses in Rectangular
  • Plates, 623*
  • Ingots, Brass, Casting of, 452*. See 449
  • Inks, Fading of, 259
  • Inland Navigation. See Navigation ; Canals ;
  • Rivers, etc.
  • Inspection, Engineering, Necessity for, 543

- * Suggested Central Bureau, 84, 111. See

  • LETTERS, 149, 248
  • Institute of Transport. See Transport

- * See Institutions

  • Institutions, Engineering, Value of Joint Meetings, 165

— * of Production Engineers. See Production — * of Rubber Industry, Inauguration, 575 — * Scientific, Functions of, 442 — * Technical, American, Federation of, 63 — * — Preparation of Papers, 614 — * — and Scientific. See Aeronautical Society, Royal ; Arts, Royal Society of ; Auto-mobile Engineers, Institution of ; British Association ; Ceramic Society ; Civil Engineers, Institution of ; Civil Engineers, American Society of ; Chemical Industry, Society of ; Chemical Society, American ; Electrical Engineers, Institution of ; Elec¬trical Engineers, American Institute of ; Engineers and Spipbuilders in Scotland, Institution of ; Faraday Society ; Gas, Engineers, Institution of ; Glass Tech¬nology, Society of ; Iron and Steel In¬stitute ; Junior Institution. of Engineers ; Manchester Association of Engineers ; Manchester Steam Users' Association ; Marine Engineers, Institute of ; Mech¬anical Engineers, Institution of ; Mech¬anical Engineers, American Society of ; Metallurgists and Metallurgical Chemists, Sheffield Association of ; Metals, Institute of ; Meteorological Society, Royal ; Mining Engineers, Institution of ; Mining and Metallurgy, Institution of ; Naval Archi¬tects, Institution of ; Naval Architects and Marine Engineers, Society of ; North East Coast Institution of Engineers and Shipbuilders ; Petroleum Technologists, Institution of ; Physical Society ; Produc-tion Engineers, Institution of ; Royal Society ; Rubber Industry, Institution of ;

  • Sanitary Institute, Royal ; Transport

Institute of ; Women's Engineering Society. Instruments, Engineering, Treatise on (Re¬view), 227

  • Recording, Hypodermic Needles for Pens, 610

— * See also Aeronautics ; Electric

  • Insulation. See Heat ; Electric
  • Insurance, Workmen's. See Labour
  • Intercooler, Belliss cC Morcom Air Compressor, 535*
  • Interference Method, Testing Accuracy of Gauge Faces, 159
  • Interferometer Tubes, Quartz, Construction of, 468*
  • Internal-Combustion Engines. See Aero¬nautics ; Engines ; Motor Cars ; Tractors ; Turbines, Gas

— * Grinder. See Grinder under Machine Tools International Commission on Illumination, 562 — * Conference, High-Tension Power Trans-mission, 673 — * Construction Co., Ltd., Bench Vice, 567 — * Patent Convention, 607 — * Rules, Bills of Lading, 414 — * Trade, See Trade

  • Inventions. See Patents
  • Ionised Atmosphere, Behaviour of Pith Balls
  • in, 434
  • Iron, Acid Resisting, Thermisilid, 478

— * Alloys. See Metallurgy and Steel — * Bacteria and Pipe Incrustation, 457*. See 430 — * Carbon Diffusion into, 279 — * Case-Hardening. See Heat Treatment under Metallurgy — * Chromium, Properties of, 771*, 805* — * Corrosion. See Corrosion — * Electrolytic, Effect of Heat Treatment, 88 — * Foundry. See Foundry — * Furnaces. See Furnaces — * Heat Treatment. See Metallurgy — * Manufacture. See Furnaces, Blast ; Metal¬lurgy — * Metallic Protective Coatings, Tests, 640 — * Mines, Briey, War Damage and Recon

  • struction, 383
  • -- Ore. See Ore

— * Pig, Prices. See Metal Price-Diagrams

  • -- Rolling Mills. See Rolling Mills
  • -- and Silicon, Heat Evolution in Combina
  • tion, 478

— * and Steel Industry and Cost of Coal, 26 -- and Steel Industry, Trench, War Damage and Reconstruction, 383. See 418, 636

  • Iron and Steel Institute :
  • Prevention of Hardening Cracks in Tool Steel, by S. N. Brayshaw. Corre¬spondence, 517. See LETTER, 567
  • Autumn Meeting, Paris
  • Programme, 253
  • Opening Proceedings, 382
  • Reports of Discussions, 383
  • Presentation of Bessemer Medal to Mr. C. Fremont, 383
  • The LateProf. D. Tschernoff, 384
  • Visits and Excursions, 418
  • Iron Ore Deposits of Eastern and Western France, by P. Nicou, 383
  • Iron Mines in the Briey Region, by A. Guillain, 383
  • Metallurgical Industries of Northern and Eastern France Their Destruction and Reconstruction, by M. Guillet, 383
  • Investigation of Hot Drawing on the Mandril, by E. Schneider, 678*. See LETTER, 603
  • Experimental Investigation of the Mech-anical Properties of Steel at High Temperatures, by E. L. Dupuy, 391*, 427*, See 384
  • Characteristic Curves of the Heat Treat-ment of Steels, by A. M. Portevin and
  • P. Chevenard, 551*. See 384
  • Constituents Found in Tungsten and

Molybdenum Steels, by A. M. Portevin, 372*

  • Damascene Steel, by Col. N. T. Belaiew, 395*

— * — Works. See Works — — See also PARAGRAPH INDEX — * Tests. See Tests (Materials) — * Welding. See Welding — * See also Cast Iron ; Steel ; Pig Iron Metal¬lurgy

  • Ironwork, Structural. See Bridges ; Floors ; Steelwork
  • Irrigation and Water Shortage in California, 288

— * See also PARAGRAPH INDEX

  • Isherwood System, Tank Steamer " San
  • Felix," 441*
  • Isotopes and Atomic Weights, 382

— * of Hydrogen, 382. See 432

  • Italian Passenger Steamer, "Giulio Cesare,"
  • Propelling Machinery, 662*
  • Italy, Motor Car Taxes in, 831
  • J.
  • JACK, Lifting, for Motor Cars, F.O.D., 627*
  • Japan, Haranomachi Wireless Station, Vibra
  • tions of Tower, 196*
  • Metric System in, 187
  • Japanese Government Railways, Jubilee, 311

— * Navy, Warships Built and Building, 195. See 223

  • Jets, Steam, Boiler Furnaces, Steam Con-sumption, 92

— * Steam. See also Nozzles

  • Jetties, Crane, Ferro-Cocrete, Royal Albert Dock, 6*
  • Johannesburg Water Supply, Vaal River Barrage, 325*
  • Johns, C., on Surface of Liquid Steel, 619. See 530
  • Johnson, B. & Son, Portable Tamping Machine, 735, 853*. See Erratum, 759
  • Johnson, Dr. F., on Working and Annealing. Copper, 449, 899*
  • Johnson's Materials of Construction (Review),. 194
  • Jones, F., on the Rubber Industry, 851
  • Journals. See Bearings
  • Junior Institution of Engineers, Change of Policy, 255, 733. See LETTERS, 278, 311,. 346, 372 ; Presidential Address to North. East Section, by H. I. Brackenbury, on, Waste, 514 ; Presidential Address, by C. H. Wordingham, on a National Proving: House, 825
  • Junker's Compound Internal-Combustion, Engine, 70*
  • Jupiter Aero Engine Trials, 691. See 862
  • K.
  • KANSAS City Bridge, Vertical Lift, 234* Kapp, R. 0., on Low Power Factor, 47, 79 Keillor, G., on Gas in Shipyards, 479
  • Kek Indicator, Boiler Water Density, 57. Kelham Beet Sugar Factory, Opening, 639 Kelway-Bamber, H., on Train Loads, 701 Kenward Collapsible Steel Barrel Co., Ltd.,
  • Steel Barrels, 375*
  • Kilns, Cement, Heat Losses from, 193
  • lns, Rotary, Cement Manufacture, E. Allen & Co., 337*
  • — Tunnel Oven, Marlow Gas-Fired, 536 ; Oil-Fired, 537
  • King George V Dock. See Royal Albert Kirkpatrick, C. R. S., on Dock Dimensions 21, 31, 38
  • Kirunavaara Mines, Air Compressor for, 675* Knight, R. E., on Pneumatic Grain Elevators, Port of London, 864*. See 859*
  • Kursk District, Russia, Magnetic Anomaly, 469
  • L.
  • Labour :
  • Blind Persons, Employment in Work
  • shops, 715*
  • Capital and Labour, Organisation of, 683

— * — Labour, Remuneration of, German Industries, 676

  • Capitalists' Place in Industry, 379. See Erratum, 419
  • Coal Strike, Principles of Settlement, 61 Co-operation of Employers and Employed, 481
  • Co-partnership in Gas Industry, 546 Economics of 'Welfare (Review), 290 Engineers and Labour Problems, 635 Industrial Accidents. See Accidents

— * Economics, Basing Wages on Profits, 61 — Capitalists' Place, 379. See Erratum, 419

  • — — Causes of Crisis, 574
  • — Effect of Coal Subsidy, 511. See LETTERS, 567, 728

— * — Effect of Production Costs, 576

  • — Effect of Short Hours, 480
  • — Effect of Waste, 514
  • — — Human Factor in Business (Review),
  • 610

— * — Increasing Production, Employers'

  • Part, 156
  • — — National Bankruptcy, 107
  • — Organisation of Employers and
  • Employed, 683

— * — Propaganda amongWorkers, 731, 763 — — Relation between Employer and Employed, 545

  • — — Remuneration of Capital and Labour
  • 676

— Notes, 13, 58, 104, 152, 182, 216, 262, 278, 314, 354, 371, 419, 440, 476, 505, 549, 566, 602, 640, 673, 692, 724, 755, 800, 818, 862, 893. See PARAGRAPH INDEX — * Poisoning, Susceptibility and Immunity 159 — * Situation and Attitude of Labour, 445 — * Workers, Health of (Review), 877 — * Welfare. See Welfare (below)

  • Industry, Labour Control of (Review), 449
  • Insurance, Unemployment. See Unemploy¬ment (below)
  • Labour Leaders and the Workers' Views, 445
  • Machine Tools, Automatic, Influence on Operators, 50, 80
  • Mexican Labour Situation, 828
  • Motor Car Industry, Wages, Prices and
  • Production, 225. See LETTER 450 Paint, White Lead in, Case against Pro
  • hibition, 323. See LETTER 451 Poisoning, Industrial, Susceptibility and
  • Immunity, 159
  • Propaganda, Industrial, among Workers, 731, 763
  • Railways, British, Higher Labour Costs, 826
  • Shipbuilding Yard, Yarrow's, Closing of, 286
  • Socialisation of Industry in Germany, 676 Strikes and Unemployment Benefit, 699 Trade Unionsts and Capitalism, 379. See Erratum, 419

— * Unions, Amalgamation of, 683 — * — Ballots, Legality of, 826 - * — Congress, Presidential Address on Capitalism, 379. See Erratum, 419 — * — and Control of Industry (Review), 449 — * — Lawsuits, Local Unions and National Federations, 669 — * — Leaders and Members, Relationship 731 — * — Monopolists and Electric Supply, 705 — * — Restrictions and Cost of Produc-tion, 576

  • Training of Skilled Mechanics, 667 Unemployment Benefit and Strikes, 699

— * Causes of, 574 — * and Cost of Production, 576 — * Relief Works, Advance Schemes, 737 — * and Road Development, 576 — * and Short Time Working, 480

  • Wages Boards, British Railways, Constitu
  • tion of, 285
  • -- Mining Industry, Basing on Profits, 61

— * Prices and Production, Motor Car Industry, 225. See LETTER, 450 — * Principles of Determination, 445 — * Rates, British and Foreign, 517 Welfare, Economics ( f (Review), 290 — * Work, E. Allen and Co.'s Works, 338 Wiremen, Non-Union. and the Electrical Trades Union, 705

  • Workers, Industrial, Health of (Review), 877
  • Labour-Saving Appliances, Domestic, Compe-tition, 892
  • Laboratory, Chemical, Intermediate Scale, Imperial College, 12

— * Tests, Gas Producer Fuels, 668 — * See also National Physical

  • Labyrinth Glands, Turbo-Generator, 874* Lagging Materials. See Heat Insulation. Lambert, Prof. C. .T. the Late, 673
  • Lamps, Electric. See Electric

— * Motor Car, Report on. 671 Lancashire Boiler. See Boiler — * Yorkshire Railway, Norwich Works, Foundry Control, 832

  • Land Drainage, Excavating. Machine for, 795 — — and River Maintenance, 120, 130 Langdon, C. S., on Brittlenesss of Steel, 226 Langley's Aeroplane, Hammondsport Trials of,
  • 609, 828
  • Lapworth, Dr. H., on Rainfall and Run-Off, 146, 169. See Errata, 195
  • Latham, E., on Gauging Penetration in Pile
  • Driving, 123, 131*, 684*. See LETTERS,
  • 756, 851 ; on Deep-Water Quays, 822 Lathes. See Machine Tools
  • Laundry Calender, Explosion of, 583
  • Law. See Legal ; Labour ; Patents
  • Laws, Dr. B. C., on Stresses in Ships' Plating, 368*,
  • 405. See LETTERS, 410*, 486, 540*,
  • 567, 612,640, 693
  • Lawrence, M. R., on Engineering Production,
  • 156
  • Le Mesurier, W. H., the Late, 248
  • Le Mesurier, Eng.-Lieut. Commander L. T.,
  • on Maag Gearing, 801*
  • Lea, Prof. F. C., on the 'Utilisation of Tidal
  • Power, 424*. See 406, 422. See LETTER,
  • 540
  • Lea Recorder Co., Ltd., Coal Meter, 416
  • Lead, Effect on Gun-Metal, 580*. See 448

— * Metallurgy of (Review), 485 — * Prices. See Metal-Price Diagrams — * White, in Paint, Case against Prohibition, 323. See LETTER, 451

  • Leamington Gas Works, Sulphate of Ammonia Plant, 135*
  • Leask, H. N., on Ventilation and Humidifica¬tion in Textile Factories, 202*
  • Leclanche Cells, Regeneration of, 342 Leeds-London Dining Car Train, 570
  • Legal :
  • Arbitrator's Duties, Commercial Disputes, 352
  • Bills of Lading, Hague Rules, 414 Contracts, Lump Sum, Law of, 380 — Terms, Legal Effects of Variations, 62 Income Tax Appeal Case, Machinery
  • Imports, 259
  • Insurance, Workmen's. §ee Labour Labour Legislation. See Labour Machine Casting, Liability for Breakage,
  • 259
  • Municipal Electricity Undertakings, Supply of Fittings, 734
  • Patent Law. See Patents
  • Railway Companies and the Carriers Act, 545
  • Ship Repairs, Liability for Negligence, 608 Trade Union Law. See Labour
  • War Compensation Court, 108
  • See also PARAGRAPH_ LNDEX
  • Legislation. See Legal ; Labour ; Patents Lerwick Geophysical Observatory, 500
  • Letters to the Editor, 58, 149, 220, 248*, 278, 311, 346, 372, 410*, 450, 486, 517, 540*, 567, 612, 640, 659, 692, 728, 756, 785, 819, 851, 886. See LETTERS INDEX
  • Level Tubes, Calibration of, 159*
  • Lifting Bridges. See Bridges

- * Jack for Motor Cars, F.O.D., 627* - * Magnet, Neale Submarine, 311

  • Light Alloys Research, Report on, 594, 613,
  • 624, 644

- * Deflection by Gravity. See Relativity - * Emission of Electrons by, 432 - * Motor Vehicle, Report on, 671 - * Polarised, Stress Determination by. See

  • Optical

- * Radiation and Absorption by Atoms, 468 - * See also Spectrum Lighthouses, Gas Filled Lamps for, 212 Lighting, National Gallery and Houses of Parliament, 213 - * Gas. See Gas - * See also Lamps under Electric Lignite Briquetting in Canada, 615 - * Production and Use, 15, 26

  • Lime-Magnesia Glasses, Properties and Appli
  • cations, 601
  • Limit Gauges. See Gauges
  • Liners. See Steamers
  • Liquid Air. See Air

- * Fuel for Boiler Firing, Report, 321

  • - - Comparisons with Colloidal and Pul
  • verised Fuels, 90. See Erratum, 149

- * Corrosive, Ceratherm Pump for, 852* - * Electric Resistance Heaters for, 852* - * Fuel. See Oil Fuel. See also Alcohol ; Benzol ; Motor ; Petrol - * Viscosity of. See Viscosity - * Viscous, Flow through Conical Tubes, 711

  • Literature, 110, 160, 194, 227, 260, 290, 321, 352, 384, 449, 485, 514, 547, 609, 736, 767, 798, 814, 845, 877. See LITE¬RATURE INDEX
  • Litigation. See Legal ; Labour ; Patents Liverpool Corporation, Supply of Electric
  • Fittings, 734 ; Turbo-Generator for, 873* Ljungstrom Turbo-Generator, 399*
  • Lloyd's Register, Report on Bunker Fires, 892 - Report of, 639

- * Statistics, Vessels under Construction, 108, 544 - * - VesselsLost, 576, 822

  • - World's Merchant Shipping, 157
  • Loading Gauge, British Railways, Increasing,
  • 20, 30
  • Local Authorities. See Municipal
  • Lock, Entrance, Royal Albert Dock Extension,
  • 5*
  • Lockouts. See Labour ; Industrial Notes
  • Locomotives, 0-10-0 Type, for Russia, 695*

- * 2-10-10-2 Type, Mallet, Virginian Railroad, 745* - * 2-10-0 Type, Pennsylvania Railroad, 745* - Ash-Pits, New Jersey Central Railroad, 125* - * Boilers, Copper Tube Plates, Repairing Cracks, 251* - * - Design for Fuel Economy, 743

  • - - Explosion at Buxton, 759. See LETTER,
  • 786

- * Cranes. See Cranes - * Cylinders, Production of Castings, 834 - * Design and Economical Working, 743* - * Electric, Advantages over Steam, 138, 164. See 50, 793, 859

  • Locomotives, Electric, Battery, for Shunting,
  • 147, 170
  • — — Maag Gearing for, 806
  • — — Paulista Railway, Brazil, 854*
  • — — Side Thrust on Rails, 793

— * Feed-Water Heater and Pump, Weir's, 160* — — Heating and Superheating on, 89 — * Indian Railways, Construction in India, 514 — * Pacific Type, Erie Railroad, 745*

  • — — Type, United States Railways, Tabulated
  • Data, 744
  • Repairs, Reducing Cost, 743.
  • -- Road. See Motor ; Road ; Tractor

— * Shortage in Roumania., 351 — * Shunting, Early Turbine Driven, 728*. See 477 — * Steam Turbine, the Zoelly, 292* — * Use of Pulverised Fuel, 90 — * Utilisation of Waste Heat on, 89 — * Works, Horwich, Foundry Control, 832* — * See also Railways in PARAGRAPH INDEX London Area, Road Developments, 676 — * Basin, Refractory Materials of, 536 — * Brighton and South Coast Railway, Tunnel Maintenance, 30. See 21, 40 ; Recon¬struction of Ebury-street Bridge, 163* ; Pullman Cars, 217 — * Electric Firm, Flexible Shaft Coupling, 375* — — Supply, Unification, 857 — * Houso Refuse Disposal, 737, 889 — * Leeds Dining Car Train, 570 — * North Circular Road, 191 — * & North-Western Railway, Locomotive Boiler Explosion, 759. See LETTER, 786 — * Port of, Shipping Statistics, 381 ; Pneu¬matic Grain Elevators, 864*. See 859* — Royal Albert Dock Extension, 2*, 109 — * Sessions House, Heating and Ventilating Plant, 518* — * Suspended Impurities in Atmosphere, 565*.

  • See 12, 531, 554*, 737
  • Longitudinal Bulkheads. See' Watertight Sub
  • divisions
  • Lord, C. B., on Interchangeable Manufacture
  • 553
  • Lorries. See Motor Lorries : Tractors
  • Low Temperature Carbonisation of Coal, 29, 68
  • 175*, 596*. See Erratum, 110
  • Lowry, Dr. T. M., on Optical Rotatory Dis
  • persion, 33
  • Lubricating Oils, Effect of Fatty Acids, 10
  • — See also Oils
  • Lubrication of Gearing, 802

— * System; High-Speed Ammonia Compressor, 608*

  • Lubricator, Sight-Feed, for Aquadag, 57* Lump Sum Contracts, Law of, 380
  • Lumsden System, Lathe-Type Tools, 183*, 213* Lupton, H., Comparisons of Pumping Engines
  • and Turbo-Driven Pumps, 23, 42, 74.
  • See LETTER, 279. See also 430, 644*
  • M•
  • MAAG Gearing, Production and Applications, 801*
  • Macadam. See Roads and Tar Macadam Macalpine, J. H., on Reduction Gears, 179. See LETTERS, 311, 659
  • Macaulay, F. W., on Pipes for Pressure Con
  • duits, 145, 168 •
  • Mac. See also Mc
  • Machine Casting, Liability for Breakage, 259

— * Gun Patent, Legal Point, 809 — * Shops. See Works and Machine Tools

  • —• Testing. See Testing Machines and Tests
  • (Materials)
  • Machine Tools :
  • Automatics, Influence on Operators, 50, 80
  • Automatic Turret Lathe, 10-in. Centres, for Chucking Work (Gisholt Machine Co.), 463*
  • Boring, Drilling and Milling Machine, Horizontal, 3-in. Spindle (Cunliffe Croota, Ltd), 33*
  • — and Turning Mill for Motor-Car Tyre Moulds (Niles-Bement-Pond Co.), 888*
  • Cable Reel, for Portable Electric TooLs (Wayne Engineering and Equipment Co.), 550*
  • Crank-pin Turning Machine (Gardner & Co., Ltd.), 812*
  • Die Sinking Machine (B. Symons & Co.), 341*
  • Drilling Machines, High-Speed, Details of

(F. * Pollard & Co., Ltd.), 783*

  • — — Modern Tendencies in Design, 780
  • — — Operation by Blind, 716*
  • — Milling and Boring Machine, Horizontal,
  • 3-in. Spindle. (Cunliffe & Croom, Ltd.),
  • 33*
  • — and Tapping Machine, 3 ft. 6 in. Radial,

(G. * Swift & Sons, Ltd.), 783* Drop-Forging Dies, Machine for Cutting (B. Symons & Co.), 341*

  • Emery Wheel Grinding Machines. See Grinding Machines (below)
  • Flanging Press, Hydraulic (Rice & Co. (Leeds), Ltd.), 72*
  • Gear Cutting and Grinding Machines (Maag Gear Co.), 802*
  • — Shaping Machine, Multiple (Stevenson Gear Co.), 539*

— * Worm, for Telescope Drive, Method of Cutting, 244*

  • Grinding Gear Teeth, Machine for (Maag Gear Co.), 802*
  • — — Teeth, Motor Car Gear-Boxes, 871*. See 897

— * Holes, Motor Car Gear Wheels, Method of Mounting, 831* — * Lathe-Type Tools, Lumsden System, 183*, 213* — * Machine, 30 in. by 16 ft., Crankshaft

  • Work (C. Churchill & Co., Ltd.), 812* — — Surface, (Graham Manufacturing
  • Co.), 506*
  • — — Universal Tool and Cutter (Tangent Tools), 415*
  • Machine Tools—continued.
  • Hammers, Forging, Comparisons with Hydraulic Presses, 700. See LETTERS,
  • 728, 756, 786, 851

— * Steam, Explosion of Stop Valve, 537. See Erratum, 570

  • Lathe, 10-in. Automatic Turret, Chucking Work (Gisholt Machine Co.), 463*

— * Crankpin Turning (Gardner Lt., Co., Ltd.), 812* — * 20-in. Centres, Heavy Motor-Driven (F. Berry Sc Sons), 364* — * 48-in. Railway Wheel (Noble & Lund, Ltd. and A. Herbert, Ltd.), 280* — * Screw Cutting, Precision (B. Symons & Co.), 216

  • 200-mm. Centres, Screw-Cutting, All-Geared Head (Swiss Machine Tool Works), 655*

— * 200-mm. Centres, Screw-Cutting, Cone Pulley Head (Swiss Machine Tool Works), 652* — * Tool ; Ring-type, Top Rake and Clear-ance, 95* ; curved top rake type, 213* — * Turret, 2i-in. Hollow Spindle, Details of Construction (Pollock & McNab (1919), Ltd.), 758* — * Type Tools, Lumsden System, 183*, 213* — * See also Automatic (above)

  • Machine Shops, E. Allen & Co.'s Works,
  • 337*

— * — Clarke's Crank & Forge Co., Ltd., • * 778* 811* — * — Management. See JJ'orks Manage-ment — * Tools, Recent Developments. See Horner, J. — * Work, Employment of Blind Soldiers, 715* - * — Influence of Automatics on Opera-tors, 50, 80 — * — Interchangeable Manufacture, Fun-damentals of, 553 — * — Tool Making and Interchangeable Manufacture (Review), 547

  • Milling, Boring and Drilling Machine, Horizontal, 3-in. Spindle (Cuuliffe Croom, Ltd.), 33*
  • Planing Machine, Gear. See Gear (above)

- * — German Investigations, 886

  • Presses, Hydraulic Forging, Comparisons with Power Hammers, 700. See LETTERS, 728, 756, 786, 851

— * — Forging, Crankshaft Manufacture (Davy Brothers, Ltd.), 777* — * — Forging, Mechanical Manipulator for (Alliance Machine Co.), 151* — * — Plate Flanging (Rice & Co. (Leeds), Ltd.), 72* — * — for Spring Buckling, Hele-Shaw • * System (S. Denison Son, Ltd.), 502* — * Power, Liability for Breakage, 259 — * — Operation by Blind, 717* — * Stamping, Motor Car Industry, 523*

  • Puncher- 'Type "SlottingMachine, Crank¬shaft Manufacture (W. Muir & Co., Ltd.), 811*
  • Punching Machine, Hand-Operated Hy¬draulic (Tangent Tools), 415*
  • Ring Turning Tool, Top Rake and Clear-ance, 95*
  • Saws, Band, Swaging and Side Dressing Machine(A.Ransome &Co..Ltd.), 186*

— * Manufacture, E. Allen & Co.'s Works, 306*

  • Screw Cutting, Accuracy in (B. Symons & Co.), 216
  • Shaping Machine, Gear (Stevenson Gear Co.), 539*
  • Slotting Machine, Puncher Type, Crank¬shaft Manufacture (W. Muir & Co., Ltd.), 811*
  • Stamping, Sheet Metal, Motor Car Indus-try, 523*
  • Stud Driver and Extractor, the Drysdale (A. Herbert, Ltd.), 312*
  • Swaging Machine for Band Saws (A. Ran-some & Co., Ltd.), 186*
  • Tapping and Drilling Machine, 3-ft. 6-in.
  • Radial (G. Swift & Sons, Ltd.), 783* Tools, Lathe Type, Lumsden System, 183*,
  • 213*

— * Making and Interchangeable Manufac-ture (Review), 547 — * Turning, Ring, Top Rake and Clear-ance, 95*

  • Turning and Boring Mills. See Boring (above)

— * Machines, Automatic. See Automatic (above)

  • — — for Crankpins (Gardner & Co., Ltd.), 812*

— * Tool, Ring, Top Rake and Clearance,

  • 95* ; curved top rake type, 213*
  • Turret Lathes. See Lathes (above)
  • Vice, Bench, Quick-Acting (International
  • Construction Co.! Ltd.), 567
  • See also PARAGRAPH INDEX
  • Machine Vice. See Vice under Machine Tools

— * Work. See Machine Tools

  • Machinery Exhibition at Olympia, 374*, 414*,
  • 435*, 470*. See 417, 481, 543

— * Hall Mark for, 825

  • Imports, Income Tax. Appeal Case, 259

— * Small, Design and Production, 413

  • Magnesium Alloys. See Alloys under Metal¬lurgy
  • Magnesite, World's Output, Effect of War, 140, 165
  • Magnet, Lifting, Neale Submarine, 311 Magnetic Anomaly, Kursk District, Russia, 469

— * Storms and Solar Phenomena, 500

  • Magnetos, Starting Device for Petrol Engines, 437*
  • Mains, Electric. See Cables under Electric Maintenance of Railway Tunnels, 21, 30, 49 ; Railway Structures, 635, 646
  • Malaria, Occurrence in Scotland, 442
  • Malaya, British, Engineering Works in, 823
  • " Malaya" M.S., for East Asiatic Co., Ltd., 195 " Malia," M.S., Cammellaird-Tullagar Engines, 503
  • Mallet Locomotive for Virginian Railroad, 745* Mallinson, C. E., on Season Cracking of Brass, 262*, 297*, 327*
  • Malsters' Plant, Brewers' Exhibition, 638 Management, Industrial, Labour's Share in. See Labour
  • — of Works. See Works Management
  • Manchester Association of Engineers, Presi¬dential Address by F. J. West, 545 ; H. F. Massey, on the Flow of Metal during Forging, 700. See LETTERS, 728, 756, 786, 851 ; Sir D. Clerk on Water Power, 828 ; D. Adamson, on Foundry Costs and Establishment Charges, 894*

— * Atmospheric Pollution in, 554*. See 531, 555*, 737

  • Steam Users' Association, Report on Oil Fuel, 321
  • Manganese Dioxide Electrodes, Dry Cells, Regeneration, 342
    • Ore, World's Output, Effect of War, 140, 165
    • Silicon, Production in Electrical Furnaces, 252
    • Steel. See Allen, E., & Co., Ltd.
  • Manipulator, Mechanical, for Heavy Forgings, 151*
  • Mannesmann Piercing Machine, Tube Manu-facture, 397*, 429*, 495*, 527*. See LETTERS 612, 660
  • Manoeuvring Valves, Marine Turbines, 473* Manufactures, British, Floating Exhibition of, 446. See 377, 728, 819
    • Increasing Production, Employers' Part, 156
    • Interchangeable, Fundamentals of, 553 — — and Tool Making (Review), 547
    • Scientific Methods in. See Works Manage-ment.
    • See also Trade
  • Manufacturers, British and Overseas Trade, 540

— * Need for Organisation, 683

  • Mapping from Aeroplane Photographs, 557*

— * Hints to Travellers (Review), 815

  • Marine Auxiliary Machinery, S.S. " Paris,"
  • 248* ; SS. " Giulio Cesare," 664*
    • Boilers. See Boilers
    • Engineering, Research and Progress in, 574 — Scholarships in, 15
  • — Engineers, Institute of, J. H. Anderson on British and American Mining Methods, 608 ; H. J. Young on Grey Iron Castings, 892
    • and Naval Architects, American Society of. See Naval Architects
    • Engines. See Engines ; Turbines ; Marine Propulsion
    • Propulsion, Comparisons of Systems, 358 — — Cost of High Speed, 838
    • Diesel-Electric System, 765. See 357* — — Diesel Engines, Auxiliary Compressors for, 435*
    • Diesel Engines, Cammellaird-Fullagar, M.S. " Malia, ' 503
    • Diesel Engines, Data of Motor Ships, 168. See 143
    • Diesel Engine, Doxford Opposed Piston Type, Crankshaft for, 723*
    • Diesel Engines, Heat Transmission in, 123, 132
    • Diesel Engines with Large Cylinders, 12R 132*
    • Diesel Engines, M.S. " Malaya," 195
    • Diesel Engines, Recent Progress, 143, 168
    • Diesel Engine Trials, M.S. " Scottish Standard," 133. See 123
    • Engines and Boilers, S.S. " P.L.M. 20," 339*
    • Effect of Waves, Model Experiments, 99
    • Electric System, British Patent, 220
    • Electric System, Motor Arrangements, 765
    • Electric System, SS. " San Benito," 481 — — Electric System, Turbines and Diesel Engines, 357* See 765
  • — Electric System, U.S. Battleship " Mary¬land," 191; U.S. Battleship " Tennessee," 359*
    • Geared Turbines, Advantages of Float¬ing Frame,-179. See 143. See LETTERS, 311, 659
    • Geared Turbines, Deflections of Casings, 179. See 311, 659
    • Geared Turbines, Development of, 142, 167
    • Geared Turbines, Double Reduction, Balancing of, 372
    • Geared Turbines, Double Reduction, Tank Steamer " San Felix,"
    • Geared Turbines, Effect of Torsional Vibrations, 180. See 167, 311.
    • Geared Turbines, Maag Reduction Gears, 804

— * —Geared Turbine Machinery, SS. " Giulio Cesare," 662

  • — — Geared Turbines, Tooth Pressures, 157 180, See 142, 311, 659
  • — — Geared Turbines, Torsional Vibration of Shafting, 363* See LETTERS 661

— * Geared Turbines,. Wear of Teeth, 142.

  • See 167
  • — —H.M. Navy, Early History, 486. See 452

— * — Machinery Spaces and Tonnage Measure¬ments, 704 — * — Manceuvring Valves for Turbines, 473* — * — Oil Fuel for. See Oil Fuel

  • — — Powering of Ships (Review), 161
  • — Propellers, Cavitation Phenomena, 85*
  • 114
  • — — Propellers, Detail Design (Review), 322

- * — Propeller Shafts, Torsional Vibration, 363* See LETTER, 661 — * — Turbine Blading Failures in U.S. Destroyers, 615*, 647* See 636

  • — See also Engines ; Turbines ; Pro-pellers ; Ship Resistance ; and PARAGRAPH INDEX

— * Salvage. See Salvage — * Structures, Ferro-Concrete, Deterioration and Protection, 23, 40, 73 — * Turbines. See Turbines. Steam ; Marine Propulsion — * Risks, Analysis of, 668

  • Markets. See Trade and PARAGRAPH INDEX Marlow Gas-Fired Tunnel Oven, 536 Marshall, Sons (V, Co., Ltd., Flax Pulling
  • Machine, 795
  • Marvin, W. L., on Competition of American and Foreign Vessels, 794
  • " Maryland," U.S. Battleship, Electrically-Propelled, 191
  • Massey, H. F., on Flow of Metal during Forg
  • ing, 700. See LETTERS, 728, 756, 786, 851 Materials for Aircraft and Aircraft Engines,
  • Report on (Review), 485

— * of Construction, Johnson's Treatise on (Review), 194 — * Inspection of, Suggested Central Bureau, 84, 111. See LETTERS, 149, 248. — * Strength of. See Stress and Tests (Materials)

  • Mathematics, Exponential Analysis, Balanc¬ing of Reciprocating Masses, 778*

— * Harmonic Analysis, Beam Problems, 656*, 686*

  • Mather Sc Platt, Ltd., Centrifugal and Turbine Pumps, 644*
  • Matter, Structure of Atoms and Molecules, 529 Maybury, Sir H. P., on Road Development, 576 Mayo, Major R. H., on the Paris Aero Exhi¬bition, 795, 862
  • McAlpine, Sir R., & Sons, Reconstruction of :bury Street Bridge, 163*
  • McKechnie, Sir J., on Internal Combustion Engines, 123, 132*
  • Mc. See also Mac
  • Measuring Bars, Standard, Discrepancies in,158

— * Gear Teeth, Dial Gauge for, 103*, 803* — * Instruments, Treatise on (Review), 227 — * Machine, End, at N.P.L., 158* — * — Internal Diameters of Screw Gauges, 558* — * Pumps for Paint and Oil, 632* Measurements, Metric System in Japan, 187 Mechanical Engineers, American Society of :

  • W. M. White on the Hydraucone Re-gainer for Hydraulic Turbines, 293* ; Proposed Research, Properties of Steam 320 ; W. E. Thau on Electric Ship Pro¬pulsion, 357* ; H. J. Hind() on Sheet Metal Stamping in Motor Car Industry, 523* ; C. B. Lord on Inter-Changeable Manufacture, 553 ; J. Partington on Waste in Locomotive Operation, 743* ; W. C. Sanders on Container Cars for Railways, 820*
  • Mechanical Engineers, Institution of :
  • National Certificates and Diplomas, Engineering Students, 12
  • Summer Meeting, London:
  • Preliminary Notice, 24
  • Value of Joint Meetings of Technical Societies, 155
  • Exhibition of Boiler-House Accessories,56* Reception of American Engineers, 63 Internal-Combustion Engine Theory with
  • Relation to Higher Economy, by
  • H. E. Wimperis, 63. See LETTER, 220 High Steam Pressures and other Means of
  • Increasing Economy of Steam Engines
  • by F. Samuelson, 64*
  • Chemistry of Combustion, by E. V. Evans, 65
  • Blast Furnace Gases,. by A. Hutchinson and F. Bainbridge, 66
  • Boiler-House Management (General Causes of Boiler Inefficiency), by D. Wilson, 67. See LETTER, 149
  • Low-Temperature Carbonisation of Coal, by Dr. W. A. Bone, 68. See Erratum, 110
  • Engine-House Management and Steam
  • Engine Inefficiency, by H. Dunell, 68 Super-Compression and other Means for
  • Improving the Economy of Internal
  • Combustion Engines, by A. E. L.
  • Chorlton, 69*. See Erratum, 109 Waste Heat Utilisation, by R. Nelson, 89 Superheating, by Sir H. Fowler, 89
  • Liquid, Colloidal and Powdered Fuels, by
  • Dr. Ormandy, 90. See Erratum, 149 Fuel Oils for Internal-Combustion Engines,
  • by H. Moore, 91
  • Automatic Stokers, by A. W. Bennis, 91 Air Heaters, by W. H. Patchell, 92. See 57* Feed Heaters and Economiser:, by C. E.
  • Stromeyer, 94
  • The Indicator as an Aid to Economy, by Prof. W. E. Dalby, 94
  • Winter Session Meetings:
  • Alloys Research Committee, Eleventh Report, 594, 613, 624, 644
  • Hawksley Lecture, by Dr. H. S. Hele-Shaw, on Power Transmission by Oil, 671
  • Claude Synthetic Ammonia Process, by J. H. West, 732
  • Machinery of Floating Docks, by Dr. E. H. Salmon, 720, 739*, 772*
  • The Late Mr. E. Windsor Richards, 720. See 701*
  • The Late Sir C. Douglas Fox, 720. See 703*
  • Royal Charter, Council's Decision, 859 Proposed Alterations to Articles, 859 Annual Dinner, 861
  • Discharge of Grain Cargoes in the Port of London by Pneumatic Elevators, by
  • R. E. Knight, 864*. See 859*
  • Conveying and Elevating Machinery, by G. Mitchell, 866*. See 859
  • Mechanical Flight. See Aeronautics

— * Stoker. See Stoker — * Traction on Roads. See Roads ; Motor Cars ; Tractors

  • Memphis, Centrifugal Drainage Pumps at, 643* Merchant Shipbuilding. See Shipbuilding

— * Ships. See Ships ' • Steamers

  • Mercury Prices. See Metal-Price Diagrams

— * Purification of, 711 — * Salts and Season Cracking of Brass, 263*, 297, 327* — * Vapour Rectifiers for Alternating Currents,

  • 403. See 588
  • — Time Interval in Fluorescence, 433*
  • Mercury Vapour, Turbine and Steam Turbine, Combined, 64*
  • Metals, Anti-friction. See Alloys under Metallurgy

— * Contact Potentials, Theory of, 432 — * Corrosion of. See Corrosion — * Electrolytic Etching for Micro-Examina-tion. 484. See 490 — * Fatigue of. See Alternating Stress under Tests (Materials) — * Flow during Forging, 700. See LETTERS. 728, 756, 786, 851 — * Filament Lamps. See Lamps under Electric

  • Metals, Institute of :
  • Season Cracking of Brass and other Copper
  • Alloys, by H. Moore, S. Beckinsale
  • and C. E. Mallinson, 262*, 297*, 327* Hints on Preparation of Papers, 514.
  • Autumn Meeting, Birmingham:
  • Programme, 148
  • Opening Remarks, 448
  • Reports of Discussions, 448, 483
  • Properties of Some Nickel-Aluminium-Copper Alloys, by Prof. A. A. Read and R. H. Greaves, 453*. See 448
  • Effect of Increasing Proportions of Lead upon the Properties of Admiralty Gun Metal, by R. T. Rolfe, 580*, See 448
  • Casting of Brass Ingots, by R. Genders, 452*. See 449
  • Density of the Copper-Zinc Alloys, by T. G. Bamford, 585*. See 449. Experiments in the Working and Anneal¬ing of Copper, by Dr. F. Johnson, 449. 899*
  • Effect of Progressive Cold-Drawing on the Physical Properties of Low-Tin Bronze, by W. E. Alkins and W. Cartwright, 449
  • Extrusion Defect, by R. Genders, 487*. See 483
  • Use of the Scleroscope on Light Specimens of Metals, by F. S. Tritton, 492*, See 483
  • Relation between Mechanical Properties and Microstructure in Pure Rolled Zinc, by D. H. Ingall, 489*. See 484
  • Constitution and Age-Hardening of Alloys of Aluminium with Magnesium and Silicon, by Dr. D. Hanson and Miss M. L. V. Gayler, 519*. See 484, 509
  • Electrolytic Etching of Metals, by F. Adcock, 484
  • Magnesium Alloy • Electron, by S. Beckinsale, 641.
  • Metals, Metallography of (Review), 229

— * Microstructure and Physical Properties (Review), 878 — * Non-Ferrous, Metallurgy of (Review), 485 — * Powders, Ltd., Flexala Pump, 643* — * Price Diagrams. 88*, 230*, 355*, 516*, 641,* 769* 896* — * Surface Tension Effects, 878. See 530 — * Solidification of, Surface Tension Effects, 530 — * Structure of. See Metallography ; Micro¬photographs — * Welding. See Welding — * See also Metallography ; Metallurgy ; Microphotographs

  • Metallic Coatings, Protection of Iron, 1.42, 167, 640

— * Films, Properties of, 878

  • Metallography, Electrolytic Etching Process,
  • 484. See 490

— * Etching Agent for Special Steels, 570 — * Metals and Alloys (Review), 229 — * Polishing and Etching Zinc, 490*. See 484 — * Solidification of Metals, Surface Tension Effects, 530 — * Strain Figures in Etched Steel, 809* — * Tungsten and Molybdenum Steels, Effect of Annealing on Structure, 372* — * Zinc, Rolled, Mechanical Properties and Microitructure, 489*. See 484 — * See also Metals ; Metallurgy ; Micro-photographs

  • Metallurgists and Metallurgical Chemists, Sheffield Association of, Address by Sir R. Hadfield, 607
  • Metallurgy :
  • Alloys, Aluminium-Copper-Zinc N. P. L. Investigations, 192
  • — — Magnesium and Silicon, Constitu¬tion and Age Hardening, 519*. See 484, 509
  • — — Report on Research, 594, 613, 624, 644

— * Bearing Metals, Testing by Detonators, 394 — * Copper-Zinc, Density of, 585*. See 449 — * — Season Cracking of, 262*, 297*, 327* — * — See also Brass ; Bronze ;Oun Metal — * Magnesium, Electron, Properties of,

  • 641
  • — — Silicon, N. P. L. Investigations, 192

— * Metallography of (Review), 229 — * Nickel-Aluminium-Copper, Properties of, 453*. See 448 — * Zinc, Strengthening by Compression,

  • 711
  • Blast Furnaces. See Furnaces
  • Brass. See Brass
  • Bronze. See Bronze
  • Cadmium, Properties of, 766
  • Cast Iron. See Cast Iron
  • Coke Ovens. See Coke Ovens
  • Corrosion of Metals. See Corrosion
  • Forging, Comparisons of Hammers and
  • Presses, 700. See LETTERS, 728, 756,
  • 786, 851

— * Heavy, Manipulating Machine for, 151* — * Hydraulic, Treatise on (Review), 450 — * Processes, Crankshaft Manufacture, 778*, 811*

  • Foundry. See Foundry ; Moulding
  • Furnaces, Metallurgical. See Furnaces
  • Metallurgy—continued.
  • Heat Treatment, Aluminium Alloys, 521*, 613, See 484, 509, 505, 625, 644
    • Annealing Tungsten and Molyb¬denum Steels, Effects, 350, 372*
    • Annealing Castings, Horwich Works, 836
    • Annealing of Copper, 449, 899* 1
    • Case Hardening of Steel (Review), 292
  • — Cementation, Diffusion of Carbon into Iron, 279

— * — Chromium Steels, 594*, 771*, 805* ---- Electrolytic Iron, Effect on Hard¬ness, 88

    • Nickel-Aluminium-Copper Alloys, Effect of, 453*. See 448
    • Nickel-Chromium Steel Turbine Blades, Effects, 649
    • Plant, E. Allen & Co., 306*
    • Steels, Characteristic Curves, 551*.
  • See 384 era

— * — Tool Steel, Prevention of Hardening

  • Cracks, 517. See LETTFR, 567
  • Iron, Acid-Resisting, Thermisilid, 478

— * Carbon Diffusion into, 279

    • Electrolytic, Effect of Heat Treatment, 88
    • Ore. See Ore
    • and Silicon, Heat Evolution in Com-bination, 478

— * and Steel Manufacture, Utilisation of Waste Heat, 89

  • Metallurgical Department, N. P. L., Work of, 192

— * Industries, Effect of War, 139, 165 — Use of Water Power, 24, 44, 76 Metallurgy Handbook, Copper, Lead, Silver and Gold (Review), 485

  • Metals, Solidification Pot Surface Tension Effects, 530

— * Tests of. See Tests (Materials) Pyrometers. See Pyrometers

  • Refractories. See Refractory Materials ; Firebricks
  • Rolling Mills. See Rolling Mills
  • Season Cracking of Brass, &c., 262*, 297*, 327*
  • Silicon and Iron, Heat Evolution in Combination, 478

— * Manganese, Production in Electric Furnaces, 252

  • Slag, Blast Furnace, Sulphur Recovery, 221

— * Cement, Manufacture in Electric Fur¬nace, 103 — * Use in Concrete, 851 Steel Furnaces. See Furnaces — * Liquid, Vapour from, 619. See 530 — * Tubes and Cylinders, Hot Drawing on Mandril, 678*. See LETTER, 693 — * Cerium and Molybdenum, United States Research, 892 — * Manufacture. See Allen E., & Co., Ltd. — * Stainless, High Temperature Tests and Effect of Heat Treatment, 594* — * — Turbine Blades and Pump Rams, 592* — * Uranium, Properties of, 841 — * Tungsten and Molybdenum, Effect of Annealing on Structure, 372*

  • Uranium, Properties and Uses, 841 Welding. See Welding
  • Zinc, Rolled, Properties and Microstruc¬ture, 489*. See 484

— * Strengthening by Compression, 711

  • See also Iron and Steel Institute ; Metals, Institute of ; Metallography ; Micro-photographs ; Foundry ; and PARA.-GRAPH INDEX
  • Metallurgy and Mining, Institution of. See Mining
  • Meteorological Society, Royal :
  • Functions of a Scientific Society, with Special Reference to Meteorology, by R. H. Hooker, 442
  • Meteorology in Medicine, with Special Reference to the Occurrence of Malaria in Scotland, by A. M. Mac-donald, 442
  • Diurnal Variation of Atmospheric Pressure at Castle O'er and Eskdalemuir Observatory, Dumfriesshire, by Dr. A. C. Mitchell, 442
  • Natural Tendency towards Symmetry of Motion and its Applications as a Principle in Meteorology, by Dr. S. Fujiwhara, 442
  • Dynamics of Wind, by Dr. H. Jeffreys, 693 Behaviour of Pilot Balloons at Great
  • Heights, by N. K. Johnson, 693 Cloud Phenomenon of November 29, 1920,
  • by C. J. P. Cave, 693
  • Meteorology, Cloud with Sharp-Cut Edge, 693

— * Drought of 1921, 500 — * Dynamics of Wind, 693 — * Hints to Travellers (Review), 815 — * Introductory Treatise (Review), 260 — * Measurement of Atmospheric Moisture, 890 — * in Medicine, 442 — * Rainfall Distribution and Measurement, 256* — * Symmetry of Motion in, 442 — * Theory of Cyclones and Anti-Cyclones, 500 Meter, Coal, Lea, for Chain-Grate Stokers, 416 Meters, Engineering, Treatise on (Review), 227 — * Gas, Life of, Report, 342, 563 — * See also Electric

  • Metric System in Japan, 187
  • Metrology, Work of N.P.L., 158*
  • Metropolitan Vickers Electrical Co., Ltd.,
  • Cargo Winch, 435* ; Geared Turbo
  • Generator, 474* ; 12,500-kw. Turbo -
  • Generator, 873*

— * See also London

  • Mexican Oil Production, 828.
  • Mexico, Mineral Resources and Public Works,
  • 828
  • Michell Thrust Bearing, Turbo-Generator, 874*
  • Microchronograph, Edinburgh Observatory,
  • 500 *
  • Micrometer, Ultra-Sensitive, Thertnionic Valve Typo, 395* See 469
  • Microphotographs, Aluminium Alloys, Effect of Heat Treatment, 522*

— * Bacteria Producing Pipe Incrustation, 457* — * Brass, Season Cracks. 297*, 298* — * — Tube, Non-Metallic Inclusion, 452* — * Chromium Steel, 806* — * Copper, Effect of Annealing, 900* — * Damascene Steel Blade, 395* — * Gun-Metal, Effect of Lead, 582* — * Nickel-Aluminium-Copper Alloys, 455* — * Steel, Properties at High Temperatures, 392*, 393*, 394*, 427* - * — Stainless and Nickel, 593*

  • — — Tungsten and Molybdenum, Effect of
  • Annealing on Structure, 373*

— * — Turbine Blades, U.S. Destroyers, 650* — * — Strain Figures, 810*

  • — — Welded with Copper, Hyde Process, 338*

— * Zinc, Cast and Rolled, 491*

  • Microstructure and Physical Properties of
  • Solids (Review), 878

— * Rolled Zinc, and Mechanical Properties, 489*. See 484 — * of Metals. See also Metallography ; Micro¬photographs

  • Middlesbrough, New Technical Institute, 480 Midland Railway, Dining Cars, 105 ; Battery Locomotives, 147, 170
  • Midlands, Electric Power Supply, 191, 226 Mid-Scotland Canal, Notes on, 407, 462 Milling Machines. See Machine Tools
  • Mills, Grinding, Electrically Heated, 852* — Rolling. See Rolling Mills
  • Millwall Docks, Pneumatic Grain Elevator, 864*, See 859
  • Milton, Dr. J. T., Report on Bunker Fires, 892 Mineral Industry, Water Power in, 24, 44, 76

— * Oils. See Oils — * Resources of Algeria, 823 ; of Yugo-Slavia, 823 ; of Mexico, 828 — * Supplies, Effect of War, 139, 165 — * See also Coal ; Mining ; Ores ; and PARA¬GRAPH INDEX

  • Miners' Strike, Principles of Settlement, 61 — British and Foreign, Comparisons, 517 Mines, Coal. See Collieries

— * Gold, New Moddorfontein, Air Compressor for, 535*. See LETTERS, 661 — * Hydraulic Stowage in, 480 — * Iron, Briey, War Damage and Recon

  • struction, 383
  • — — Eastern and Western France, 383.
  • See 418
  • — — Kirunavaara, Air Compressor for, 675*

— * Props, Scottish Timbers for, 405 — * Rand, Water Supply, Vaal River Barrage, 325* — * Rescue Apparatus. See Colliery — * San Domingos, Air Lift Pump, 460*. See 430, 693 — * Ventilating Fan, Regainer for, 659* — Winding. See Winding — * United States Bureau of. See United States — * See also Coal ; Collieries ; Mining ; Ores ; Winding and PARAGRAPH INDEX

  • Mining Apparatus, Electrical, Relief Bolts fen., 376

— * Engineers, Institution of, Presidential Address by Sir J. Cadman, on the Mining Industry, 418 ; War Memorial, 766 — * Coal, British and American Methods, 608 — * Industry, Basing Wages on Profits, 61

  • — and Metallurgy, Institution of, War Memo
  • rial, 766

— * Use of Cement Grouting in, 24, 45, 77 — * Water Power in, 24, 44, 76 — * Work in the War, 766 — * See also PARAGRAPH INDEX

  • Ministry of Transport. See Transport
  • Mirrors and Mountings, 72-in. Telescope, 240*, 269*. See 208*
  • Mitchell, G., on Conveying and Elevating
  • Machinery, 866*. See 859 Mixed-Pressure Turbines. See Turbines Mixing Machine, Concrete, Ransome Portable,
  • 735*
  • — — Concrete, Road Construction, 734* — — Tar Macadam, 735
  • Modderfontein Mine, Air Compressor for, 535*. See LETTERS, 661
  • Models, Investigation of River Estuaries by, 121, 130

— * for Stress Determination. See Optical — * See also Aeronautics ; Ship Models ; Ship.

  • Resistance
  • Moisture, Atmospheric, Measurement of, 890

— * Effect, on Strength of Timber, 387*. See

  • 504
  • Molecules, Gaseous, Structure of, 827

— * Structure of, B.A. Discussion on, 529 Molybdenum Steel, Effect of Annealing on Structure, 372*

  • — Properties of, 350
  • — — United States Research, 892 Monoplane. See Aeronautics
  • Mont Cents Tunnel, Jubilee, 447
  • Montreal Harbour, Floating Crane for, 784* Moore, H., on Fuel Oils for Internal-Combus
  • tion Engines, 91 ; on Season Cracking of
  • Brass, 262*, 297*, 327*
  • Morley, Dr. T. B., on a Nomographic Chart for Gases, 302*
  • Mossay & Co., Ltd., Electric Run-About Crane, 564*
  • Motor Cars, American, Prices of, 225. See LETTER, 450
  • Motor-Car Details :—
  • Back Axle, Clarkson Steam Lorry, 630* Gear Box, Clarkson Steam Lorry, 630* — Boxes, Design and Construction of, 830*, 870*, 897*
  • Engines, See Engines, Petrol.
  • Motor-Car Engineers. See Automobile Engineers

— * — Engines. See Engines, Petrol

  • — — Exhaust in Tunnels, Investigations, 872
  • — — Exhibition, Olympia, 670

— * — Fuels. See Motor Fuels — * — Gear Boxes. See Motor-Car Details — * — Headlights, Report on, 671 — * Industry, Sheet Metal Stamping, 523*

  • Motor-Car Industry, Standardisation in, 15,
  • 573. See 670
  • Industry, Use of Aluminium Alloys, 625

— * Industry, Use of Chromium Steels, 771*, 805*

  • — — Industry, Wages, Prices and Production, 225. See LETTER, 450.

— * Lifting Jack for, F.O.D., 627* — Modern Practice (Review), 547 - * -- Pallas Petrol Gauge for, 693* — * — Taxes in Italy, 831 - * — See also Motor Cycles and PARAGRAPH INDEX — * Cycle Exhibition, Olympia, 764 — * Electric, Arrangement for Ship Propulsion, 765 - * — Drum-Type, Starting Panel for, 726* - * — Inching Starter for, 99*

  • — Induction, U.S. Battleship " Ten
  • nessee," 359*
  • — Starting and Regulating Switches,
  • Magnetic Blow-Out, 99*

— * Starting Switches, Construction of Re¬sistance Units, 09*

  • — Starting Switches, Push Button for, 101* Traction, Maag Gearing for, 805*

- * — Vertical Shaft, for Centrifugal Pump,742* - Fuels, Advantages of Benzole, 737 - * — Advantages of Coke, 579. See 275*, 575,

  • 630*
  • Alcohol, Sources of, 27

— * — Calorific Value and Cost, 579

  • — Use of Producer Gas, 575, 580
  • — Internal-Combustion. See Aeronautics ;
  • Engines ; Motor Cars ; Tractors

— * Lorries, Coke as Fuel, 579. See 275*, 575,630*

  • -- Derby Agricultural Show, 37

- * — Gas Producers for, 575, 580

  • -- Olympia Exhibition, 576
  • — Steam and Electric, Municipal Work, 736

— * Lorry, Steam, Clarkson Coke-Fired, 275*, 630*. See 575, 579 — * Manufacturers and Traders, Society of, Tractor Trials, 446, 481 ; Olympia Motor Show, 670 ; Annual Dinner, 671 — * Marine. See Engines — * Omnibus Schemes in Parliament, 766 — * Omnibuses, Trackless Trolley System, York,

  • 354
  • Paraffin. See Engines, Oil

— * Petrol. See Aeronautics ; Engines, Petrol ;

  • Motor Cars ; Tractors
  • Plough. See Tractor

— * Road Roller, Ruston & Hornsby, Ltd., 759 ; Barford & Perkins, Ltd., 884* — * Ships, Auxiliary Machinery for, 374*, 435* " Cargo Shipper," Converted Sailing Vessel, 221

  • Diesel-Electric System, 765
  • " Malaya," East Asiatic Co., Ltd., 195 — " Malia," Cammellaird•Fullagar Engines, 503
  • Number and Tonnage Owned, 157.
  • — — " Scottish Standard," Trials of Diesel
  • Engines, 133. See 123
  • Tabulated Data, 168. See 143

— * See also Marine Propulsion Spirit. See Motor Fuel — * Tractors. See Tractors — * Trans129*port, Impact of Wheels on Road, 119,

  • by Railway Companies, 156, 220. See 285, 765

— * Road Construction and Vehicle Design, 119, 129* — * in Roumania, 352 — * Slippery Roads and Horse Traffic, 733. See 738 — * Tyre Moulds, Boring and Turning Mill for, 888* — * Wagons. See Motor Lorries ; Tractors Winch, Parsons Motor Co., Ltd.,

  • 25*
  • Mott, W. R., on Arc Images in Chemical Analysis, 226
  • Moulding Machines and Foundry Costs, 895

— * See also Foundry

  • Moulds, Motor Car Tyre, Boring and Turning
  • Mill for, 888*
  • Mountain, W. C., on Steam versus Electric
  • Winding, 141, 166
  • Muir, W., & Co., Ltd., Puncher Type Slotting
  • Machine, 811*
  • Multitubular Boilers. See Boilers
  • Mumford, E. R., on Cavitation, 85*, 114
  • Municipal Councils and Engineering Work, 545

— * Electric Supply and Trade Union Action, 705 — * Electricity Undertakings, Supply of Fittings, 734 — * Refuse, Collection and Disposal (Review),384 — * Disposal, London Area, 737, 889 — * Tramways. See Tramways

  • Museum, South Kensington, Report on, 191 Musker, A., on Loading and Unloading Ships' Cargoes, 52, 81
  • N
  • NAPIER'S Bones, Arithmetical Calculations,
  • 601. See LETTER, 661
  • National Bankruptcy, Meaning of, 107

— * Certificates. and Diplomas, Institution of Mechanical Engineers, 12 — * Gallery, Illumination of, 213 — * Hall Mark for Engineering Goods, 825 — * Physical Laboratory, Work of, 10*, 98*, 158*, 192*, 211* ; Screw Gauge Measur-ing Machine, 558* ; Aluminium Alloys Research, 594, 613, 624, 644

  • Naval Aeronautics. See Aeronautics
  • Naval Architects, Institution of :—
  • Scholarships in Naval Architecture and Marine Engineering, 15
  • Naval Architects and Marine Engineers, Society of : W. E. Thau on Motor Arrange¬ments for Ship Propulsion, 765 ; W. A. Dobson on the Registration and Classifica¬tion of American Vessels, 794 ; :Rear-Admiral H. H. Rousseau on Port Facilities 704 ; W. L. Marvin on Competition of American and Foreign Vessels, 794 ; E. H. Rigg on Design and Construction of U.S. Passenger Steamers, 836, 847*
  • Naval Architecture, Improved Double Bottom
  • Construction, 72*
  • — — Pressures on Rudders, 651*
  • — — Scholarships in, 15
  • — — U.S. Passenger Steamers, Design and
  • Construction, 836, 847*
  • — Watertight Subdivision of Ships. See
  • Watertight
  • — — See also Warships

— * Cordite Factory, Coal and Ash-Handling Plant, 706* — * Operations in Great War, History (Review), 767 — * Policies, French, 318

  • — Powers, Disarmament Proposals, 704, 858 — — Warships Built and Building, 194. See 223
  • — and Shipping Annual, Brassey's (Review), 798

— * Warfare. See Warships — * See also Warships

  • Navigation, Aerial. See Aeronautics and
  • Telegraphy, Wireless

— * Inland, Proposed Organisation of Canals,

  • 156. See LETTER, 220
  • — in Roumania, 352

— * Wireless Telegraphy in. See Telegraphy, Wireless

  • Navvy, Steam. See Excavating Machine Navy, British. See H.M. under Warships

— * German. See German under Warships — * United States. See United States under Warships — * See also Naval ; Warships ; and PARAGRAPH

  • INDEX
  • Neale Submarine Lifting Magnet, 311
  • Necol Industrial Collodions, Ltd., Plastic Wood,
  • 785
  • Negatron Valve, Wireless Telegraphy, 584*
  • See 409
  • Nelson, R., on Coal Cleaning Processes, 24, 45,
  • 76 ; on Waste Heat Utilisation, 89
  • New Jersey, Central Railroad of, Locomotive
  • Ash-Pits, 125*

— * Modderfontein Mine, Air Compressor for, 535*. See LETTERS, 661 — * South Wales, Sydney Harbour Bridge, 880* — * York Central Railway, Container Cars, 820* Newspapers, Railway Rates for, 705

  • Niagara Power Plant, Hydraulic Turbine and
  • Generator, 296*, 403* Nickel-Aluminium-Copper Alloys, Properties
  • of, 453*. See 448

— * Chromium Steel, Curves of Heat Treat¬ment, 552*. See 384

  • — Steel Turbine Blades, Failures in U.S. Destroyers, 615*, 647*. See 636

— * World's Output, Effect of War, 165. See 139

  • Nicou, P., on French Iron Ore Deposits, 383 Nidd Valley Hydro-Electric Power Plant, 817* Niles-Bement-Pond Co., Turning and Boring
  • Mill, 888*
  • Nitrates, Production of, Statistics, 345
  • Nitric Acid, Production by Gaseous Explosions, 230
  • Nitrogen Fixation, •German Plant Explo-sion, 443

— * — Musser Process, 230 — * Liberation from Coal and Coke, 562 — * Products, Statistics, 345

  • Noble & Lund, Ltd., Railway Wheel Lathe,
  • 280*
  • Nomenclature of Oils, 418
  • Nomographic Chart for Gases, Internal Com
  • bustion Engines, 302*
  • Non-Conducting Covering3. See Heat In
  • sulation.

— * Ferrous Metals. See Metals ; Metallurgy Nordberg Manufacturing Co., Winding EnOnes, 565*, 628*, 694*, 752*

  • North Circular Road, London, 191
  • North East Coast Institution of Engineers and Shipbuilders :
  • Middlesbrough Branch, 480
  • Maritime Risks, by Sir W. S. Abell, 668 Protecting Merchant Ships against Sub
  • marines, by Sir E. H. T. d'Eyncourt,
  • 787*
  • Maag Gearing, by Eng.-Lieut.-Comman-der L. J. Le Mesurier, 801*
  • Railway Electrification, by Sir V. L. Raven, 858
  • North Eastern Marine Engineering Co., Ltd., Machinery of S.S. " P.L.M. 20," 339*
  • - — Railway, Train Loads on, 765, 810 ;

Electrification of, 858 — Kansas City Bridge, Vertical Lift, 234* — Notes from, 15, 59, 105, 153, 187, 221, 253, 283, 315, 347, 377, 411, 443, 477, 541, 571, 603, 633, 665, 697, 729, 761, 791, 823, 855, 887. See PARAGRAPH INDEX Norway, Christiania, Free Port for, 728 — * Export of Electric Energy, 259 — * Herlandsfossen Power Plant, 497*, 531* Notched-Bar Tests. See Tests (Materials). Notes on New Books. See Books and LITERATURE INDEX

  • - See Cleveland; North ; South West; South Yorkshire; and Industrial. See also PARAGRAPH INDEX
  • Nozzles, 12,500 kw. Turbo-Generator, 874*
  • - Condensation of Steam in, 750
  • - Flow of Air and Steam Through, 750
  • — for Measuring Delivery, Air Compressor Tests, 536*. See LETTERS, 661; See also 461*
  • Nydquist Holm Aktiebolag. Locomotives for Russia, 695*

Obituary :

  • Observatory, Edinburgh, Microchronograph at, 500*

— * Geophysical, Lerwick, 500

  • and Reflecting Telescope, Canadian Govern¬ment, 207*, 240*, 269*. See LETTER, 249. See also 501
  • Oceanography, Internal Movements in Sea, 499 Of cini Meccaniche, Societa Anonima, Turbine Locomotive, 728*. See 477
  • Oil Consumption, Marine Diesel Engines, 143, 168

— * Emulsions, Separation of Oil and Water, 771 — * Engines. See Engines, Oil ; Motor Cars ; Tractors — * Field, Egyptian, Geology of, 608 — — Elimination of Waste, 670. See 827. — * Fired Tunnel Ovens, Oilgas, 537 — * Fuel for Boiler Firing, Report, 321

  • — — Burner, Cleary, Domestic Use, 672
  • — — Burner, Rotamiser, 631*
  • — — Burner, Wallsend-Howden, 246*
  • — — Combustion of, 636

— * — Comparisons with Coal, 417

  • — — Comparisons with Colloidal and Pul
  • verised Fuels, 90. See Erratum, 149
  • — — for Heavy Oil Engines, 91
  • — — Installation, Wallsend-Howden System,
  • S.S. " Paris," 246*
  • — — Marine Propulsion, Development, 639
  • — — Monopoly of Supply, 417
  • — — Olympia Conference on, 417
  • — — and Pulverised Coal. See Colloidal Fuel

— * — Quimby Screw Pump for, 884* — — on Ships, Board of Trade Rules, 372 — * Lubricating, Effect of Fatty Acids, 10 — * Mexican, Statistics, 828 — * Motors. See Engines, Oil ; Motor Cars ; Tractors — * Nomenclature and Specifications, 418 — * and Paint Storage Plant for Shipyard, 632* — * Petroleum, World's Resources, 571. See 27, 139, 165 — * Power Transmission by, 671 — * Production, Improved Methods, 827. See

  • 670
  • — — from Shale, 27

- * — of the World, 27. See 139, 165, 571 — * Switches. See Switchgear — * Tank Steaniers, Number and Tonnage

  • Owned, 157
  • — — Steamers, Protection against Submarines,
  • 789*
  • — — Steamer " San Felix," 441*

— * Tractors. See Tractors — * World's Output, Effect of War, 139, 165, See 27, 571 — * See also Imbrication; Petroleum

  • Oilfields, Elimination of Waste, 670. See 827
  • Oilgas, Oil-Fired Tunnel Ovens, 537
  • Olympia. See El hibition
  • Omnibus, Motor. See Motor Omnibus
  • Omnibuses, Trackless Trolley, York, 354
  • Omori, F., on Vibration of Wireless Tower,
  • 196*
  • Open-Hearth Furnace. See Furnace
  • Opening Bridges. See Bridges
  • Oppau Nitrogen Plant, Destruction of, 443
  • Optical Indicators, Comparisons with Piston
  • Type, 94

— * Investigation, Effect of Scratches on Strength of Materials, 56, 81 — * Properties of Gold Films, 878 — * Pyrometers. See Pyrometers — * Rotatory Dispersion, 33

  • — Work of N.P.L., 213
  • Optics, 72 in. Reflecting Telescope, Canadian
  • Government, 207*, 240*, 269. See
  • LETTER, 249. See also 501
  • — Prisms, Measuring Angles, 213
  • Orcutt, H. F. L., on Motor Car Gear-Boxes,
  • 830*, 870*, 897*
  • Ore, Iron, French Deposits, 383. See 418

— * — World's Output, Effect of War, 140, 165 — * Uranium, Occurrence and Treatment, 841 Organic Chemistry. See Chemistry Originality in Secondary Schools, Younger

  • Research Prize, 17
  • Ormandy, Dr., on Liquid, Colloidal and
  • Powdered Fuels, 90. See Erratum, 149 Oscillations, Electric. See Electric and Tele
  • graphy, Wireless
  • Osglim Electric Lamp, 450*

Ovens, Coke. See Coke Ovens — * Tunnel, Marlow Gas-Fired, 536 — — Oil-Fired Oilgas, 637

  • Overhead Cranes. See Cranes

— * Distribution, Electric Power, Low Voltage, 87, 117

  • Overseas Representatives, British Engineering Firms, 317

— * Trade and British Manufacturers, 540

  • Owens, Dr. J. S., Experiments on Air Lift Pumping, 468*, See 430. See LETTER, 693 ; on Suspended Impurity in City Air, 556*. See 12, 531, 737
  • Oxy-Acetylene Cutting Machines, Davis-Bournonvillo Co., 274*, 307, 356*

— * — Welding. See Welding

  • Oxygen Breathing Apparatus, Mine Rescue
  • Work, 668*. See 431
  • Oxygraph Oxy-Acetylene Cutting Machine,
  • 307*. See 274*, 356*
  • P.
  • " P.L.M. 20," Cargo Steamer, 839*
  • Pacific Type Locomotives, United States
  • Railways, Tabulated Data, 744
  • Paint and 011 Storage Plant for Shipyard, 632*
  • — White Lead in, Case against Prohibition,
  • 323. See LETTER, 451
  • Paish, Sir G., on British Railways, 826
  • Pallas Petrol Gauge for Motor Cars, 693*
  • Pan Grinding Mills, Electrically Heated, 852*
  • Papers for Technical Societies, Preparation of,
  • 514
  • Paraffin Engines. See Engines, Oil

— * Tractors. See Tractors

  • Paris Aeronautical Exhibition, 705, 862

— * French Atlantic Liner, 06*, 181*, 246* — * Lyons & Mediterranean Railway, Collet System of Track Repairing, 281 ; Cargo Steamers, 339* — * Meeting, Iron and Steel Institute. See Iron and Steel

  • Parliament, Engineering Schemes in, 766 --Houses of, Illumination, 213
  • Parsons, C. A., & Co., Ltd., Regainer for Colliery Fan, 659*

— * Motor Co., Ltd., Motor Winch, 25* ; Auxiliary Machinery for Motor Ships, 374* — * Turbines. See Turbines, Steam ; Marine

  • Propulsion
  • Partington, J.,
  • on Waste in Locomotive Operation, 743*
  • Passenger Steamers. See Steamers .
  • Patchell, W. H., on Air Heaters, 92. See 57* Patents, Claims Concerning Parts, 809

— * Effect of War Delays in Acceptance, 156 — * Electric Propulsion of Ships, 220 — * Extension Case, Shipbuilding System, 447 — * Foreign, Applications for, 607 — * International Convention and Third Party Rights, 607 — * Machine Gun, Legal Point, 809 — * Office, United States, Permanency of Type¬written Documents, 259 - * Record, 171*, 205*, 237*, 300*, 331*, 361*, 396*, 494*, 525*, 620*, 682*, 713*, 746,* 808*, 840*, 902*. See PATENT RECORD INDEX

  • Pattern Shops, E. Allen & Co.'s Works, 335*
  • Patternmaking, Plastic Wood for, 785
  • Paul, J. W., Investigations of Motor Car
  • Exhaust in Tunnels, 872
  • Paulista Railway, Electric Locomotives, 854*
  • Payment of Labour. See Labour
  • Pearson, R. J. A., the Late, 194
  • Peat Production and Use, 15. 27, 28

— * Carbonisation in Vertical Retorts, 545 Pens, Recording Instrument, Hypodermic Needles, 612

  • Penallta Colliery, Tests of Air Compressor for, 535*. See LETTERS, 661
  • Pencoyd Formula, Impact Stresses on Bridges, 50, 80, 118, 189, 350, 881
  • Pennsylvania Railroad, Decapod Locomotive for, 745* ; Electric Locomotives, Thrust on Rails, 793
  • Periodicity Measurements, Vibrations, Appa-ratus for, 469*
  • Permanent Way Repairing, Collet System, 281 Permeability, Concrete, Ferro-Concrete Work, 40, 73. See 23.

— * Gas, of Airship Fabric, Measuring, 57* Petrol Gauge, Pallas, for Motor Cars, 693* — * Motors. See Aeronautics ; Engines, Petrol ; Motor Cars ; Tractiprs — * Tanks, for Aircraft, Air Ministry Com-petition, 323, 769 — * Tractors. See Tractors

  • Petroleum Fields, Elimination of Waste, 670.
  • See g27

— * Mexican, Statistics, 828 — * Production, Improved Methods, 827. See

  • 670
  • — — of the World, 27. See 139, 165, 571

— * Technologists, Institution of : Dr. W. F. Hume on the Geology of the Egyptian Oil Field, 608 ; A. B. Thompson on Oil¬field Waste, 670. See 827 ; A. F. Dabell on Better Production Methods, 827. See 670 — * World's Output, Effect of War, 139, 165 — * World's Resources, 571. See 27, 139, 165 — * See also Oil ; Engines, Oil

  • Petter, E. W., on the Industrial Crisis, 574 Philadelphia, Schuylkill Power Station, Burst
  • ing of Turbine Wheel, 829* Photo-Elasticity. See Optical Investigations — — Electric Emission, Theory of, 432 Photographing Projectiles in Flight, 12 Photographs, Aeroplane, Mapping from, 557*

— * of War Areas, France and Flanders (Review), 798

  • Photography, Hints to Travellers (Review), 815 Photometer Lamps, Automatic Voltage Regulator, 711

— * Sphere, at N.P.L., 213

  • Photometry, Work of N.P.L., 212 Photomicrographs. See Microphotographs Physical Chemistry. See Chemistry

— * Laboratory. See National Physical

  • Physical Society :
  • Use of Anderson's Bridge for the Measure¬ment of the Variations of the Capacity and Effective Resistance of a Con¬denser with Frequency, by S. Butter¬worth, 711
  • Earth Capacity Effects in Alternating Current Bridges, by S. Butterworth, 711
  • Automatic Voltage Regulator, by F. G. H. Lewis, 711
  • Flow of Viscous Liquids through Conical Tubes, by Prof. A. S. Hemmy, 711 Discussion on Hygrometry, 890
  • Physics, Aggregation ando Flow of Solids
  • (Re view), 878
  • — Fluorescence, Time Interval, 433*

— * Four-Dimensional, 501 — Fusion of Carbon, 352 — * Optical Rotatory Dispersion, 83

  • Physics, Quantum Theory, Discussion on, 434, 467

— * Radiation and Absorption by Atoms, 468 — * Structure of Atoms and Moledules, 629,

  • 827
  • — of Gaseous Molecules, 827

— * Surface Tension Measurements at Extreme Temperatures, 530 - * Temperature Measurement (Review), 260 - * Thermionic and Photo-Electrio Emission, 432 — * See also Physical Society and PARAGRAPH INDEX

  • Pickling Steel, Brittleness Produced by, 226 Pier Construction, Schemes in Parliament, 767

— * Ferro-Concrete, Deterioration and Pro-tection, 23, 40, 73

  • — and Foundations, American Vertical Lift Bridges, 201, 264*
  • Piercing Machine, Billet, Rotary, Tube Manu-facture, 397*,
  • 429*, 496*, 627*. See LErrtits, 612, 660
  • Pig Iron Prices. See Metal-Price Diagrams Piggott, T., & Co., Ltd., Sulphate of Ammonia Plant, 135*
  • Pile Driving, Gauging Penetration, 128, 131*. 684*. See LETTERs, 766, 861

— * Safe Loads on, 684. See LETTERs, 766, 851

  • Pilot Balloons. See Aeronautics
  • Pine, Scots, Mechanical Properties, 387*, 405
  • Pinions. See Gears ; Gearing
  • Pipes, Cast Iron, Water, Corrosion of, 145, 168

— * Fluid Flow in, Boundary Conditions, 10* — * Ferro-Concrete, Water Supply, 145, 168 — — Concrete, Winnipeg Aqueduct, Con¬struction of, 624* — * Gas, Corrosion of, 563

  • — Incrustation and Iron Bacteria, 457*.
  • See 480

— * Joints, Ball and Socket, Grain-Handling

  • Plant, 371*
  • — — " Victaulic," 375*

— * Line, Nidd Valley Power Plant, 817* — * Steam. See Steam Pipes — * See also Tubes

  • Pipettes, Notes on, 854
  • Pistons, Aluminium Alloy, for Aero Engines,
  • 613. See 595, 625
  • Pit Props, Scottish Timbers for, 405
  • Pith Balls, Behaviour in Ionized Atmosphere,
  • 434
  • Pitot Tube, Investigation of Fluid Flow in
  • Pipes, 10*
  • Pitting. See Corrosion
  • Pittsburgh, Moving Buildings in, 842*
  • Planck's Quantum Theory, Discussion on, 434,
  • 467
  • Planing Machine. See Machine Tools Plantation Rubber, Uniformity of, 733 Plastic Wood for Pattern Making, &c., 785 Plate-Flanging Machine. See Machine Tools

— * Girders, Stresses in Webs, 349 — * Shearing Machine. See Machine Pools — * Steel, Hydraulic Flanging Press for, 72* — * Steel, Prices. See Metal-Price Diagrams — * Thick, Calculation of Strength, 209*, 245*. See Errata, 246, 283 — * Thin, Heat Emission in Air Currents, 10 Plating, Ships', Stresses due to Fluid Pressure,

  • 368*, 405. See LETTERS, 410* 486, 540*,
  • 567, 612, 640, 693
  • Platinum Resistance Pyrometers. See Pyro¬meters
  • Plough, Motor. See Tractor
  • Ploughing, Cable, Oil Tractor for, 36*

— * Trials, Agricultural Tractors, Shrawardine, 446, 481 — * — French, Agricultural Tractors, 676 Pneumatic Grain Elevators, Port of London, 864*. See 859*

  • — — Handling Plant, Bordeaux-Bassens, 312*, 370*

— * Hose Coupling, 215* — * Tools. See Machine Toole — * See also Compressed Air • Air Compressor

  • Poison Gases in Warfare, 382
  • Poisoning, Carbon Monoxide Gas, 259. See 319

— * Industrial, Susceptibility and Immunity,159 — * White Lead, among Painters, 323. See LETTER, 451

  • Polarised Light. See Optical Investigations, Stress Distribution
  • Polishing Metals, Investigations of (Review), 878
  • Political Economy, Finance and Taxation in United States (Review), 614
  • Pollard, F., & Co., Ltd., Drilling Machine Details, 783*
  • Pollock & McNab, Ltd., Turret Lathe, 758* Pollution, Atmospheric, by Chemical Works, 190

— * of Atmosphere by Smoke, 554*, 656*. See 12, 531, 737

  • Pooley & Austin, Ltd., Rotary Pump, 416*. See 68*
  • Poplar Power Station, Ash-Handling Plant, 231*.
  • Port Facilities and Development of United States Shipping, 794

— * Free, for Christiania, 728 — * of London, Royal Albert Dock Extension, 2*, 109 ; Shipping Statistics, 381; Pneu¬matic Grain Elevators, 864* See 859* — * r f Shanghai, Possibilities of Improving, 797 Portable Engine. See Engine — * Machine Tools. See Machine Tools

  • Portevin, A. M., on Tungsten and Molybdenum Steels, 372* ; on Heat Treatment of Steel, 551*. See 384
  • Portland Cement. See Cement
  • Portobello Power Station, Edinburgh Corpora-tion, 422*
  • Portugal, San Domingos Mine, Air Lift Pump, 460*. See 430, 693
  • Positive Rays and Chemical Analysis (Review), 846
  • Pot Clays, Stourbridge, Compositions, 601 Potentials, Contact, of Metals, Theory of, 432 Pottery, Oil-Fired Tunnel Oven for, 537

— * Tunnel Oven, Marlow Gas-Fired, 536

  • Poulton, E. L., on Capitalism, 379. See Erratum 419
  • Powdered Coal. See Pulverised Coal
  • Power Alcohol. See Alcohol ; Allotor Fuels

— * Electric, Economic Limits of Distribution,

  • 117, 128*
  • — — Export from Norway to Sweden, 269

- * Joint Supply in Midlands, 191, 226 - * — Long-Distance Transmission, 409, 687* - * — Low Voltage Overhead Distribution, 87, 117 — * — Municipal Supply and Trade Union Action, 705 — * Use in Mineral Industry, 24, 44, 76 — * Factor Improvement, Electric Distribution Systems, 47, 79 — * Gas. See Producers ; Engines, Gas — * Hammer. See hammer under Machine Tools — * Plants, Advantages of Automatic Stokers, 91 - * — Heat, Thermal Efficiency, Means of Improving. See Mechanical Engineers — * — Engine House Losses, 68 — Feed Heating and Economisers in, 04 — Hydro-Electric, Civil and Mechanical Engineering (Review), 736 — * Hydro-Electric, in Formosa, 159 — * Hydro-Electric, Herlandsfossen, 497*, 531* - * — Hydro-Electric, Hydraucone Regainer

  • for Turbines, 293*
  • — Hydro-Electric, Niagara, Turbine and
  • Generator for, 296*, 403*
  • — — Hydro-Electric, Nidd Valley, 817*

— * — Hydro-Electric, Schemes in Parliament, 767. — * — Hydro-Electric, in Scotland, Linking up, 410. See 406

  • — — Hydro-Electric, and Water Shortage in California, 288

— * Steam and Mercury Vapour, 64* - * — Wind-Driven Electric, Wilkinson System, 282

  • — — See also Power Stations ; Power, Water ; Sub-Stations

— * Press. See Machine Tools — * Production, Coal and Water, Canada, 890 — * Oil Fuel for, 417 — * — from Sewage Gas, 456*. See 431 - * — Utilisation of Exhaust Steam, 24, 42, 74, 141, 165*. See Errata, 153 — * — Waste Heat, Gasworks, 24, 45, 77

  • — for Ship Propulsion, See Marine Propul
  • sion ; Ship Resistance

— * Stations, Boiler House Management, 67, 92. See LETTER, 149 — * — Electric, Old and Modern Plant, 514 — Electric, Blackburn, Opening, 608 - * — Electric, Coal Fired, Economic Limits of Distribution, 117, 128*

  • — — Electric, Edinburgh Corporation, 422* — — Electric, Liverpool, Turbo-Generator for, . 873*
  • — — Electric, London, Unification, 857. See 638

— * — Electric, Poplar, Ash-Handling Plant, 231*

  • — —Schuylkill, Philadelphia, Bursting of Turbine Wheel, 829*

— * — Utilisation of Waste Heat, 89 - * — See also Power Plants ; Sub-Stations — * Supply, Electric, Co-ordination of, 638, 857 — — Electric, Greater London, Unification, 857 — * Electric, Local Authorities and Fittings,

  • 734
  • — — Electric, Power Factor Improvement, 47,
  • 79
  • — — Electric, Schemes in Parliament, 767

— * Tidal, Analysis of Severn Scheme, 424*. See 406, 422. See LETTER, 540 Transmission of Electrical Energy, 409, 587* — * Transmission, High-Tension Electric, Inter-national Conference, 673 — * — by Oil, 671 — * — Superposed Belts, 262

  • — — Testing Machine, Spur and Chain Gears,
  • 11*
  • — — See also Gearing ; Marine Propulsion

— * Water, British Empire Resources, 639, 828

  • — — Canadian Resources, 226, 890
  • — Civil and Mechanical Engineering (Re
  • view), 736
  • — Formosa Development, 159
  • — — German Resources, 15
  • — — Hydraucone Regainer for Turbines, 293*
  • — — in Mineral Industry, 24, 44, 76
  • — — Need for Utilisation, 828
  • — — Nidd Valley Installation, 817*
  • — — Report of Committee, 639
  • — — Research Required, 421. See 406
  • — — in Scotland, Schemes in Parliament, 767
  • — of the World, Development, 420. See
  • 406
  • — — See also Hydraulic ; Power Plants, Hydro
  • Electric ; Turbines, Hydraulic
  • Powering of Ships (Review), 161
  • Premium Pupils and Apprentices, 667
  • Presidential Address to British Association, by
  • Sir E. Thorpe, on Problems of Science, 381

- * — to British Association (Chemical Sec¬tion), by Dr. M. 0. Forster on Bio-chemistry, 529

  • — — to British Association (Economics Section), by W. L. Hichens, on Wages Determination, 445
  • — — to British Association (Engineering Section), by Prof. A. H. Gibson, on Water Power, 420. See 406

— * — to British Association (Physical and Mathematical Section), by Prof. 0. W. Richardson, on Problems of Physics, 431 — * — to Institution of Automobile Engineers, by G. W. Watson, on Standardisation, 573 — * to Institution of Civil Engineers, by W. B. Worthington, on Railway Mainten¬ance and the Civil Engineering Profession, 635, 646

  • — to Institution of Electrical Engineers, by J. S. Highfield, on The Training of Mechanics, 667
  • — — to Institution of Engineers and Ship-builders in Scotland, by H. E. Yarrow, on Shipbuilding Researoh, 574
  • Presidential Address to Institution of Gas Engineers, by T. Goulden, on the Gas Industry, 546
  • — — to Institution of Mining Engineers, by
  • Sir J, Cadman, on Mining Industry, 418 — to Institute of Transport, by Sir H. P.
  • Maybury, on Road Development, 576
  • — — to Junior Institution of Engineers, by
  • H. I. Brackenbury, on Waste, 514 • — — to Junior Institution of Engineers, by C. H. Wordinghain, on a National Proving House, 826

— * to Manchester Association of Engineers, by F. J. West, on Industrial Economics, 545

  • — to Trades Union Congress, by E. L. Poulton, on Capitalism, 379. See Erratum, 419
  • Press, Baling, Hay or Straw, Ruston ez. Horns¬by, Ltd., 38*

— * Briquetting, Duplex, for Coal, 689* — * Work, Sheet Metal, Motor Car Indu.stry,523* — * See also Machine Tools

  • Pressure Conduits. Ferro-Concrete, Water
  • Supply, 145, 168

— * Earth, Theories of, 123, 132 — * Fluid, Stresses in Ships' Plating, 368*, 405. See LETTERS, 410*, 486, 540*, 567, 612, 640, 693

  • Prices of Metals. See Metal-Price Diagrams Priestman Brothers, Ltd., Grab Ditching Machine, 722*
  • Primary Battery. See Cell under Electric Printing Machinery, Electrically-Driven, Inch¬ing Starter for, 99*
  • Prisms, Hollow Quartz, Construction of, 468*

— * Measuring Angles, 213

  • Producer Gas Engines. See Engines, Gas
  • — Fuels for, Laboratory Tests and Results,
  • 668
  • — — Installations, Carbon Monoxide Poison
  • ing, 259. See 319
  • — — for Motor Lorries, 575, 580

— * Plants, Suction Gas, Derby Agricultural Show, 8*, 9 — * Suction Gas, Wood Refuse, Davey, Paxman & Co., Ltd., 8*

  • Production, Engineering, Increasing, Em¬ployers' Part, 156

— * Engineers, Institution of, 156

  • Profession, Engineering as, 692, 756, 785, 819,
  • 851 (see Erratum, 887), 886
  • Profits, Industrial, Basing Wages on, 61

— * Sharing. See Labour

  • Projectiles, Forging, Treatise on (Review), 450

— * Hot Drawing on Mandril, 678*. See LETTER, 693 — * Photographing in Flight, 12

  • Propaganda, Industrial, Among Workers, 763
  • Propellers, Aerial. See Aeronautics

— * Marine, Cavitation Phenomena, 114

  • — Detail Design (Review), 322
  • — — N.P.L. Experiments, 99

— * Shafts, Torsional Vibrations, 363*. See LETTERS, 661

  • Propulsion of Ships. See Marine Propulsion ; Engines ; Turbines ; Propellers ; Ship Resistance
  • Proving House, Suggested National, 825
  • Public Works Exhibition, Agricultural Hall, 734*. See 752, 759*, 769, 853* ; Congress, 737
  • Pullman Cars, London, Brighton & South
  • Coast Railway, 217
  • PuLsometer Engineering Co., Ltd., Stereo
  • phagus Pump, 644*
  • Pulverised Coal, Comparisons with Oil and
  • ' Colloidal Fuels, 90. See Erratum, 149
  • — — Cost of Preparing, 204
  • Pulveriser, Gannow, for House Refuse, 735.
  • See 890
  • Pump, Air Lift, for Acid Mine Liquors, 460*.
  • See 430, 693
  • — Lift, Experiments on, 430, 458*. See
  • LETTER, 693
  • — — Scavenging, Diesel Engine, 722*
  • — See also Air Compressors
  • Aquatole Spring Belt Type, 37, 417

— * Boiler Feed, the Anthony, 658* — * Centrifugal, Ceratherm, for Chemicals, 852*

  • — — for Floating Docks, 742*. See 720
  • — Development of, 430, 642*
  • — for Drainage, at Memphis, 643*
  • — — Flexala, 64:3*
  • — — Materials for Construction, 642
  • — — Medium Lift, and Characteristic Curves,
  • 644*
  • — — Stereophagus, for Sewage, 644*

— * Turbine-Dtiven, Comparisons with Re¬ciprocating Pumps, 23, 42, 74. See LETTER 279. See also 430, 644* - * — Turbine, High-Pressure, Multi-Stage, 644* — — Twin-Impeller, with Geared Turbine Drive, 644*

  • Endless Belt Type, 37, 417
  • — — Rope Type, the Hydrohoist, 759
  • — Feed-Water, for Locomotives, Weir's, 150* — Fire and Washdown, for Floating Docks, 773* Hydraulic, E. Allen & Co.'s Works, 272*

— * Hele-Shaw System, Spring Buckling

  • Press, 502*
  • — Stainless Steel Rams, 594*

— * Measuring, for Paint and 011, 632* — * Rotary, Quimby Screw Type, 884*

  • — Vacuum Turbo-, and Reciprocating, for Grain
  • Elevators, 313*, 859*, 862

— * Valveless, Cam and Rubber Belt Type, 416* — — Cam and Rubber Tube Type, 58* Pumping Engines, Reciprocating, and Turbine

  • Driven Pumps, Comparisons, 23, 42, 74.
  • See LETTER, 279. See also 430, 644*

— * Machinery for Floating Docks, 739*. See

  • 720, 772*
  • Purification, Sewage. See Sewage

— * Water. See Water

  • Push Button Switch, Magnetic Blow-Out, 101*
  • Pyne, Sir T. S., the Late, 409
  • Pyrograph Oxy-Acetylene Cutting Machine,
  • 366*. See 274*, 307*
  • Pyrometer, Optical, Portable, Dr. Griffith's,
  • 193k
  • Pyrometry, Foundry, Horwich Works, 8:36

— * Treatise on (Review), 260 Q. *

  • QUADRUPLE - Expansion Engines. See
  • Engines
  • Quantum Theory, Discussion on, 434, 467
  • Quartz, Effect of Temperature on Elastic
  • Modulus, 193
  • — Interferometer Tubes and Prisms, Con
  • struction of, 468*
  • Quays, Deep-Water, Design of, 822
  • Quay Walls, Stability of, 822
  • Quebec Bridge, Comparison with Forth Bridge,
  • 531
  • Quenching of Steel. See Heat Treatment
  • under Metallurgy
  • Quicksilver. See Mercury and Metal-Price
  • Diagrams
  • Quimby Screw Pump, 884*

R. *

  • R. 38, Airship, Loss of, 320, 545. See 347, 651* Radial Drill. See Drill under Machine Tools

• * — Transporter, Coal-Handling, Holton Heath Cordite Factory, 707*

  • Radiation and Absorption by Atoms, 468

— * in Chemical Reactions, 512. See 411 — * Pyrometers. See Pyrometers — * Quantum Theory, Discussion on, 434, 467 — * X-Rays, Energy of, 469

  • Radioactivity and the Age of the Earth, 498

— * Properties and Uses of Uranium, 841 Radiograph Oxy-Acetylene Cutting Machine,

  • 274*, See 307*, 356*
  • Radiotelegraphy. See Telegraphy, Wireless Radium, Precautions for Handling, 13

— * Testing at N. P. L., 211

  • Railless Electric Traction, Omnibuses at York,
  • :354
  • Railroad, Erie, Locomotive for, 745*

— * Central of, New Jersey, Locomotive Ash-Pits, 125* — * Pennsylvania, Deca,pod Locomotive for, 745 '• Electric Locomotives, Thrust on Rails, 793 — * Virginian, Mallet Locomotive for, 745 — * See also Railways

  • Railway Accidents. See Accidents

— * Bridge. See Bridge

  • — British, Competition with Canals, .156.
  • See LETTER, 220

— * — Increasing Loading Gauge and Clear

  • ances, 20, 30
  • — — Effects of New Bill, 285

— * — Future of, 826 - * — and the Great War (Review), 845

  • — — Higher Labour Costs, 826
  • — — 1920 Statistics, 764. See LETTER, 819
  • — — Structural Outlines, 20, 30

— * — Train Loads on, 765, 819, 827 — * Carriage. See Carriage — Chilian, Electrification of, 797 — * Companies and the Carriers' Act, 545 — * — Competition with Coastwise Shipping, 32, 111, See 109 — * — and Road Transport, 156, 220. See 285, 765 — * Electric, Comparisons of Steam and Electric Locomotives, 138, 164. See 50, 793, 859 — * Electrification, North Eastern, 858 — * — Working Advantages, 858 — * Great Northern, Dining Car Train, 570 — * Indian, Gauge Problem, 696

  • — — Locomotive Building in India, 514 '

— * — Reports on Bridges, 349 — * Japanese Government, jubilee, 311 Lancashire & Yorkshire, Horwich Works, Foundry Control, 832* — * Locomotive. See Locomotive — * London, Brighton & South Coast, Re-construction of Ebury-Street Bridge, 163*, Pullman Cars for, 217 — * — & North Western, Locomotive Boiler Explosion, 759. See LETTER, 786 — * Midland, Dining Cars, 105 ; Electric Battery Locomotives, 147, 170 — * New York Central, Container Cars, 820* — * Paris, Lyons & Mediterranean, Collet System of Track Repairing, 281 ; Cargo Steamers, 339* - * Paulista, Brazil, Electric Locomotives, 854* — * Rates for Newspapers, 705 — * Rolling-Stock. . See also Carriages ; Loco-motives ; Wagons — * Schemes in Parliament, 766 — * South African, Train Loads on, 701 — * Street. See Tramways

  • — Structures, Maintenance of, 635, 646. See
  • 21, 30, 49

— * Swiss, Zoelly Turbine Locomotive, 292*

  • ' — Track Repairing, Collet System, 281
  • — — Work, E. Allen & Co., 272*

— * Transport, Need for Unification, 544 — — in Roumania, 351 — * Trucks, Revolving Tippler for, Holton Heath Cordite Factory, 706* — * Tunnels, Repairs and Maintenance, 21, 30, 49 — * United States, Locomotive Design and

  • Economical Working, 743*
  • — — States, Train Loads on, 701

— * Use of Ferro-Concrete, 49, 79

  • — — of High Capacity Wagons, 701. See 827

— * Wagons. See Wagons — * Wheels, Lathe for Turning, 280* — * See also Railroads and PARAGRAPH INDEX Rails, Calculation of Stresses, 431 — * Damage by Brakes and Slipping Wheels, 54, 82* — * Steel, Prices. See Metal-Price Diagrams Rainfall Deficiency in California, 288 — * Distribution and Measurement, 256*

  • — and Run-Off Ground, Relationship, 146, 169, 258, 513. See Errata, 195
  • Rambush, N. E.,, Tests of Producer Fuels, 668 Ramsay, A., on Organisation of Industry, 683 Rand Mine, Air Compressors for, 535*. See LETTERS, 661
  • — Water Supply, Vaal River Barrage, 325* Range Finders, Light Transmission, 213
  • Rankine, Prof. A. 0., on Structure of Gaseous Molecules, 827
  • Rankine, W. J. M., the Work of, 861 Ransome, A. & Co., Ltd., Swaging Machine for Band Saws, 186*
  • Ransome Machinery Co., Ltd., Concrete Mixer, 735*
  • Ransomes, Simms & jefferies, Ltd., Electric Run-About Crane, 564*
  • Raven, Sir V. L., Comparisons of Steam and Electric Locomotives, 138, 164 See 793 ; on Railway Electrification, 858
  • Rays, Electric. See Positive ' • ROntgen Reactions, Chemical. See Chem istry
  • Read, Prof. A. A., on Nickel-Aluminium-Copper Alloys, 453*. See 448
  • Reavell & Co., Ltd.,
  • Air Compressors and
  • Turbo-Blower, 435* ; Turbo-Exhausters, for Grain Elevators, 860*, See 865 Recalescence Curves. See Metallwrgy Reciprocating Masses, Balancing, Exponential Analysis, 778*
  • Reconstruction, French Iron and Steel In¬dustry, 383. See 418, 636

— * War Devastation in France, Economic Effects, 636. See 383, 418 — * See also PARAGRAPH INDEX

  • Record Engineering Co., Ltd., Starting Device for Petrol Engines, 437* ; Internal-Combustion Engines, 438* ; Steam Trap, 821*
  • Recording Gas Calorimeters, Report, 546. See 571
  • — Instruments, Hypodermic Needles for Pens, 610

— * Ultra-Micrometer, Thermionic Valve Type, 395*. See 469

  • Rectangular Plates, Two-Dimensional Stresses in, 523*
  • Rectifiers, Mercury Vapour, for Alternating Current, 403. See 588
  • Reduction Gears. See Gears ; Marine Pro-pulsion; Motor-Car .Details
  • Reel, Cable, for Portable Electric Tools, 550* Reflecting Telescope, 72-in., for Canadian
  • Government, 207*, 240*. 269*. See

LETTER, 249. See also 501

  • Refractories, Alumina and Corundum as, 537 Refractory Materials, Effect of Coal Gas, 560 — — Effect of Oxidising and Reducing Atmo
  • spheres, 560
  • — — Hardness Tests at High Temperatures, 377
  • — — of London Basin, 536

— * — Research on, 560 — * — Softening of Fireclay and Silica Mixtures,

  • 560
  • — — Thermal Expansion of Silica, 576*

— * — See also Firebricks ; Fireclays — * Substances, Volatilisation in Electric Arc,

  • 226
  • Refrigerating Plant, West's Ammonia Com
  • pressor,
  • Refrigeration, Insulation of Cold Stores, 606

— * See also Cold Stores

  • Refuse, House, London, Disposal of, 737, 889
  • — — Pulverising Plant for, 735, 890

— * Municipal, Collection and Disposal (Review), 384

  • N.• •••
  • Regainer for Colliery Fan, 659*
  • Regenerative Furnace. See Furnace Registration of United States Shipping, 794 Regulations, Board of Trade, Oil Fuel on Ships,
  • 372
  • Regulators, Boiler Feed-Water, Automatic, 277* 785*
  • Temperature, Samson Automatic, 307*

— * Voltage, Photometer Lamps, 711 Reheating Furnace. See Furnace

  • Reid, H. C., on Dredging and Training Walls in Estuaries, 121, 131
  • Reinforced Concrete. See .Ferro-Concrete Relativity Contraction in Rotating Shaft, 433

— * Prof. A. S. Eddington on, 433

  • Relief Bolts, Electrical Mining Apparatus, 376 Remuneration of Labour. See Labour Repairing Cracks, Copper Tube Plates, Loco¬motive Boilers, 251*

— * Railway Track, Collet System, 281 Repairs, Locomotive, Reducing Cost, 743 — * of Railway Tunnels, 21, 30, 49 — * of Road Appliances, 738 — * Ship, Liability for Negligence, 608

  • Repeated Stresses. See Alternating Stress
  • under Tests (Materials)
  • Report, Alkali Works in 1920, 190
  • — Alloy Steels Research, United States, 892

— * B. A. Committee on Complex Stress Dis-tribution, 408 — * B. A. Committee on Fuel Economy, 531 — * B. A. Committee on Seismological Investi-gations, 499 — * B. A. Committee on Tides, 499 — * British Trade in India, 884 — * Carbon Monoxide in Town Gas, 318. See 259 — * Coal and Water Power in Canada, 890 — * Economic Situation in Austria, 256 —* - Education of Engineers, 705 — * Electricity Commissioners, 638, 857 — * Engineering Standards Association, 236 — * Explosives in 1920, 109 — * Fires in Ships' Bunkers, 892 — * House Refuse Disposal, London Area, 889 — * Incombustible Constituents in Town Gas,

  • 351
  • — Indian Railway Bridges, 349
  • — Industrial Accidents, 224.
  • — — and Scientific Research, 606

— * Liberation of Nitrogen from Coal and Coke, 562 — * Life of Gas Meters, 342, 563 — * Lloyd's Register of Shipping, 639 — * Loss of Airship R. 38 (Z.R. 2), 645. See 320, 347, 651* — * Materials for Aircraft and Aircraft Engines (Review), 485 — * Motor Car Headlights, 671 — * Oil Fuel for Steam Boilers, 321 — * Progress of Applied Chemistry (Review), 227 — * Recording Gas Calorimeters, 546. See 571 — * Railway Accidents, Ministry of Transport, 891

  • Report, Research, Aluminium Alloys, 594, 613, 624, 644

— * — in Electrical Industry, 639 — on Refractory Materials, 560 — * Slippery Roads, Ministry of Transport, 733. See 738 — * South Kensington Museum, 191 — * Spontaneous Combustion of Coal in Mines, 380 in Ships' Blinkers, 892 — * Steaming in Vertical Retorts, Gas Manu-facture, 363, 560 — * United States Advisory Committee for Aero¬nautics, 152 — * Water Gas in Gas Manufacture, 547. See 546 — * Water Power Committee, 639 — * See also Board of Trade

  • Representatives, Foreign, British Engineering
  • Firms, 317
  • Rescue Apparatus, Mine, Liquid Air and Com
  • pressed Oxygen, 568*. See 431

— * Work, Mine, and Organisation (Review), 362 Research, Alloy Steels, United States, 892 Aluminium Alloys, Report, 594, 613, 624, 644 — * Board, Fuel, Peat Carbonisation, 545 — * Electrical Industry, Report, 639 — * Fellowships, British Empire Exhibition, 734 — * Fuel, East Greenwich Station, 564 — * Hydro-Electric Problems, 421. See 406 — * Industrial and Scientific, Report, 606 — * Prize, Younger, Glasgow . High School of Science, 17 — * Proposed, Properties of Steam, 320 — * Refractory Materials, Need for Support, 560 — * Scientific and Industrial, Organisation, 382 — in Shipbuilding and Marine Engineering, 574 — * Work, Electrical Insulating Materials, 639 — * See also National Physical Laboratory Reservoir, Angram, Hydro-Electric Power Plant, 817* — * Birkenhead Water Supply, 286* Resistance, Electric. See Electric — * Pyrometer. See Pyrometer — of Ships. See Ship Resistance — * Units for Motor Starters, 99* — * Welding. See Welding

  • Resonance Effects, Electric Power Transmis-sion, 409, 587*
  • Respirators, Industrial, Dust and Fumes, 672 Retorts, Coal Carbonisation, Coalite Manufac¬ture, 589*. See 68, 110
  • — — Carbonisation, Smith Continuous Pro-cess, 175*. See 68

— * Horizontal, Gas Manufacture, Carbonisa-tion in, 561

  • — Vertical, Carbonisation of Peat, 545 — — Gas Manufacture, Steaming in, 363, 580 Reviews. See LITERATURE INDEX Rheolaveur Coal Washing Process, 24, 45, 76 Ricardo's Compound Internal-Combustion
  • Engine, 70*
  • Rice & Co. (Leeds), Ltd., Hydraulic Flanging Press, 72*
  • Richards, E. H., on Straw Filters for Sewage, 86, 114. See Erratum, 153
  • Richards, E. W., the Late, 701*. See 720 Richards, Dr. J. W., the Late, 664 Richardson, J., on Large Marine Diesel
  • Engines, 143, 168
  • Richardson, Prof. 0. W., on Physical Problems, 431
  • Rigg,—E. H., on U.S. Passenger Steamers,
  • 836, 847*
  • Rigid Airships. See Airships under Aero
  • nautics
  • Riley, A. J., on Seaplanes, 406
  • Ring Turning Tool, Top Rake and Clearance,
  • 95*
  • Rivers, Compensation Water and Water
  • Supply Schemes, 144, 169

— * Estuaries, Dredging and Training Walls, Comparisons, 121, 131

  • — Tidal Flow and Silting, Investigations by Models, 121, 130
  • — Flow, Rainfall and Rim-off Ground, 146, 169, 258, 513. See Errata, 195

— * Maintenance and Land Drainage, 120, 130 — * Scotch, Linking up Small Water Powers, 410. See 406 — * Tidal, Discharge of, Effect of Sluices and Barrages, 121, 130 — * Vaal Barrage, Rand Water Supply, 325* Road Appliances, Care and Upkeep of, 738 — * Construction, Bituminous Macadam for, 120, 128 — * — Concrete Mixing Machines, 734*

  • — — Ferro-Concrete, North London Circular
  • Road, 191
  • — and Vehicle Design, 119, 129*
  • — — Tar Macadam Mixing Machines, 735

— * Developments,London Area, 576 — * Exhibition, gricultural Ball, 734*. See

  • 752, 759*, 769, 853* ; Congress, 737
  • — Ferro-Concrete, and Underground Mains,

• * 738

  • — Improvements, Schemes in Parliament, 767

— * Location, Grading and Drainage, Treatise on (Review), 290 — * Locomotives. See Motor ' • Tractor — * Maintenance, Cost of, 738 — * North Circular, London, 191 — * Roller, Motor, Ruston & Hornsby, Ltd..

  • 759* ; Barford & Perkins, Ltd., 884*
  • — — Steam and Internal Combustion, Public
  • Works Exhibition, 735, 759*. See 752, 884*

- * — Steam, Ruston & Hornsby, Ltd., 38* — * — and Traction Engine, Fowler's Conver-tible, 36

  • — Testing Machine, National Physical Labora-tory, 11

— * Traction, Railless Electric. See Railless — Transport by Railway Companies, 156, 220. See 285, 765

  • — — in Roumania, 352
  • — — Slippery Roads and Horse Traffic, 733. See 738

— * Tunnels, Motor-Car Exhaust in, 872 — * Wheel Impact, Solid and Pneumatic Tyres, 119, 129* — * Work, Coal Tar for, 738 — * — Tamping Machine for, 735, 853*. See Erratum, 759

  • Robertson, W. H. A., & Co., Ltd., Billet Piercing Machine, 627*. See 397*, 429, 495*, 612, 660
  • Robinson, D. P., & Co., Locomotive Ash-Pits, 125*
  • Robinson, T., & Sons, Ltd., Grain-Handling Plant, Bordeaux-Bassens, 312*, 370* Rock Excavation, Vaal River Barrage, 326

— * Subaqueous, Blasting, Pier Foundations,

  • Harriman Bridge, 264*
  • Rods, Brass, Extrusion Defect in, 487*. See
  • 483
  • — — Season Cracking of, 297*
  • Rogerson, A. C., the Late, 104
  • Rolfe, R. T., on Effect of Lead on Gun Metal,
  • 580*. See 448
  • Rolled Steel Beams and Channels, Properties
  • of, 712

— * Zinc, Properties and Microstructure, 489*.

  • See 484
  • Roller Bearings. See Bearings

— * Road. See Road Roller

  • Rolling Aluminium Alloys, 613. See 596, 626

— * Mill, Billet Piercing, Tube Manufacture, 397*,

  • 429*, 495*, 527*. See LETTERS, 612, 660

— * Stock. See Carriages; Locomotives ; Wagons Röntgen Rays, Energy of Radiation, 469 — * — Spectrometer at N.P.L., 211 — * — Work, Protection of Operators, 13

  • Ropes, Wire. See Wire Ropes
  • Ropeway, Aerial. See Ropeway
  • Rosenhain, Dr. W., Report on Aluminium
  • Alloys, 594, .613, 624, 644
  • Ross, A.,
  • on Home Railways, 20, 30
  • Rostoff, Vertical Lift Bridge, 268*
  • Rotamiser Oil Fuel Burner, 631*
  • Rotary Billet Piercing Machine, Tube Manu
  • facture, 397*, 429*, 495*, 527*. See
  • LETTERS, 612, 660

— * Converters, Design of Large Units, 402*

  • — — Sub-Station, Automatic, Toronto Tram
  • ways, 747*

— * Engine. See Engine ; Aeronautics — * Kiln, Cement Manufacture, E. Allen & Co., 337* — * Pump. See Pump

  • Rotatory Dispersion, Optical, 33
  • Rotor Wheel, Turbine, Bursting of, 829*
  • Rotors, Turbine, Critical Speeds, 1*, 717*
  • Roumania, Transport Problem in, 351

— * Trade with, 188

  • Rousseau, Rear Admiral H. H., on Port
  • Facilities, 794
  • Rowell, Sir H. B., the Late, 13*
  • Roxburgh. W. L., on the Development of the
  • Coasting Trade, 32, 111. See 109
  • Royal Aeronautical Society. See Aeronautical

— * Agricultural Society. See Agricultural — — Hall. See Exhibition — * Albert Dock, London, Extension, 2*, 109 Royal-Dawson, F. G., on Indian Railways, 696 — * Meteorological Society. See Meteorological — * Naval Cordite Factory, Coal and Ash-Handling Plant, 706* — * Sanitary Institute. See Sanitary

  • Royal Society :
  • Bakerian Lecture on Optical Rotatory Dispersion, by Dr. T. M. Lowry and Dr. P. C. Austin, 33
  • Royal Society of Arts. See Arts
  • Rubber, Extending Applications for, 851

— * Industry, Institution of, Inauguration, 575 ; Dr. H. P. Stevens on Plantation Rubber, 733; F. Jones, oirWidening Field of Rub¬ber Manufacturing, 851 — * Plantation, Uniformity of, 733 — * Vulcanising Pan, Explosion of, 236 Rudders, Ship and Airship, Pressures on, 651* — — N.P.L. Experiments, 99 Rudge-Whitworth, Ltd., Grading Machine for

  • Steel Balls, 60*
  • Rules, Board of Trade, Oil Fuel on Ships, 372 — International, Bills of Lading, 414 Rumpler, E., 1,000-h.p. Aero Engine, 252 Run-About Electric Crane, 564*
  • Run-off and Rainfall, 146. 169, 258, 513. Rushton, K., the Late, 477
  • Russia, Rostoff Vertical Lift Bridge, 268*

— * Kursk District, Magnetic Anomaly, 469 — * Swedish Built Locomotives for, 695*

  • Rusting. See Corrosion • Ruston Lt Hornby, Ltd., Baling Press and Road Roller, 39* ; Motor Road Roller, 759*
  • S.
  • SAFETY Bolts, Electrical Mining Apparatus 376
  • — of Life at Sea, Analysis of Risks, 668 ; See also Water-Tight Sub-division

— * Petrol Tanks for Aircraft, Air Ministry Com¬petition, 323, 769 — * Regulations in Mines, Effect, 418

  • Saint. See St.
  • Salford, Atmospheric Pollution in, 554*. See 531, 555*, 737
  • Salmon, Dr. E. H., on Machinery of Floating Docks, 720, 739*, 772*
  • Salvage Work, Lifting Magnet for, 311
  • — — Temple Gun for Stud Driving, 475 Samson Automatic Temperature Regulator, 307*
  • Samuelson, F,. on Increasing Economy of Steam Engines, 64*
  • " San Benito," S.S., Electrically Propelled, 481 San Domingos Mine, Air Lift Pump, 460*. See 430, 693
  • " San Felix," Oil Tank Steamer, 441*.
  • Sandberg, C. P., on Damage to Tyres and Rails by Brakes or Slipping Wheels, 54, 82* Sandeman, E., on Compensation Water, 144, 169
  • Sanders, W. C., orwpontainer Cars, 820*
  • Sandwich System, Education of Engineers, 705
  • Sanitary Institute, Folkestone Congress, 12 Sanitation, Refuse Collection and Disposal (Review), 384
  • — Refuse Disposal, London Area, 737, 889
  • Santiago-Valparaiso Railway, Electrification,
  • 797
  • Saurer Gear Testing Machine, 801*
  • Bayne, L. H., on Deterioration of Reinforced
  • Concrete Structures, 23, 73
  • Saws. See Machine Took
  • Scar House Dam for Water Power Plant, Con
  • struction, 817*
  • Scavenging Pumps. See Pumps, Air
  • Schlesinger, Prof. G., Planing Machine Inves
  • tigations, 886
  • Schneider, E., Investigation of Hot Drawing,
  • 678*. See LETTER, 693
  • ,Scholarships. See Education
  • Schuylkill Power Station, Bursting of Turbine
  • Wheel, 829*
  • Science Museum, South Kensington, Report
  • on, 191

— * Post-War, Aspects and Problems, 381 Scientific Control, Boiler Houses, 67, 92. See LETTER, 149 — * Management. See Works Management — * Research. See Research — * Societies. See Institutions

  • Seleroscope Tests. See Hardness under Tests
  • (Materials)
  • Scotland, Forth & Clyde Canal, Proposed, 407, 462

— * Institution of Engineers and Shipbuilders in. See Engineers — * Occurrence of Malaria in, 442 — * Small Water Powers, Linking up, 410. See 406 — * Water Power in, Schemes in Parliament, 767 Scots Pine, Mechanical Properties, 387*, 405 Scott-Taggart, J., on Negative Resistance Devices, 584*. 585*. See 409.

  • " Scottish Standard," M.S., Trials of Diesel Engines, 133. See 123.
  • Scottish Timbers for Aeroplanes and Pit Props, 405
  • Scotts' Shipbuilding and Engineering Co., Ltd.,Double Reduction Gearing, 376* ; Trias of Still Engine, 344*
  • Scratches, Effect on Strength of Materials, 66, 81
  • Screw-Cutting Lathe. See Lathe under Machine Tools

— * Gauges, Measuring Internal Diameters,

  • 159, 559*
  • —Propellers. See Propellers ; Aeronautics

— * Pump, the Quimby, 884*

  • Sea Currents and Salinity, Investigatious, 499
  • — Power Production from Tides. See Tidal

— * Transport, Analysis of Risks, 668 — * Water, Deterioration of Ferro-Concrete Structures in, 23, 40, 73

  • Seam Welding Machines, Electric Resistance Type, 470*
  • Seaplanes. See Aeronautics
  • Season Cracking, Aluminium Alloys, 614, 645 — — of Brass, &c., 262*, 297*, 327* Secondary Battery. See Accumulator under
  • Electric ; also Motor Lorries

— * Schools and Education. See Education Seger Cones, Behaviour in Coal Gas, 560 Seismological Investigations, Report on, 499 Selenium Current Regulator, Cable Research,

  • 213*
  • Self-Induction. See Electric
  • Semi-Portable Engine. See Engine
  • Sensitive Drill. See Drill under Machine
  • Tools
  • Separators, Steam, Tompkin's, 416*
  • Sessions House, London, Heating and Ventilat
  • ing Plant, 518*
  • Severn Tidal Power Scheme, Analysis, 424*.
  • See 406, 422. See LETTER, 540

— * Tunnel., Ventilating Plant, 676

  • Sewage Gas, Power Production from, 456*.
  • See 431

— * Purification, Activated Sludge Process, 86,

  • 115
  • — — Aersedcon System, 186
  • — De-watering Sludge, 87, 115
  • — — Straw Filters for, 86, 114. See Erratum,
  • 153

— * Sludge, Utilisation of, -12. See 431, 456* — * Stereophagus Pump for, 644* — * See also PARAGRAPH INDEX

  • Shaft, Crank. See Crankshaft
  • Critical Speeds, Approximate Calculations,
  • 717*

— * Propeller, Torsional Vibrations, 363*. See LETTERS, 661 — * Rotating, Relativity Contraction in, 433 — * Sinking, Portobello Power Station, 423* — * — Use of Cement Grouting, 24, 45, 77 Shale, Oil Production from, 27

  • Shanghai Harbour, Possibilities of Improving, 797
  • Shawcross, G. N. on Control in a Railway Foundry, 823*
  • Shear Tests. See Tests (Materials).
  • Sheds, Transit, Royal Albert Dock Extension, 6* Sheet Metal, Seam Welding Machines for, 470* — — Stamping, Motor Car Industry, 523* Sheffield Association of Metallurgists and
  • Metallurgical Chemists, Address by Sir
  • R. Hadfield, 607

— * Road Improvements, 738 — * Technical Education in, 607 Shell Forging, Treatise on (Review), 450 — * See also Projectiles

  • Sherardising Process, Protection of Iron and
  • Steel, 167. See 142
  • Shimizu-Wilson Apparatus and Cleaning Blast
  • Furnace Gas, 58
  • Ship Berthing Gear for Floating Docks, 775*.
  • See 720

— * " British Industry," Trade Exhibition, 446. See 377, 723, 819 — * Bunkers, Spontaneous Combustion of Coal, 892 — * Canal. See Canal ; Navigation, Inland — * Cargo Capacity per Foot Length, 22, 31 — under Construction, Lloyd's Statistics, 108, 544 — * Cost of High Speed, 838 — * Diesel Engined. See Motor Ships ; Marine Propulsion — * Electric Propulsion. See Marine Pro¬pulsion

  • Ship, Fabricated, Labour-Saving in Shipbuild-ing, 84, 112

- * Future Dimensions and Dock Construction, 21, 31, 38 - * Improved Double Bottom Construction, 72* - * Lighting, Geared Turbo-Generator, for, 474* - * - Sets, Steam Driven, Campbell and Isher¬wood, Ltd.,

  • 416*

- * Mechanical Applicances for Loading and Unloading, 21, 31, 38, 52, 81. See 859, 864*, 866* - * Merchant, Losses of, 576, 822 - * - Protection against Submarines, 787* - * Model Experiments, Effect of Waves, 99. - - Experiments. See also Ship Resistance - * Motor. See Motor Ships ; Marine Propul¬sion - * Oil Fuel on, Board of Trade Rules, 372 - * Passenger, Decoration of, 847 - * Plating, Stresses due to Fluid Pressure, 368*, 405. See LETTERS, 410*, 486, 540*, 567, 612, 640, 693 - * Powering of (Review), 161 - * Propellers. See Propellers - * Propulsion. See Marine Propulsion ; Engines ; Turbines ; Propellers - * Repairs, Liability for Negligence, 608 - * Resistance, Skin Friction, Tideman's Work,

  • 99
  • - - Treatise on (Review), 161

- * Rudders, N. P. L. Experiments, 99 - * Salvage. See Salvage - * Standard, Labour Saving in Building, 84, 112 - * Tonnage Measurement, 704 - * Water-Tight Subdivision of. See Water-Tight - * See also Marine ; Motor Ships ; Shipping ; Steamers ; Warships ; and PARAGRAPH INDEX

  • Shipbuilders and Engineers, North East Coast Institution of. See North East Coast

- * and Engineers in Scotland, Institution of.

  • See Engineers
  • Shipbuilding, Average Size of Vessels, 321

- * Cost of High Speed, 838 - * Fabricated Ships and Labour Saving, 84, 112 - * Future Dimensions of Ships, 21, 31, 38 - * Improved Double Bottom Construction, 72* - * Naval. See Warships - * Research and Progress in, 574 - * Standardisation in, 850. See 84, 112 - * Stresses in Plating, 368*, 405. See LETTERS, 410*, 486, 540*, 567, 612, 640, 693 - * System, Patent Extension Case, 447 - * U.S. Passenger Steamers, Design and Con¬struction, 836, 847'! - * Vessels under Construction, 108, 544 - * Water-Tight Subdivision. See Water-Tight

  • - Yards; British and Foreign, Labour Costs, 517
  • - - Oil and Paint Storage Plant, 632*
  • - - Use of Town Gas in, 479
  • - - Yarrow's, Closing of, 286

- * See also Steamers ; Naval ; Warships ; and

  • PARAGRAPH INDEX
  • Shipping Accidents, Analysis of, 668
  • - American Bureau. See United States

- * Annual, Brassey's (Review), 798 - * British, Pre-War and Post-War, 321 - * Development of Coasting Trade, 32, 109, 111 - * Exhibition at Olympia, 374*, 414, 435*, 470*. See 417, 481, 543. - * Free Port for Christiania, 728 - * Hague Rules for Bills of Lading, 414 - * Lloyd's Register, Report, 639 - * Merchant, British and Foreign, Number and

  • Tonnage Owned, 157
  • - - Vessels Lost, 576, 822

- * Statistics, Port of London, 381 - * Tonnage Measurements, 704 - * United States, Classification and Registra

  • tion, 794
  • - States, Competition with Foreign, 794 - - States, Port Facilities and Development, 794
  • Shipyard. See Shipbuilding Yard
  • Shock Tests. See Impact Tests under Tests (Materials)
  • Shop Management. See Works Management Shore, Scleroscope Tests. See Hardness under Tests (Materials)
  • Shores, Mechanically-Operated, for Floating Docks, 775*. See 720
  • Shovel, Steam. See Excavating Machine Show. See Exhibition
  • Shrawardine Tractors, Trials, 446, 481 Shunting Locomotive, Early Turbine Driven, 728*. See 477
  • Siebe, Gorman & Co., Ltd., Aquatole Water Lifter, 37
  • Siemens-Martin Furnaces. See Furnaces Signal Posts, Concrete, 36
  • Silica Bricks. See Firebricks

— * and Fireclay Mixtures, Softening of, 560 — * Interferometer Tubes and Prisms, Con-struction of, 468* — * Reversible Thermal Expansion, 576*

  • Silicon-Aluminium-Magnesium Alloys, Con-stitution and Age Hardening, 519*. See 484, 509

— * and Iron, Heat Evolution in Combination, 478 — * Manganese, Production in Electric Furnaces,

  • 252
  • Silos, Grain, at Bordeaux-Bassens, 312*. See
  • 370*
  • Silting of Estuaries, Model Investigations,
  • 121, 130
  • Silver, Metallurgy of (Review), 485
  • Simar Cultivating Machine, 36
  • Simons, W., & Co., Ltd., Suction Dredger, 151
  • Sirocco Fan, Blowing Cupolas, 834*
  • Skin Friction. See Ship Resistance
  • Skinner, F. W., on Winnipeg Water Works,
  • . 589*, 621*
  • Slabs, Calculation of Strength, 209*, 245*. See
  • Errata, 246, 283
  • Slag. See Metallurgy
  • Slate Dust, Utilisation of, 672
  • Sleeve Valve, Glasgow Oil Engine, 538*. See 37
  • Slipway, Ship Repairing, Liability for Acci
  • dents, 608
  • Sloog, H.,
  • the Late, 696
  • Sludge. See Sewage
  • Sluices, Effect on Discharge of Tidal Rivers,
  • 121, 130

- * Herlandsfossen Power Plant, 497* Smelting Furnaces. See Furnaces

  • Smith, Dr. S. P., on Large Electric Units, 399*.
  • See Erratum, 538. See LETTERS, 486, 540 Smith Gas Producer for Motor Vehicles, 575.
  • See 580
  • Smith Process, Coal Carbonisation, 175*. See 68 Smith, S., & Son, Ltd., Astronomical Watch, 785
  • Smiths' Work, Modern Requirements, 766 Smithells, C. J., on Tungsten Filament Pheno-mena, 102
  • Smithfield Show, Agricultural Exhibition, 795 Smoke in City Air, Measurement of, 554*, 555*. See 12,
  • 531, 737

- * Detecting Fire Alarm, 221

  • Smokeless Fuel, Low Temperature Car-bonisation of Coal, 29, 68, 175*, 596*. See Erratum, 110
  • Socialisation of Industry in Germany, 676 Societa Anonima Officini Meccaniche, Turbine Locomotive, 728*. See 477
  • Societies, Technical and Scientific. See In¬stitutions

- * Trade. See Labour ; Industrial Notes Society of Motor Manufacturers and Traders. See Motor

  • Soils, Bearing Power of, 123, 132
  • Solar Phenomena and Magnetic Disturbances, 500
  • Soldiers, Blind, Employment in Workshops, 715*
  • Solids, Aggregation and Flow of, Sir G. Beilby's Work (Review), 878
  • Soot in City Air, Measurement of, 554*, 555*. See 12, 531, 737
  • South Africa, New Modderfontein Mine, Air Compressor for, 535*. See LETTERS, 661 - - Vaal River Barrage, Rand Water Supply, 325*

- * African Railways, Train Loads, 701 - * Kensington Museum, Report, 191 - * Metropolitan Gas Company, East Green-wich Works, 564 - * Yorkshire, Notes from, 14, 59, 105, 153, 186, 220, 252, 282, 314, 346, 376, 410, 442, 476, 508, 540, 570, 602, 633, 664, 697, 728, 760, 790, 822, 854, 886. See PARAGRAPH INDEX - West, Notes from, 15, 59, 105, 153, 187, 221, 253, 283, 315, 347, 377, 411, 443, 477, 509, 541, 571, 603, 633, 665, 697, 729, 761, 790, 823, 855. See PARAGRAPH INDEX Spanner, Seif-Ratchetting, Fastnut, Ltd., 673* Specific Gravity, Copper-Zinc Alloys, 585*. See 449 - * Heat, Heat-Insulating Materials, 193

  • Specifications. Standard.* See Standard ; Standardisation
  • Spectra, Hydrogen, Long Vacuum Tubes, 434 Spectrograph, 72-in. Reflecting Telescope, 269* Spectrometer, Röntgen Ray, at N.P.L. 211 Speed-Changing Gears. See Gears ; Marine
  • Propulsion ; Motor-Car Details

- * Critical, of Shafts, Approximate Calcula

  • tions, 717*
  • - - Turbine Rotors. 1*

— * Reduction Gears. See Gears ; Gearing ;

  • Marine Propulsion ; Motor-Car Details
  • Spelter Prices. See Metal-Price Diagrams
  • Spencer & Co., Ltd., Coal and Ash-Handling
  • Plant, Cordite Factory, 706*
  • Sphere Photometer at N.P.L., 213
  • Spirit, Motor. See Motor Fuels
  • Spontaneous Combustion, Coal in Mines, 380 ;
  • in Ships' Bunkers, 892
  • Spraying Apparatus for Fruit Trees, 795
  • — Metallic, Protection of Iron and Steel, 167.
  • See 142
  • Spring Bolts, Electrical Mining Apparatus, 376

— * Buckling Press, Hydraulic, Hele-Shaw System, 502* — * Helical, Chart for Designing, 173*

  • Sprinkling Stoker. See Stoker
  • Spun Vessels, Brass, Season Cracking, 262*,
  • 299*, 329
  • Spur Gearing. See Gears ; Gearing ; Marine
  • Propulsion
  • St. Nazaire, Chantier et Ateliers de, S.S.
  • " Paris," 96*, 181*, 246*
  • Stability of Quay Walls, 822
  • Stainless Steel, High Temperature Tests and
  • Effect of Heat Treatment, 594*
  • — — and Iron, Properties of, 771*, 805*
  • — — Turbine Blades and Pump Rams, 592*
  • Stamping Hammers and Presses. See Machine
  • Tools

— * Sheet Metal, Motor Car Industry, 523*

  • Standards Association. See Engineering

— * Beams and Channels, Properties of, 712 — * Measuring Bars, Discrepancies in, 158 — * Ohm, Mercury Column, N. P. L. Measure¬ments, 212 — * Products, National Hall Mark, 825 — * Ships. See Ships — * Specifications, Condenser Tubes and Glands, 640 ; Creosote, 516 ; Switches and Cir¬cuit Breakers, 610 ; Tramway Axles, 475 ; Tramway Tyres, 315

  • Standardisation, Ball and Roller Bearings, 187

— * Fan Capacities, 567, 612 — * Fire Hose Couplings, 187 — * Lathe Type Tools, Lumsden System, 183*, 213* — * Methods of Inspecting and Testing, 84, 111. See LETTERS, 149, 248 — * in Motor Car Industry, 15, 573. See 670 — * Oils, Nomenclature and Specifications, 418 — * Plantation Rubber, 733 — in Shipbuilding, 850 — * Work of Engineering Standards Association,

  • 236
  • Star Streaming, Dynamical Theory, 501
  • Stars, Radial Velocities, 501
  • Starter, Impulse, for Petrol Engines, 437*

— * Motor. See Motors, Electric

  • Starting Device, Bristol Aero Engine, 800 Stations, Power. See Power Stations Statistics, Trade. See Trade
  • Steam Boats. See ,Steamers

— * Boilers. See Boilers — * Chest, Explosion on Trawler, 711 — * Condensation. *See Condensation — * Crane. See Crane - * Engines. See Engines — * Exhaust, Locomotive Feed Heater, Weir's, 150* — * — 'Utilisation for Power and Heating, 24, 42, 74, 141, 165*. See Errata, 153 — * Fittings Co., Ltd., Welldeck Steam Trap, 345* — * Flow through Nozzles, See Nozzles — * Hammer. See Hammer under Machine Tools — * Jacketted Pan, Vulcanising, Explosion of, 236 — * Jets, Boiler Furnaces, Steam Consumption, 92 — * Lorries. See Motor Lorries ; Tractors — * Navvy. See Excavating Machine — * Pipe Explosions, Water Hammer Action,

  • 120, 839
  • — — Heat Losses from, 68

— * Properties of, Proposed Research, 320 — * Raising, Possible Fuel Economy, 29 • — — Waste Heat, in Gasworks, 24, 45, 77 — * Roller. See Road Roller — * Separator. See Separator — * Shovel. See Excavating Machine — * Superheater. See Superheater ; Superheated — * Tractors. See Tractors — * Traps, Losses from. 69

  • — — Welldeck, 345* ; Record, 821*

— * Trials. See Trials — * Turbines. See Turbines — * Users' Association. See Manchester — * Wagons. See Motor Lorries ; Tractors Steamer " British Industry," Trade Exhibition Ship, 446. See 377, 723, 819 — * Cargo Capacity per Foot Length, 22, 31 — * Cargo, " P.L.M. 20," Cantilever Construc¬tion, 339*

  • — under Construction, Lloyd's Statistics, 108, 544.

— * Cost of High Speed, 838 — * Electric Propulsion. See Marine Propulsion — * Fabricated, Labour-Saving in Shipbuilding, 84, 112

  • — Future Dimensions and Dock Construction, 21, 31, 38

— * Geared Turbines for. See Marine Propulsion — * " Guilio Cesare," Propelling Machinery, 662* — * Improved Double Bottom Construction, 72* — * Mechanical Appliances for Loading and

  • Unloading, 21, 31, :38, 52, 81. See 859,
  • 864*, 860*
  • — Merchant, British and Foreign, Number and
  • Tonnage Owned, 157
  • — — Losses of, 576, 822
  • — — Protection against Submarines, 787*
  • — — United States, Classification and Regis
  • tration, 794

— * Oil Fuel on, Board of Trade Rules, 372 — * Oil Fuel for, Development, 639 — * " Paris," French Atlantic Liner, 96*, 181*, 246* — * Passenger, Decoration of, 847

  • — — U.S., Design and Construction, 836, 847*

— * Propulsion of. See Marine Propulsion ; Engines ; Turbines ; Propellers — * Resistance of. See Ship Resistance — * Salvage of. See Salvage. — * " San Benito," Electrically Propelled, 481 — * Standard. See Ships, Standard — * Stresses in Plating 368*, 405. See LETTERS, 410*,486, 540*, 567, 612, 640, 693 — * Tank, and Tonnage Owned, 157

  • — — Protection against Submarines, 789*
  • — — " San Felix," Eagle Oil Transport Line,
  • 441*

— * Tonnage Measurement, 704 — * Watertight Subdivision of. See Watertight — * See also Engines : Marine Propulsion; Shipbuilding ; Shipping ; Ships ; Tur-bines ; Warships ; and PARAGRAPH INDEX.

  • Steaming in Vertical Retorts, Gas Manu-facture, 363, 560
  • Steamships. See Ships ; Steamers • Warships Steel Balls, Grading Machine for, 60*

— * Barrels, Collapsible, with Victaulic Joint, 375* — * Billets, Rotary Piercing Machine for, 397*, 429*, 495*, 527*. See LETTERS, 612, 660 — * Case-Hardening of. See Heat Treatment under Metallurgy — * Castings, Manufacture at E. Allen & Co.'s Works, 306*, 335* — * Cerium and Molybdenum, United States Research, 892 — * Chromium. See Steel, Stainless — * Corrosion. See Corrosion — * Damascene, Comparisons with High-Speed Steel, 395* — * Engineering, Properties of (Review), 386 — * Fatigue of. See Alternating Stress under Tests (Materials) — * Foundry. See Foundry — * Furnaces. See Furnaces — * Heat Treatment of. See Heat Treatment under Metallurgy — * High Speed, Comparisons with Damascene Steel, 395* — * Industry and Cost of Coal, 26 — * — United States, Labour Costs, 517 — * Liquid, Vapour from, 619, See 530 — * Manufacture. See Metallurgy — * Manganese. See Allen, E.,

  • & Co., Ltd.

— * Mechanical Properties at High Tempera¬tures, 391*, 427*. See 384 — * Microstructure of. See Microphotographs — * Mildness and Toughness, Impact Tests, 279 — * Molybdenum, Properties of, 350. See 372*, 892 — * Plates, Hydraulic Flanging Press for, 72* — — Prices. See Metal-Price Diagrams — — Tensile Tests, Effect of Width of Speci¬men, 389*, 406 — * Rails. See Rails ; Metal-Price Diagrams — * Rolling Mills. See Rolling Mills — * Ropes. See Wire Ropes — * Special, Etching Agent for, 570

  • Steel, Stainless, Properties of, 594*, 771*, 805*

- * — Turbine Blades and Pump Rams, 592* — * Strained, Figures produced by Etching, 809* — Stress Distribution in. See Stress ; Tests (Materials) — * Tests of. See Tests (Materials) — * Tool, Manufacture. See Allen, E., Co., Ltd. — — Prevention of Hardening Cracks, 517. See LETTER, 567 — * Tubes and Cylinders, Hot Drawing on Mandril, 678*. See LETTER, 693 — * Tungsten and Molybdenum, Effect of Annealing on Structure, 372* — * Uranium, Properties of, 841 — * Works. See Works

  • Steelwork, Structural, Beams and Channels,
  • Properties of, 712
  • — — Grain-Handling Plant, Bordeaux, 312*,
  • 370*

— * — Portobello Power Station, 422*

  • — — E. Allen & Co.'s Works, 272*
  • Stellar System, Structure and Motion of, 501 Stereophagus Pump for Sewage, 644*
  • Stevens, Dr. H. P., on Plantation Rubber, 733 Stevenson, D. A., on the Mid-Scotland Canal, 462. See 407
  • Stevenson Gear Co.,Gear-Sha ping Machine, 539* Stewart, G. E., on Utilisation of Waste Heat in Gas Works, 24, 45, 77
  • Still Engine, Development of, 64 ; Trials, 344* Stills, Ammoniacal Liquor, Leamington Gas Works, 136*
  • Stokers, Automatic, Advantages of, 91
  • — Chain-Grate, Lea Coal Meter for, 416 Stoney, Dr. G., on Steam and Air Flow in Nozzles, 750
  • Stop Valves. See Valves
  • Storage Battery. See Accumulator under Electric ; Motor Lorries
  • Stourbridge Clays, Compositions, 601
  • Strained Steel, Figures Produced by Etching, 809*
  • Stratified Working, Internal-Combustion En: gines, 69*. See Erratum, 109
  • Straw Baling Press, Ruston & Hornsby, Ltd., 38*

— * Filters, Sewage Purification, 86, 114. See

  • Erratum, 153
  • Street Lighting, Gas for, 737

— * Railways. See Tramways — * See Roads

  • Strength of Materials. See Stress and Tests
  • (Materials)
  • Stress Allowances, Sydney Harbour Bridge, 880 *

— * Alternating and Combined. See Tests (Materials) — * Distribution, Complex, Report on, 408 — * Optical Determination of. See Optical Stresses, Impact, on Railway Bridges, 50, 80, 118, 189, 350, 881 — * Internal, in Brass, and Season Cracking, 262*, 297*, 327* — * in Rails, Calculation of, 431 — * in Ship's Plating, Fluid Pressure, 368*, 405. See LETTERS, 410*, 486, 540*, 567, 612, 640, 693 — * in Thick Slabs, 209*, 245*. See Errata, 246, 283 — * Two-Dimensional, Rectangular Plates, 523* — * in Webs, Plate Girders, 349

  • Strikes. See Labour ; Industrial Notes Stromeyer, C. E., on Feed Heating and Econo
  • misers, 94 ; Report on Oil Fuel, 321 Structural Design, Railway Bridges, Impact
  • Tests and Allowances, 50, 80, 118, 189,
  • 150.'4681

— * Steelwork. See Steelwork Structures of Gaseous Molecules, 827 — * Ferro-Concrete. See Ferro-Concrete — * Railway, Maintenance of, 635, 646. See 21, 30, 49.

  • Stuart, A. H., on Bracing Aeroplane Wings, 301* Stud Driver and Extractor, Drysdale, 312* Studs, Temple Gun for Driving, 475 Subdivision of Ships. See Watertight Submarine Boats. See Warships

— * Lifting Magnet, Neale, 311 — * Stud Driver, Temple Gun, 475

  • Subsidy, Coal, and Industrial Depression, 511.
  • See LETTERS, 567, 728
  • Sub-Stations, Nidd Valley Power Plant, 817*

— * Rotary Converter, Automatic, Toronto

  • Tramways, 747*
  • Suction Dredger, See Dredger

— * Gas Engine. See Engine, Gas

  • — — Producer. See Producer
  • Suez Canal, Traffic on, 314, 404
  • Sugar, Beet, Manufacture, Kelham Factory,
  • 639
  • Sulphate of Ammonia Plant, Gas Manufacture,
  • 135*, 562
  • Sulphur, Recovery from Blast-Furnace Slag,
  • 221
  • Sulphuric Acid Manufacture, Report on, 190
  • Sumner's Valveless Pumps, 58*, 416*
  • Sun Spots and Magnetic Disturbances, 500
  • Supercharging in Internal-Combustion En
  • gines, 69*. See Erratum, 109
  • Superheated Steam, Stop Valve for, Rotating
  • Disc Type, 472*
  • Superheating, Locomotives and Turbines,
  • Advantages of, 89
  • Surface Condensers. See Condensers

— * Grinding Machine. See Grinding under Machine Tools — * Tension and Conductivity, Relationship, 530 — * — Effects, Air Lift Pumping, 460*. See 693 — * — Effects, Metals, 530, 878 — * — Measurements at Extreme Temperatures, 530

  • Surge Tank, Winnipeg Aqueduct, 621 Survey, Magnetic, Kursk District, Russia, 469 Surveying Instruments, Testing at N. P. L., 213

— * Map Construction from Aerial Photographs, 557* — * for Travellers (Review), 815

  • Sutcliffe, Speakman & Co., Ltd., Coal Briquet-ting Machine, 689*
  • Swaging Machine for Band Saws, 186* Sweden, Domnarf vets Iron Works, Slag Cement Manufacture, 103

— * Electric Power Supply from Norway, 259

  • Swift, G., dr, Sons, Ltd., Radial Drilling and Tapping Machine, 783*
  • Swinton, A. A. C., on Wireless Telegraphy, 636 Swiss Locomotive and Machine Works, Tur¬bine Locomotive, 292*

— * Machine Tool Works, Screw-Cutting Lathes, 652*

  • Switch, Push Button, Magnetic Blow-out, 101* Switches, Motor-Starting. See Motors, Electric

— * Standard Specifications, 610

  • Switchboards for Coal Mines, 640
  • Switchgear, Automatic Substation, Toronto
  • Tramways, 747*

— * Industrial, G. Ellison's, 355 — * Mining, Relief Bolts for, 376 — * Nidd Valley Power Plant, 817*

  • Sydney Harbour, Proposed Bridge, 880* Sykes Gear Tooth Comparator, 103*. See 803* Symons, B. & Co., Accurate Screw Cutting,
  • 216* ; Die Sinking Machine, 341* Synthetic Ammonia Manufacture, Claude Pro
  • cess, 732 .
  • — — Production, Statistics, 345
  • Systems, Shop. See Works Management
  • T.
  • TAMARACK Mining Co., Winding Engine for, 565*
  • Tamping Machine, Portable, Road Work, 735, 853*. See Erratum, 769
  • Tangent Tools, Cutter Grinder and Hand Punch, 415*
  • Tank, Experimental, at N. P. L., Work of, 98 — — See also Ship Resistance

— * Locomotives. See Locomotives — * Ships, Motor. See Motor — * Petrol, for Aircraft, Air Ministry Competi¬tion, 323, 769 — * Steamers. See Steamers

  • Tappet Clearance, Internal Combustion En
  • gines, Effect on Timing, 249*
  • Tapping Machine. See Machine Tools
  • Tar, Coal, for Road Work, 738

— * Distillation Works, Report on, 191 — * Distilling Plant, Gas Manufacture, 562 — * Macadam Mixing Machines, 735

  • — — for Road Construction, 120, 128 Tartaric Acid, Optical Rotatory Properties, 33 Tax, Income, Appeal Case, Machinery Imports,
  • 259
  • Taxation in United States (Review), 514 Taxes, Motor Car, in Italy, 831
  • Technical College and Education. See Education — Engineers Society, Objects of, 481

— * Institute, Cleveland, 480 — * Societies. See Institutions and PARAGRAPH INDEX

  • Teddington Laboratory. See National Physical
  • Teeth, Gear. See Gear
  • Telegraphy, Wireless, Design and Practice
  • (Review), 160
  • — Direction-Finding Apparatus, 333*
  • — — Experimental Stations (Review), 160
  • — — Inductance and Capacity, Measurements,
  • 212*
  • — — Modern Developments, 636
  • — — Negative Resistance Valves for, 584*
  • 585*, See 409

— * — Outlines of (Review), 160 — * — Principles of Radio Communication

  • (Review), 814
  • — — Reception on Shielded Frame Aerial, 434
  • — — Thermionic Tubes in (Review), 321
  • — — Thermionic Valve, Use as Micrometer,
  • 395*. See 469
  • — — Valve Characteristics, 212
  • — — Vibration of Ferro-Concrete Tower, 196*

— * See also Electricity in PARAGRAPH INDEX Telephone Systems, Automatic (Review), 879 Telephony, Wireless, Outlines of (Review), 160 — Thermionic Tubes in (Review), 321 — * See also Electricity in PARAGRAPH INDEX Telescope, 72-in. Reflecting, for Canadian

  • Government, 207*, 240*, 269*. See

LETTER, 249. See also 501

  • Telford, J. C., on Fabricated Ships, 84, 112 Temperature Measurement, Treatise on (Re¬view), 260
  • — — See also Pyrometry

— * Regulator, Samson Automatic. 307* — * Stresses, Sydney Harbour Bridge, 881 Tempering. See Heat Treatment under Metal-lurgy

  • Temple Gun for Driving Studs, 475 Tenders, Locomotive. See Locomotive

— * Yellow River Bridge, China, 517, 540, 567 " Tennessee " U.S. Battleship, Electric Pro¬pelling Machinery, 359*

  • Tensile Tests. See Tests (Materials)
  • Tension, Surface. See Surface Tension Ternary Alloys. See Alloys under Metallurgy Terrestrial Magnetism. See Magnetism Testing Institution, Suggested National, 825

— * Laboratory. See National Physical — * Machine, Ferro-Concrete Floors, 11 — — Saurer Gear Wheel, 801* — * — Spur and Chain Gears, 11* — * — See also Tests (Materials) — * See also Tests (Materials) ; Trials

  • Tests, Air Compressors, Belliss t Morcom,
  • 535*. See LETTERS, 661

•* .••• Compressor, Nozzle for Measuring Delivery, 536*. See LETTERS, 611. See also 461*

  • — — Heaters for Boiler Furnaces, 93. See 57*, 65

— * — Lift Mine Pump, 461. See 693 — * Bar-Heating Furance, Colloidal Fuel, 124* — * Corrosion. See Corrosion — * Chemical, Fading of Inks, 259 — * Hydraulic Turbines with Hydraucone,

  • Regainers, 294*
  • — — Turbine, the Turgo, 504*

— * Impact, Railway Bridges, 50, 80, 118, 189, 350, 881 — * Laboratory, Gas Producer Fuels, 668 — * Pumping Plant, Reciprocating and Turbine Driven, 23, 42, 75. See LETTER, 279 — * Pneumatic Grain-Handling Machinery, 866. See 859

  • Tests (Materials) :
  • Abrasion Tests of Materials, 12
  • Alternating Shear Tests, Determination of Fatigue Ranges, 11

— * Stress Tests, Aluminium Alloys, 614 — — Tests, Effect of Scratches, 56, 81

  • — Tests, Nickel-Aluminium-Copper

Alloys, 454*

  • Bending Tests, Defective Turbine Blades, 648*. See 636

— * — Effect of Scratches, 56, 81

  • — — of Scots Pine, 387*. See 405
  • — of Sheet Metals, 192
  • Compression Tests, Brass at High Tem
  • peratures, 770*
  • — — Magnesium Alloy Electron, 641
  • Elastic Limit, Definition of, 55, 81*
  • — Effect of Strain, 55, 81*
  • Hardness Tests, Aluminium Alloys, 454*,
  • 626. See 448
  • — — Bearing Metals, by Detonators, 394
  • — — Electrolytic Iron, Effect of Heat
  • Treatment, 88
  • — — Gun-Metal, Effect of Lead, 581*.
  • See 448

— * — Machines, Brinell, Proving Appar¬atus for, 439* — * — Magnesium Alloy Electron, 641

  • — — Molybdenum Steel, Effect of Heat
  • Treatment, 350
  • — — Nickel-Aluminium-Copper Alloys,
  • 454*. See 448

- * — Refractory Materials at High Tem

  • peratures, 377
  • — — Rolled Zinc, 490*. See 492
  • — — Scleroscope, of Light Specimens,
  • 492*. See 483
  • — — Stainless Steel, 594*
  • — Work of National Physical Labora
  • tory, 12
  • Impact Testing Work of National Phy
  • sical Laboratory, 10

— * Tests, Chromium Steels, 594*, 805

  • — — Defective Turbine Blades, 648. See
  • 636
  • — — Gun-Metal, Effect of Lead, 581*.
  • See 448
  • — — Nickel-Aluminium-Copper Alloys,
  • 454
  • — Stainless Steel, 594*, 805
  • — — Steel, Nature of Indications, 279
  • — — and Tensile Tests, Relationship, 279
  • Materials of Construction, Johnson's
  • Treatise on (Review), 194
  • Notched Bar Impact Tests. See Impact
  • Tests above
  • Scratches, Effect on Strength of Materials,
  • 56, 81
  • Shear Tests, Alternating, Determination
  • of Fatigue Ranges, 11
  • Stress Determination, Optical., See

Optical

  • — in Materials and Structures. See Stress Tensile Tests, Aluminium Alloys, 614, 615. See 594, 624

— * — Brass, Effect of Mercury, 327* — — Chromium Steels, 594*, 805* — Effect of Scratches, 56, 81 — * — Effect of Width of Specimen, :389*,

  • 406
  • — — Elastic Hysteresis, 55, 81*

— * — Elastic and Plastic Extension, 55, 81*

  • — — Gun-Metal, Effect of Lead, 581*. See 448
  • — — High Temperature, Stainless Steel, 594*
  • — High Temperature of Steels, 391*, 427*. See 384

— * — and Impact Tests, Relationship, 279 — — Magnesium Alloy Electron, 641 — * — Molybdenum Steel, Effect of Heat Treatment, 350 — * — Nickel-Aluminium-Copper Alloys, 453*. See 448

  • — Rolled Zinc, 490*. See 492
  • Testing Machine, Bending Tests of Sheet Metals, 192
  • — — Hardness, Proving Apparatus for 439*

— * — Transverse Tests of Timber, 388*.

  • See 405
  • — — for Golf Balls, 438*
  • Text Books. See LITERATURE INDEX
  • Textile Factory, Explosion of Yarn Drying
  • Cylinder, 217

— * Factories, Ventilation and Humidification, 202* — * Mills, Steam-Pipe Explosions, 102, 839 Thames Estuary, Deep-Water Quays, 822 — * Barrage, Suggested, 22, 31, 39

  • Thau, W. E., on Electric Ship Propulsion, 357*,
  • 765
  • Thermal Conductivity, Aluminium Alloys, 613
  • — — Heat-Insulating Materials, 192

— * Efficiency, Heat Power Plants, Means of Improving. See Mechanical Engineers — * Expansion, Reversible, of Silica, 576* — * Standard, Sale of Gas, 29, 546 — * Treatment, Metals. See Heat Treatment

  • under Metallurgy
  • Thermionic Valves. See Telegraphy, Wireless

— * Emission, Theory of, 432

  • Thermisilid Acid-Resisting Iron, 478
  • Thermix Air Heater, Boiler Furnaces, 57*,
  • 92. See 65
  • Thermodynamics, Properties of Steam, Pro
  • posed Research, 320

— * Monographic Chart, Gases, Internal-Com

  • bustion Engines, 302*
  • Thermometers, Organic Liquids for, 712

— * Testing at N. P. L., 211 — * See also Pyrometers

  • Thermostat, Samson Valve Controlling, 307* Thomas, Dr. J. S. G., on Town's Gas, 24, 46, 78 Tho mpson, A. B., on Oilfield Waste, 670. See
  • 8
  • Thom27
  • pson, T., Harmonic Analysis, Beam
  • Problems, 656*, 686*
  • Thompson Water Tube Boiler, Explosion, 324 Thomson, W., on Atmospheric Pollution, 554*. See 531
  • Thorpe, Sir E., on Problems of Science, 381
  • Throttle Valve. See Valve
  • Thrust Bearing. See Bearing

— * of Propellers. See Propellers ; Aeronautics Tidal Flow in Estuaries, Model Investigations, 121, 130 — * Power Scheme, Severn, Analysis, 424*. See 406, 422. See LETTER, 540

  • — — Transmission of Electrical Energy, 409 587*

— * Rivers, Discharge of, Effect of Sluices and

  • Barrages, 121, 130
  • Tides, Analysis and Prediction of, 499
  • Timber Arch Bridges, Durability, 635, 646

— * Cargoes, Mechanical Handling, 859, 860, 861 — * Scots Pine, Mechanical Properties, 387*, 405' — * Scottish, for Aeroplanes and Pit Props, 405 — * Strength of, Effect of Moisture, 387*. See

  • 405
  • Timing Diagrams, Internal Combustion En
  • gines, Effect of Tappet Clearance, 249*
  • Timoshenko, Prof., on Stresses in Rails and
  • Vibrations of Bridges, 431
  • Tin Alloys. See Alloys under Metallurgy
  • — and Tinplate Prices. See Metal-Price
  • Diagrams
  • Tomlinson, G. A., on Measuring Machine for
  • Internal Diameters, 558*
  • Tompkins Steam Separators, 416*
  • Tools, Lathe Type, Lumsden System, 183*, 213*

— * Machine. See Machine Tools — * Making and Interchangeable Manufacture (Review), 547 — * Pneumatic. See Machine Tools — Turning, Curved Top Rake, 213* - * — Ring, Top Rake and Clearance, 95* Toothed Gearing. See Gearing ; Marine Pro¬pulsion

  • Toronto Tramways, Rotary Converter Sub-Station, 747*
  • Torpedo Attack, Protection of Merchant Ships against, 787*

— * Boats and Destroyers. See Warships Torque Diagrams, Nordberg Winding Engine, 754*

  • Torsional Vibrations, Effect on Turbine Reduc¬tions Gears, 180. See 167, 311
  • — — Propeller Shafts, 363*. See LETTERS, 661 Tower, Ferro-Concrete, Vibrations of, 196*

— * Travelling, Pneumatic GrainHandling Plant, Bordeaux, 370*. See 312*

  • Town's Gas. See Gas
  • Track, Railway, Repairing, Collet System, 281 Trackless Trolley System, Road Traction. See Railless
  • Traction, Electric. See Railways ; Railless ; Tramways

— * Engine and Road Roller, Fowler's Con

  • vertible, 36
  • Tractors, Agricultural, at Derby Show, 10, 36*
  • — — French Trials, 676
  • — Smithfield Show, 795

— * — Trials at Shrawardine, 446, 481 — * Chain Track, Grab Ditching Machine, 722* — * Oil, for Cable Ploughing, 36* — * Steam, and Road Roller, Fowler's Conver

  • tible, 36
  • Trade, British, with Canada, 672
  • — in China, and Foreign Office Policy,
  • 757
  • — — and Cost of Production, 576

— * — Empire, Development of, 734

  • — Engineering, and Representation Abroad
  • 317
  • — — in India, 884

— * Conditions in Austria, 256 — * Depression, Effect of Coal Subsidy, 511. See LETTERS, 667, 728 — * Directories, Omissions from, 540 — * Disputes. See Labour ; Industrial Notes — * Electrical, and German Reparations, 829 — * Engineering, Bankruptcy Statistics, 797 — * Exhibition Ship " British Industry," 446. See 377, 723, 819

    • — See also Exhibition
    • Machinery Imports, Income Tax Appeal Case, 259
    • Motor Car, Development by Standardisa¬tion, 573. See 15, 670
    • Overseas, and British Manufacturers, 540
    • Reconstruction. See Reconstruction
    • with Roumania, 188
    • Unions. See Labour ; Industrial Notes Train Loads on British Railways, 765, 819, 827
    • — Improvement of, 701
    • See also Railway
  • Training. See Education ; Apprenticeship
  • Tramway Axles, Standard Specification, 475
    • Motors, Maag Gearing for, 805*
    • Rails, Damage by Brakes and Slipping Wheels, 54, 82*
    • Schemes in Parliament, 766
    • Toronto, Rotary Converter Sub-StatiOn, 747*
    • Track Work, E. Allen & Co., 272*
    • Tyres, Standard Specification, 315
    • See also PARAGRAPH INDEX
  • Transformation Points, Metals. See Metal¬lurgy
  • Transit Sheds, Royal Albert Dock, 6* Transmission, Electric, Ship Propulsion. See Marine Propulsion
    • Gear. See Gear ; Gearing ; Marine Pro¬pulsion ; Motor Car Details
    • of Power. See Marine Propulsion ; Power
  • Transmission
  • Transport, Aerial. See Aeronautics

— * Canal, Proposed Reorganiiation, 156. See LETTER, 220 — * Exhibition, Agricultural Hall, 734*. See 752, 769*, 769, 853* ; Congress, 737 — * Institute of, Annual Dinner, 544 ; H. Kel-way-Bamber on Improving Train Loads, 701 ; Presidential Address by Sir H. P. Maybury on Road Development, 576 ; Sir G. Paish on the Future of British Railways, 826 — * Ministry of, and British Railways, 285

  • — — Railway Statistics, 764. See LETTER, 819
  • — — Report on Railway Accidents, 891
  • — — Report on Slippery Roads, 733. See 738
  • Transport, Motor. See Roads ; Moto
  • Transport Problem in Roumania, 351

— * Railway. See Railway — * Road. See Road ; Motor ; Railless — * Sea, Analysis of Risks, 668 — * Systems, Need for Unification, 544 Transporter Crane, Walker, Royal Albert Dock Construction, 7* - * Radial, Coal-Handling, Holton Heath Cor-dite Factory, 707*

  • Transverse Tests. See Bending under Tests (Materials)

— * Bulkheads. See Water-Tight 'Subdivision Trap, Steam. See Steam Trap

  • Travellers, Scientific and General Hints (Re-view), 815
  • Travelling Crane. See Crane
  • Trawler, Explosion of Steam Chest, 711 Trench Tamping Machine, Portable, 735, 853*. See Erratum, 759
  • Trials, Aero Engine, Bristol Jupiter, 691. See 862

— * Agricultural Tractors. See Tractors — * Air Compressor, Bellis & Morcom, Ltd.,

  • 535*. See LETTERS, 661
  • — Compressor for Kirunavaara Mines, 675*

— * Centrifugal Pump, Medium Lift, 644* — * Diesel Engine, Ansaldo-San Giorgio, 722* — * Diesel Engines, Large Cylinder, 123, 133 — * German Armour Plates, 419, 610*. See Erratum, 633 — * Motor Ship " Malta," Cammellaird-Fullagar Engines, 504 — * See also Tests

  • Triple-Expansion Engines. See Engines, Steam
  • Tritton, F. S., on Scieroscope Tests of Light
  • Specimens
  • Trolley, Trackless, Road Traction. See Railless
  • Tropenas Converter, Steel Foundry, Horwich
  • Works, 834*
  • Trucks, Railway, See Wagons
  • Tschernoff, Prof. D., the Late, 384
  • Tubes, Brass, Season Cracking of, 297*
    • Conical, Flow of Viscous Liquids through, 711
    • Condenser, Standard Specifications, 640
    • Manufacture, Rotary Billet Piercing
  • Machine, 397*, 429*, 495*, 527*. See

LETTERS, 612, 660 — * Mill, Ball, E. Allen & Co., 337* — * Plates, Copper, Locomotive Boilers, Re-pairing Cracks, 251*

    • Quartz, Interferometer, Construction, 468*
    • Steel, Hot Drawing on Mandril, 678*. See LETTER, 693
    • See also Pipes
  • Tungsten Lamps. See Lamps under Electric

— * Steel, Effect of Annealing on Structure, 372* — — Etching Agent for, 570

  • — — Prevention of Hardening Cracks, 517. See LETTER, 667
    • World's Output, Effect of War, 140, 165 Tunnel, Mont Cents, Jubilee, 447
    • Motor-Car Exhaust in, Investigations, 872
    • Oven, Marlow Gas-Fired; 536 ; Oilgas Oil Fired, 537
    • Railway, Repairs and Maintenance, 21, 30,49
    • River Dee, Birkenhead Water Supply, 287

— * Severn, Ventilating Plant, 676 — * Water Pressure, Herlandsfossen Power Plant, 497*

  • Turbines, Gas, Possibilities of, 64

— * Hydraulic, and Electric Generators, Niagara Power Plant, 296*, 403* — * — Herlandsfossen Power Plant, 633* - * — Hydraucone Regainer for, 298*

    • Impulse, Turgo, Efficiency Tests, 504*
    • Large Electric Generators for, 399*. See Erratum, 538
    • Nidd Valley Power Plant, 817*
    • See also Power Plant
    • Mercury Vapour, and Steam Combined, 64*
    • Pumps. See Pumps, Centrifugal
    • Steam, Advantages of High Pressures and Temperatures, 64*, 89
    • Belluzzo, Early Shunting Locomotite, 728*. See 477
    • Blading for. See Blades ; Blading
    • and Centrifugal Pumps, Comparisons with Reciprocating Pumps, 23, 42, 74. See LETTER, 279. See also 430, 644*
    • Condensation in Nozzles, 750
    • Critical Speeds of Rotors, 1*, 717*
    • Geared and Centrifugal Pump, 644* — — Impulse, Bursting of Rotor Wheel, 829*
    • Marine, Manoeuvring Valves for, 473*
    • Marine, S.S. " Paris," 246*
    • Marine, Geared. See Marine Propulsion
    • and Mercury Vapour, Combined, 64*
    • Mixed Pressure, Oil Deposits in, 69
    • Sources of Loss in, 68
    • Utilisation of Exhaust in, 141, 165*
    • Zoelly, Locomotive Working, 292*
    • See also Turbo-Generators ; Steamers ; Warships
  • Turbo-Blower, Reavell's, Scavenging Two-Cycle Engines, 435*
    • Electric System, Ship Propulsion. See

Marine Propulsion

    • Exhausters for Grain Elevators, 859*, 862
    • Generator, 12,500 kw., Liverpool Corpora¬tion, 873*
    • Brush-Ljungstrom, 399*
    • Comparisons with Reciprocating Sets, 514 — Geared, Ship Lighting, 474*
    • Large Electric Units, 399*. Erratum, 538

— * Maag Reduction Gears for, 805

  • — Propulsion of U.S. Battleship " Ten
  • nessee," 359
  • Turgo, Hydraulic Turbine, Tests, 504*
  • Turning and Boring Mills. See Machine Tools

— * See Machine Tools

  • Turret Lathes. See Lathes under Machine Tools Twyman Method of Annealing Glassware, 854 Typewritten Documents, Permanency of, 259 Tyres, Motor Car, Boring and Turning Mill for
  • Moulds, 888*
  • Railway Wheel ; Damage by Brakes and Slipping, 54, 82* ; Lathe for, 280*

— * Solid and Pneumatic, Wheel Impact on Roads, 119, 129* — * Tramway, Standard Specification, 315

  • u.
  • ULTRA-Micrometer, Recording, Thermionic
  • Valve Type, 395*. See 469
  • Underfeed Stoker Company, Ltd., Ash-Hand
  • ling Plant, 231*
  • Unemployment. See Labour
  • Unions, Trade. See Labour ; Industrial Notes
  • United Kingdom, Railways of. See Railways

— * Shipbuilding of. See Shipbuilding — Trade of. See Trade - * — See also British — * States Advisory Committee for Aeronautics, Report, 152 — * Battleship, " Maryland," Electrically-Propelled, 191

  • — — Battleship " Tennessee " Electric Pro-pelling Machinery, 359*
  • — — Bureau of Mines. Tests of Coke Breeze and Bituminous Coal for Boiler Firing, 186 ; Report on Uses for Slate Dust, 672; Report on Recovery of Unburnt Boiler Fuel, 797 ; Investigations of Motor-Car Exhaust in Tunnels, 872 ; Alloy Steel Research, 892
  • — — Bureau of Shipping, Work of, 794
  • — — California, Water Shortage, 288
  • — Cost of Bridge Construction, 202, 235, 267, 268
  • — Cost of Labour in, 517
  • — — Coal Mining Methods, 608
    • Engineering Societies, Federation of, 63
    • Engineers, Message to British Engineers, 19
    • Finance and Taxation (Review), 514
  • — — Motor Car Prices, 225. See LETTER, 450
  • — — Moving and Raising Buildings, 842*
  • — Navy. See United States under Warships
  • — — Oil Resources, 27
  • — — Passenger Steamers, Design and Con
  • struction, 836, 847*
  • — — Patent Office, Permanency of Type
  • written Documents, 259
    • Railways, Locomotive Design and Eco-nomical Working, 743*
    • Railways, Train Loads on, 701
    • Railways. See also Railways ; Railroads
    • Shipping, Competition with Foreign, 794 — — Shipping, Port Facilities and Develop¬ment, 794
    • Vertical Lift Bridges in, 199*, 234*, 264*
  • — Washington Conference on Disarmament,
  • 704, 858
  • — — See also America
  • Universal Grinding Machine. See Grinding
  • Machine under Machine Tools
  • University. See Education
  • Unwin, R. B., on Mapping from Aeroplane
  • Photographs, 557*
  • Upper Atmosphere. See Atmosphere
  • Uranium, Properties and Uses, 841
  • v.
  • VAAL River Barrage, Rand Water Supply,
  • 325*
  • Vacuum Pump. See Pump
    • Tubes, Long, Hydrogen Spectra in, 434
    • See also Rontgen Rays; Telegraphy, Wireless Valency, Modern Theories of, 382, 529 Valparaiso-Santiago Railway, Electrification,
  • 797
  • Valves, Control Gear for Floating Docks, 772*. See 720
    • Corliss, and Operating Gear, Nordberg Winding Engine, 694*
    • Gear, Anthony Boiler Feed Pump, 658*
    • Gear, Diesel Engine, Ansaldo-San Giorgio, 722*
    • Inlet and Discharge, for Floating Docks, 742*. See 720, 772*
    • Manoeuvring and Emergency, Marine Tur¬bines, 473*
    • Regulating and Reducing, Oxygen Cylinders, Mine Rescue Apparatus, 569*
    • Samson Thermostatic Controller, 307*
    • Sleeve, Glasgow Oil Engine, 538*. See 37
    • Sluice, for Steam or Water, Clayton Valve Co., 472*
    • Steam, Governor, Turbo-Generator, 876*
    • Rotating Seat, Clayton Valve Co., 472* -- Steel Ring, High-Speed Ammonia Com-pressor, 508*
    • Stop, of Steam Hammer, Explosion, 537,
  • See Erratum, 570.
  • — Beardmore Quick-Acting, 759*
    • Superheated Steam, Rotating Disc Type, Clayton Valve Co., 472*
    • Thermionic. See Telegraphy, Wireless
    • Throttle, Nordberg Winding Engine, 694*
    • Timing, Internal Combustion Engines, Effect of Tappet Clearance, 249*
    • Unloading, for Air Compressors, 675*
    • Vacuum Pump, Pneumatic Grain-Handling Plant, 313*
    • and Valve Gear. See also Engines
  • Valveless Pump, Cam and Rubber Belt Type,
  • 416* ; Cam and Rubber Tube Type, 58* Vanadium, World's Output, Effect of War,
  • 140, 165
  • Vapour from Liquid Steel, 619. See 530 Variable-Speed Gear. See Gear ; Motor-Car Details
  • Varloy, S. A., the Late, 248
  • Ventilating Fan, Mine, Regainer for, 059*
    • Plant, London Sessions House, 518*
    • Plant, Severn Tunnel, 676 Ventilation of Textile Factories, 202*
    • Tunnel, Removal of Motor Car Exhaust, 872 Vertical Lift Bridges. See Bridges
    • Retorts, Carbonisation of Peat, 545
    • — Gas Manufacture, Steaming in 363, 560 Viaducts, Timber Arch, Durability, 635, 646
    • See also Bridges
  • Vibrations, Bridge, Investigations of, 431
    • Harmonic Analysis and Periodicity Measure¬ments, 469*
    • Measurements, Ferro-Concrete Tower, 196*
    • Torsional, Effect on Turbine Reduction Gears, 180. See 167, 311 "
    • Propeller Shafts, 363*. See LETTERS, 661
  • Vice. See Machine Tools
  • Vickers, Ltd., Nidd Valley Power Plant, 817* Victaulic Pipe Joints, 375*
  • Victoria Station, London, Reconstruction of Ebury Street Bridge, 163*
  • — B.C., Canadian Government Observatory,
  • 207*, 240*, 269*. 501. See LETTER, 249 Virginian Railroad, Mallet Locomotive for,745* Viscosity of Glass, Method of Investigating, 854 Viscous Liquids, Flow through Conical Tubes,
  • 711
  • Volatilisation, Chemical Analysis by, 226 Voltage Regulator, Automatic, Photometer Lamps, 711
  • Voting, Trade Union, Validity of, 826 Vulcanising Pan, Explosion of, Report, 236
  • W.
  • WAGES. See Labour
  • Wagons, High Capacity, and Train Loads,
  • 701. See 827
    • Motor. See Motor Lorries ; Tractors
    • Railway, Container Car System, 820*
    • Tippler, Revolving, Cordite Factory, 706* Walker, R. J., on Marine Turbine Reduction Gears, 142, 167

— * Transporter Crane, Royal Albert Dock Construction, 7*

  • Wall, Dr. T. F., on Power Transmission, 409, 587*
  • Walls, Training, River Estuaries, Comparisons, with Dredging, 121, 131

— * Quay, Stability of, 822

  • Wallace (Glasgow), Ltd., Oil Engine, 37, 538*.
  • Wallsend Slipway & Engineering Co., Ltd., Oil Fuel Installation, S.S. " Paris," 246* ; Geared Turbines for S.S. " San Felix," 441* ; Propelling Machinery, S.S. " Giulio Cesare," 662*
  • Walsh & Clark, Ltd., Oil Tractor for Cable Ploughing, 36*
  • Wanklyn, H. A., Motor Car Jack, 627* War, European. See European War
  • Ward & Crichton, Tompkin's Steam Separators, 416*
  • Warehouses, Dock, Goods Handling in, 52, 81 Warfare, Naval. See Warships

— * Poison Gases in, 382 — * Use of Aircraft in. See Aeronautics

  • Warming and Ventilating Plant, London Sessions House, 518*
  • Warner, R., & Co. (Engineers), Ltd., Boiler Feed Pump, 658* ; Feed-Water Regulator, 785*
  • Warner & Swasey Company, 72 in. Telescope Mounting, Canadian Government, 207*, 240*, 269*. See LETTER, 249. See also 501
  • Warships :
  • Air Supply to Boiler Rooms (Review), 110 Brassey's Naval and Shipping Annual (Review), 798
  • French Naval Policies, 318
  • German Battleship " Baden," Armour-Plate Trials, 419, 610*. See Erratum, 633
  • H.M. Navy, Contracts for Battle Cruisers, 605
    • Disarmament Proposals, 704, 858
    • Early Marine Engineering, 486. See 452
    • in Great War, History of Operations (Review), 767
    • New Capital Ships, 223. See 194, 605
    • Warships Built and Building, 194. See 223
  • Japanese Navy, Disarmament Proposals, 704, 858
    • Warships Built and Building, 195. See 223
  • Naval Powers, Warships Built and Building, 194. See 223
    • Warfare, Value of Aircraft and Sub
  • marines, 318
  • Submarines in Naval Warfare, 318
    • Protection of Merchant Ships, 787* Torpedo Attack, Protection of Merchant Ships against, 787*
  • United States Battleship, " Maryland," Electrically-Propelled, 191
    • Battleship " Tennessee," Electric Propelling Machinery, 359*
  • — — Destroyers, Turbine Blading Fail¬ures in, 615*, 647*. See 636
    • Navy, Disarmament Proposals, 704,
  • 858
  • — — Navy, Quimby Fuel Oil Pump, 884*
    • Navy, Warships Built and Building,
  • 194. See 223
  • Washington Conference on Disarmament,
  • 704, 858
  • See also Naval in PARAGRAPH INDEX
  • Washing Coal, Froth Flotation and Rheola
  • veur Processes, 24, 45, 76
  • Washington Conference on Disarmament, 704,
  • 858
  • Waste, Effect on Industrial Situation, 514
    • Heat, Utilisation in Works and Power
  • Plants, 24, 45, 77, 89
  • Watch, Astronomical, S. Smith & Son, Ltd., 785
  • Watches, Testing at N.P.L., 159
  • Water Density in Boilers, Indicator for, 57
    • Gas. See Gas
    • Hammer Action, Steam Pipe Explosions, 102, 839
    • Heating by Exhaust Steam, 24, 42, 74. See Errata, 153
    • — See also Feed-Water Heaters
    • Injection, Internal-Combustion Engines, 64
    • Level Indicators for Floating Docks, 772*, See 720
    • Lifter, Aquatole, Belt Type, 37, 417
    • Endless Rope Type, Hydrohoist, 759*
    • Pipes, Cast Iron, Corrosion of, 145, 168
  • — — Iron Bacteria and Incrustation, 457*.
  • See 430
    • Power, British Resources, Report, 828
    • Canadian Resources, 226, 890
    • Committee, Report, 639
    • Development, Formosa, 159
  • Water Power, Engineering, Treatise on (Re-view), 736
    • German Resources, 15
    • Hydraucone Regainer for Turbines, 293*
    • in Mineral Industry, 24, 44, 76
    • Need for Utilisation, 828
    • Plant, Nidd Valley, 718*
    • Plants, Scotland, Linking Up, 410. See 406
    • Plants, Scotland, Schemes in Parliament, 767
    • Research Required, 421. See 406
    • Resources, British Empire, 639. See 226, 828, 890
    • Tidal, Analysis of Severn Scheme, 424*. See 406, 422. See LETTER, 540
    • Tidal, Transmission of Electrical Energy,
  • 409, 587*
    • World's Development, 420. See 406
    • See also Hydraulic ; Power Plant ;
  • Power, Water ; Turbine, Hydraulic
    • Pressure on Ships' Plating, Stresses Pro¬duced, 368*, 405. See LETTERS, 410*, 486, 540*, 567, 612, 640, 693
    • Separation from Oil Emulsions, 771
    • Shortage in California, 288
    • Supply, Bradford, Hydro-Electric Power Plant, 817*
  • — Comparisons between Reciprocating and Turbine Driven Pumps, 23, 42, 74. See LETTER, 279. See also 430, 644*

— * — Corporation of Birkenhead, 286* - * — Ferro-Concrete Pressure Conduits, 145, 168

  • — — Ground Water, Factors Affecting Flow, 256*
    • Iron Bacteria and Pipe Incrustation, 457*. See 430
    • Rainfall Distribution and Measurement, 256*
    • Rainfall and Run-off Ground, 146, 169, 258. 513. See Errata, 195
    • Rand, Vaal River Barrage, 325*
    • Schemes, Compensation Water, 144, 169
    • Schemes in Parliament, 767
    • Winnipeg, New Aqueduct, 589*, 621* — — Yield of Catchment Areas, 513
    • See also Irrigation
    • Surfaces, Evaporation from, 258
    • Tight Subdivision, Merchant Ships, Tor-pedo Attack, 787*
    • Subdivision, 'U.S. Passenger Steamers, 837
    • Tube Boiler. See Boiler
    • Turbines. See Turbine, Hydraulic ; Power Plant
    • Velocity of Air Bubbles in, 459*. See 693
    • Works. See Water Supply and PARAGRAPH INDEX.
  • Waterproofing•Concrete, Ferro-Concrete Work, 40, 73. See 23
  • Waterways. See Rivers ; Canals ; Naviga¬tion, Inland
  • Watson, G. W., on Standardisation in Motor Car Industry, 573

— * J. D., On De-Watering Sludge, 87, 115 ; on Power Gas from Sewage, 456*. See 431

  • Wave-Making Resistance of Ships. See Ship Resistance
  • Waves, Effect on Ship Propulsion, Model Experiments, 99

— * Electromagnetic. See Telegraphy, Wireless

  • Wayne Engineering and Equipment Company,
  • Electric Cable Reel, 550*
  • Weather. See Meteorology
  • Weaving Sheds, Ventilation and Humidifica
  • tion, 202*
  • Webs, Plate Girders, Stresses in, 349
  • Weekes, M. G., on Straw Filters for Sewage,
  • 86, 114. See Erratum, 153
  • Weights, Atomic, and Isotopes, 382
  • Weir, G. c4L J., Ltd., Feed Heater and Pump for
  • Locomotives, 150*
  • Weir, Lord, on the Industrial Situation, 576
  • Welding Apparatus, Oxy-Acetylene and
  • Electric, Olympia, 439
    • Machines, Resistance, for Seams, 470*
    • Process, Hyde, Using Copper, 338* Welfare Work, See Labour
  • Wellbourn, B., on Low-Voltage Overhead Distribution, 87, 117
  • Welldeck Steam Trap, 345*
  • Wells, Oil, Improving Yield, 827. See 670 Wentworth-Sheilds, F. E., on Protecting
  • Reinforced Concrete, 23, 73 ; on Stability
  • of Quay Walls, 822
  • West, F. J., Presidential Address to Manchester Association of Engineers, 545
  • West, H. J., & Co., Ltd., Ammonia Compressor, 507*
  • West, J. H., on Claude Ammonia Process, 732
  • Westinghouse Electric & Manufacturing Co., Automatic Sub-Station, 747* ; Chilian Railway Electrification, 797 ; Electric Locomotives for Paulista Railway, 854*
  • Westminster, Suspended Impurities in Atmos-phere, 555*. See 12, 531, 554*, 737
  • Wet Conveyor System, Ash-Handling, Poplar Power Station, 231*
  • Wharf Cranes. See Cranes
  • Wharves, Construction of, Ferro-Concrete Caissons, 23, 40, 73. See Erratum, 152
    • Ferro-Concrete, Deterioration and Protec-tion, 23, 40, 73
  • Wheat Carrying Ships, Protection against Sub-marines, 787*
  • Wheels, Gear. See Gears ; Gearing ; Marine Propulsion
    • Impact on Roads, Solid and Pneumatic Tyres, 119, 129*
    • Railway, Damage by Slipping, 54, 82* — — Lathe for Turning, 280*
    • Turbine Rotor, Bursting of, 829*
  • Whiffen Laboratory, Imperial College, 12 Whipwater Valveless Pump, 416*. See 58* White, W. M., on Hydraucone Regainer, 293* — Lead in Paint, Case against Prohibition,
  • 323. See LETTER, 451

— * Metal. See Alloys under Metallurgy Wilkinson, F. A. & Partners, Ltd., Wind-Driven Electric Power Plant, 282

  • Wills, C. J., the Late, 187
  • Wilson, D., on Boiler House Management, 67. See LETTER, 149
  • — Condensation Apparatus, Cleaning of Blast Furnace Gas, 58
  • Wimperis, H. E., on Internal-Combustion
  • Engine Theory, 63. See LETTER, 220 Winches, Cargo, Electric, at Olympia, 435*
  • — Oil Engine-Driven, Parsons Motor Co., Ltd.,
  • 25*
  • Wind-Driven Electric Power Plant, Wilkinson System, 282
    • Dynamics of, 693
    • Loading, Sydney Harbour Bridge, 881
    • Tunnels. See Aeronautics.
  • Winding Engines, Steam, Nordberg Manufacturing Co., 565*, 628*, 694*, 752*
    • Mine, Steam versus Electric, 141, 166 Wings, Aeroplane. See Aeronautics
  • Winnipeg Water Supply, Aqueduct, 589* 621* Wire Filament Lamps. See Lamps under theetrie
    • Ropes, Fractures of Wires, 406, 707* — — for Vertical Lift Bridges, 200
    • Water Lifter, the Hydrohoist, 759*
    • Springs, Chart for Designing, 173*
    • Steel; Brittleness Produced by Pickling, 226 Wireless Telegraphy. See Telegraphy
    • Telephony. See Telephony
  • Wiremen, `on-Union, and Electrical Trades Union, 705
  • Wohler's Tests. See Alternating Stress under Tests (Materials).
  • Women's Engineering Society,. Competition,
  • Domestic Labour-Saving Devices, 892 Wood. E., & Co.. Ltd., Steelwork. Grain-Hand
  • ling Plant, Bordeaux, 312*, 370*
  • — Plastic, for Pattern Making, etc., 785
  • Wood Refuse, Suction Producer, Davey, Pax man & Co., Ltd., 8*
  • Woods, A. R. T., on Ship and Harbour Design and Equipment, 21, 31, 38
  • Woodhouse, W. B., on Power Distribution, 117, 128*
  • Woodworking Machinery. See Machine Tools Woolwich Arsenal, Investigations of Season Cracking, 262*, 297', 327*
  • Wordingham, C. H., on a National Proving House, 825
  • Works :
  • Alkali Works, Report on, 190
  • Allen, E., dt Co., Ltd., Steel Works and
  • Products, 272*, 304*, UP
  • Clarke's Crank & Forge Co., Ltd., Works
  • and Products, 777*, 811*
  • Coal Carbonisation, Coalite Manufacture,
  • 596*. See 68, 110.
  • — — Smith Continuous Process, 175*. See
  • 68
  • Domnarfvets Iron Works, Slag Cement
  • Manufacture, 103
  • Engineering Works, Apprentices
  • and
  • Premium Pupils in, 667
    • in British Malaya, 823
  • Factories, First Aid in, 224
  • French Iron and Steel Works, War Damage
  • and Reconstruction, 383. See 418, 636
  • Industrial Accidents, Report on, 224
    • Disease. See Labour
  • Iron and Steel Works, Utilisation of Waste
  • Heat, 89
  • Locomotive Works, Horwich, Foundry
  • Control, 832* .
  • Works—coat inusd.
  • Siemens-Schuckert Works, Employment of Blind in, 715*
  • Steel Works, Manipulators for Heavy Forgings, 151*
  • Textile Factories, Ventilation and Humidi¬fication, 202*
  • Welfare Movement in Works. See Labour Works Management, Cost Keeping, Four-Week Period, 804
    • Foundry Costs and Establishment Charges, 894o
    • Foundry, Norwich Works, 832*
    • Increasing Production, Employers' Part, 150
  • Workers, Industrial, Health of (Review), 877 Workman, Clark it Co., Ltd., 83. " San Benito," 481
  • Workmen. See Labour
  • Workshop Training. See Apprenticeship ; Education
  • Worm Gearing. See Gear ; Gearing Worthington, W. B., on Railway Maintenance
  • and Civil Engineering Profession, 035, 040 Wreck Raising. See Salvage
  • Wrench, A., on Repairing Cracks in Loco¬motive Tube Plates, 251*
  • Wrought Iron. See Iron
  • X.
  • X-rays. See Itontgen Rays
  • Xylonite Models for Stress Determination.
  • See Optical

Y. *

  • YARN Drying Cylinder, Explosion of, 217 Yarrow & Co., Ltd., Closing of Shipbuilding Yard, 286
  • Yarrow, H. E., on Shipbuilding Research, 574 Year Books. See LITERATURE INDEX Yeast Extracting Machines for Breweries, 638 Yellow River Bridge, Tenders for, 517, 540, 567 York, Trolley Omnibuses at, 354
  • Young Engineers and the Junior Institution,
  • 255, 733. See LETTERs, 278, 311, 346, 372 Young, II. J.. on Grey Iron Castings, 892 Younger Research Prize, 17
  • Ypres to Verdun, Photographs of War Areas (Review), 798
  • Yugo-Slavia, Mineral Resources, 823

Z.

  • Z.R. 2, Airship, Loss of. 320, 545. See 347,851* Zimmer, G. F., on Coal and Ash-Handling Plant, Cordite Factory, 706*
  • Zinc Alloys. See Alloys under Metallurgy
    • Polishing and Etching for Microscope, 490*. See 484
    • Prices. See Metal-Price Diagrams
    • Rolled, Properties and Microstructure, 489* See 484
    • Strengthening by Compression, 711
    • Supplies, Effect of War, 140. See 165 Zoelly Turbine Locomotive, 292*


See Also

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Sources of Information