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The Engineer 1925 Jan-Jun: Index: Miscellaneous

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The Engineer 1925 Jan-Jun: Miscellaneous Index.
The Engineer 1925 Jan-Jun: Miscellaneous Index.
The Engineer 1925 Jan-Jun: Miscellaneous Index.
The Engineer 1925 Jan-Jun: Miscellaneous Index.
The Engineer 1925 Jan-Jun: Miscellaneous Index.
The Engineer 1925 Jan-Jun: Miscellaneous Index.
The Engineer 1925 Jan-Jun: Miscellaneous Index.
The Engineer 1925 Jan-Jun: Miscellaneous Index.
The Engineer 1925 Jan-Jun: Miscellaneous Index.
The Engineer 1925 Jan-Jun: Miscellaneous Index.
The Engineer 1925 Jan-Jun: Miscellaneous Index.
The Engineer 1925 Jan-Jun: Miscellaneous Index.
The Engineer 1925 Jan-Jun: Miscellaneous Index.
The Engineer 1925 Jan-Jun: Miscellaneous Index.
The Engineer 1925 Jan-Jun: Miscellaneous Index.
The Engineer 1925 Jan-Jun: Miscellaneous Index.
The Engineer 1925 Jan-Jun: Miscellaneous Index.
The Engineer 1925 Jan-Jun: Miscellaneous Index.
The Engineer 1925 Jan-Jun: Miscellaneous Index.
The Engineer 1925 Jan-Jun: Miscellaneous Index.
The Engineer 1925 Jan-Jun: Miscellaneous Index.
The Engineer 1925 Jan-Jun: Miscellaneous Index.
The Engineer 1925 Jan-Jun: Miscellaneous Index.
The Engineer 1925 Jan-Jun: Miscellaneous Index.

Note: This is a sub-section of The Engineer 1925 Jan-Jun: Index

View the Volumes that this Index refers to.

ABERDEEN—see Water Supply-

Abrasion, Surface, and Corrosion, Ulick R.

Evans, 294

Adjustable Parabolic Curve, W. H. Harling, 580

AERONAUTICS :

See also Annual Articles

Aero-engines:—see Engines

Aircraft:

All-metal Flying Boat, Rohrbach Metal Aeroplan Company, 350, 354

Beardmore Wee Bee I. Monoplane, 19 (Supplement, January 2nd, 1925)

Blackburn 1000 H.P. Torpedoplane

“ Cubaroo,” 20, 21

Gloucestershire “ Gannet ” Light Biplane, 19 (Supplement, January 2nd, 1925)

Handley Page Triple-engines Commercial Biplane “ Hamilton,” 21 (Supplement, January 2nd, 1925)

Hawker Cygnet IT. Biplane, 21 (Supplement, January 2nd, 1925)

Parnail Pixie ITT. Monoplane, 21 (Supplement, January 2nd, 1925)

United States and Rigid Airships, 455

Vickers “ Vulture ” Amphibian Biplane, 21

Westland Widgeon Monoplane and Westland Wood Pigeon Biplane, 21 (Supplement, January 2nd, 1925)

AIRCRAFT Apprentices, Vacancies for, 224 Air Ministry’s Competition, 19, 224 Royal Air Force Cadetships, 405

AHRONS, E. L., The British Steam Railway Locomotive from 1825-1924, 2, 34, 66, 94, 124, 150, 178, 206, 232, 258, 288, 316,344,

370, 398, 424, 452, 478, 506, 534, 562,590.

616, 642, 670, 698; (Letters), 155, 240,278,

468, 516, 704

Air Compressing Plant, Electric-driven, Automatic, Hamworthy Engineering Company. Ltd., 170

Aitchison, O. L., and L. W. Johnson, Grain and the Fatigue Strength of Steels, 540

Allcut, Professor E. A., Tests on a Two-stroke Cycle Oil Engine, 593

All-shining Plant at a South African Mine, 595 Alternators—see Electrical Matters

Ambulance Reconditioning Works of the Metropolitan Asylums Board, 208, 216

Analogies, 271

Angus, H. T., and P. F. Summers, The Effect of Grain Size upon Hardness, &c., 294

ANNUAL ARTICLES :

Aeronautics in 1924, 18

(Supplement, January 2nd, 1925)

For Names of Machines—see Aeronautics Airships, 22

Light Aeroplanes, 19 (Supplement, January 2nd, 1925)

Some Civil and Military Machines, 20, 21 (Supplement, January 2nd, 1925)

SNUAL ARTICLES {continued) :

Electrical Engineering in 1924, 25, 38 {Supplement, January 2nd, 1925)

Automatic Sub-stations, 39 {Supplement, January 2nd, 1925)

Colliery Plant, 39

Converting Plant, 40

Electric Motors, 41

Electric Traction, 40

Hydro-electric Plant, 40

Power Station Plant, 38

Rolling Mill Plant, 39

Switchgear, 41

Transformers, 41

Transverter, 2000-K.W., W. E. Highfield, 2G {Supplement, January 2nd, 1925)

Wireless Communications, 26. {Supplement, January ^nd, 1925)

Gas Engineering in 1924, 96

Coke and Other Residuals, 97

Production of Smokeless Fuels, 96

Trend of Carbonisation, 96

Wembley and the World Power Conference, 97

Harbours and Waterways, 1924, 37

British Ports, 37

United Kingdom, 37

Bristol Channel and South Wales Ports,

37 {Supplement, January 2nd, 1925)

British Inland Waterways, 37 {Supplement, January 2nd, 1925)

Mersey and Manchester Ship Canal, 37

North-East Coast and Humber Ports, 37

Other Ports, 37

Port of London, 37

Scotland, 37

Southampton, 37 {Supplement, January 2nd, 1925)

European Ports, 37

Antwerp, 38

France, 38

Italy, 37

Continental Waterways, 38

Africa, 38

North and South America, 38

Canada, 38

United States, 38

South America, 38

Australia and the East, 38

Australia, 38

India and Ceylon, 38

Far East, 38

Locomotives of 1924, 9

{Supplement, January 2nd, 1925)

See also Locomotives, Subjects Index

Exceptional Locomotives, 9 {Supplement

January 2nd, 1925)

Great Western Railway, 11 {Supplement

January 2nd, 1925)

London, Midland and Scottish Railway, 1( {Supplement, January 2nd, 1925)

London and North-Eastern Railway, 11

Makers’ Locomotives, 11

Normal Locomotives, 10

Southern Railway, 11

KTNUAL ARTICLES {continued}

Motor Ships and Marine Oil Engines in

1924, 4 {Supplement, January 2nd, 1925)

Auxiliary Machinery, 7

Diesel Engine Research and Testing Work,

7

Double-acting Engines, 7 {Supplement, January 2nd, 1925)

.Four-stroke Single-acting Engines, 4

Beardmore-Tosi Type, 6

Harland and Wolff-Burmeister and Wain

Type, 4

North-Eastern-Werkspoor Type, 6

Vickers Solid Injection Type, 6

Opposed Piston Engines, 6 {Supplement, January 2nd, 1925)

Camellaird-Fullagar Type, 6 {Supple

ment, January 2nd, 1925)

Doxford Engine, 6

Scott-Still Type, 7 {Supplement, January

2nd, 1925)

Progress in America and on the Continent.

7

Small Motor Craft, 7

Two-cycle Single-acting Engine, 6, 16, 23

Neptune Type, 6

Nobel Type, 6

Sulzer Type, 6, 16, 23

Conclusion, 8

Naval Construction in 1924, 8

British Empire, 8

France, 9

Italy, 9

Japan, 9

Minor Navies, 9

Netherlands, 9

Spain, 9

United States, 8

Railways in 1924, 56

Accidents, 57 ; (Paragraph), 77

General, 57

Great Western, 56

Ireland, 57

London, Midland and Scottish, 56

London and North-Eastern 56

Metropolitan and Great Central Joint, 56

Signalling, 57

Southern, 56 ; (Paragraph), 77

Underground, 57

Sanitary Engineering in 1924, 25, 41

Folkestone’s New Outfall Works, 41

Leeds, 25

Lincoln, New Sewage Pumping Station at,

25

London Main Drainage, 25

Eltham Sewer, 25

Hammersmith Pumping Station, 25

Lewisham Branch Sewer, 25

North-Eastern Storm Relief Sewer, 25

Sludge Steamers, 25

South-Western Storm Relief Sewer, 25

Streatham-hill Sewer, 25

Manchester Main Drainage Scheme, 25

Newark, New Disposal Works at, 25

Other Works under Construction or ir Contemplation, 41

ANNUAL ARTICLES {continued):

Sanitary Engineering tn 1924 {continued)-.

Sewage Treatment by Agitation and

Aeration, 42

Activated Sludge or “ Diffused Air ” Process, 42

“ Bio-aeration ” Process, 42

“ Simplex ” Surface Aeration Process, 42

Works at Glasgow, 42

Works at Manchester, 42

Two Thames-side Sewage Works, 25

{Supplement, January 2nd, 1925)

Walshaw System of Disposal, 42

Steamships of 1924, 22

{Supplement, January 2nd, 1925) Dredgers, Harbour and River Boats. 23 Flettner Developments, 23 {Supplement,

January 2nd, 1925)

Higher Steam Pressures, 23

Railway Boats and Cross-Channel Steamers,

23

Reconditioning and Repairing, 23

Salvage Work and Shipbreaking, 23 {Supplement, January 2nd, 1925)

Some Liners of the Year, 22 {Supplement, January 2nd, 1925)

Steel of Controlled Elastic Limit for Shipbuilding, 23

Water Supply in 1924, 68, 100

Belfast Supply, The Silent Valley Reservoir, 69

Cardiff, 69

Llwynon Reservoir, 69

Roughing Filters, 69

Taff Fawr Conduit, Second Pipe Line, 69

Wen al It Reservoir, 69

France, 102

Glendevon Waterworks, 69

Guernsey’s New Supply. 100

High Head Pumping Plant at Simla, 1C 1 Hong Kong, ] 01

  • Indian Coalfield, Water Supply in, 101 Liverpool 68

Oswestry, New Filters at, 68

Trunk Main, New, Prescot, Liverpool, 68

Manchester Water Supply, 69

Thirlmere, 69

Thirhnere Aqueduct, 69

Heaton Park Reservoir, 69

Metropolitan Water Board, 68

General, 68

Intercommunication Works Between the Southern and Northern Districts, 68

Kent District, Works for Improvement of Supply, 68

Littleton Reservoir and the Supply Therefrom, 68

River Supply South of the Thames, Works for Improvement, 68

Perth, New Scheme for. 100

Repairing a Damaged Reservoir, 100 {Supplement, January 2nd, 1925)

Ryburn Scheme of the Wakefield Corporation, 100

Sennar Dam on the Blue Nile, 101 {Supplement, January 2nd, 1925)

ANNUAL ARTICLES (continued):

Water Supply in 1924 (continued):

Singapore, 101

Works Abroad, Other, 102

Works under Construction or in Contemplation, 101

ANTI-FRICTION Bearing Applications for Heavy Duty, J. B. Dahlerus, 181, 197, 237, 243 ; (Letter), 295

Anti-malarial Campaign, How to Conduct, i Professor Emile Brumpt, 598

Apexior—see Heat Transmission

Apprenticeship, 601

Apprenticeship in the Royal Ordnance Factories, G. W. Tripp, 372

Archbutt, S. L., Aluminium Alloy Castings, Improving the Properties of, 294

ASSOCIATIONS, INSTITUTIONS & SOCIETIES

Association, British Acetylene and Welding :

Scientific Aspects of Welding, Professor C. R.

Darling, 113

Association, British Waterworks :

Annual General Meeting, 634, 718

Programme, 634

Association, Diesel Engine Users’ :

Pyrometry of Exhaust Temperatures of Internal Combustion Engines, Chas. E. Foster, 598

Recent Oil Engine Developments, J. L. Chaloner, 456

Submarine Engines and High-speed Heavy Oil Engine Electric Generating Sets, P. A. Holliday, 219

Association of Engineers, Manchester :

Annual Dinner, 188

Internal Combustion Turbine, Dr. T. B.

Morley, 278

Pulverised Coal, R. Jackson, 97

Visit to Carborundum Company’s Works, 598

Association of Technical Institutions :

Annual Meeting, 302

Technical Education, Local Colleges, Decline of Apprenticeship System, 302

Institute, Indian, of Engineers :

Annual General Meeting, 352

Institute, Iron and Steel:

Annual Meeting, 411, 538, 566

Annual Dinner, 411, 541

Programme, 411

Report, 539

Carnegie Research Scholarship Awards, 566

Detection of Strain in Mild Steels, T. H.

Turner, and J. D. Jevons, 540

Diamond Pyramid for Hardness Testing,

! R. L. Smith and G. E. Sandland, 566 Economics of the Heavy Iron and Steel

Industry, Presidential Address, Sir Frede-rick Mills, 524

“ Flakes ” or “ Hair Cracks ” in Chromium

Steel, A. Hultgren, 539

Gases and Formation of Blow-holes, A. G.

Lobley and C. L. Betts, 540

Grain and the Fatigue Strength of Steels,

O. L. Aitchison and L. W. Johnson, 540

i Martensite and Troostite, T. H. Whiteley, 567

Nitrogen and Temper Brittleness, W. T.

Griffiths, 566

“ Peeling ” in White-Heart Malleable, D. H.

Ingall and H. Field, 566

Progress in British Rolling Mill Practice, T. W. Hand, 539

Quenched Carbon Steels, B. D. Enlund, 567

Stain Detection in Mild Steel by Special

Etching, J. D. Jevons, 540

Temper Brittleness of Steel, R. H. Greaves and J. A. Jones, 566

Joint Meeting with Faraday Society, 648 Chemistry of Steel Making, 648

Institute of Marine Engineers :

, Presidential Address, Sir Westcott Abel, 191

Institute of Metals :

Annual General Meeting, 223, 294, 324 ;

Programme, 223

Annual Dinner, 294

Abrasion of Metals, Experiments, &c., Professors, K. Honda and R. Yamada, 326

Aluminium Alloy Castings, Improving the

Properties of, S. L. Archbutt, 294

Aluminium-Zinc System, Professor Tomimatu Isihara, 325

Brittle Ranges of Brass, Dr. Denis Bunting. 324

Commercial Copper Rod, Comparative Tests, I &c., T. G. Bamford, 324

Copper-Zinc System, G. L. Bailey and R. | Genders, 325

Density of Rhodium, Sir Thomas Kirke Rose,

Effect of Grain Size upon Hardness and Annealing Temperature, H. T. Angus and P. F. Summers, 294

Electrical Resistivity of Copper, A. L.

Norbury, 325

Industrial Brasses, G. L. Bailey and R. Genders, 325

Motion of Electricity in Metals, Annual Lecture, Professor H. A. Lorentz, 512

Removal of Red Stains from Brass, E. A. Bolton, 325

Surface Abrasion and Corrison, Ulick R. Evans, 294

Institute of Transport:

Annual Congress, 541

List of Papers and Programme, 541

Modern Dock Equipment, H. J. Deane, 571

Institution of Chemical Engineers :

Internal Combustion Boiler, Oscar Brunler, 184

Supersaturation, Professor A. L. Mellanby, 543

ASSOCIATIONS, INSTITUTIONS & SOCIETIES (continued) •

Institution of Civil Engineers :

Conversazione, 684

Lectures, ‘‘ Progress of Steam Locomotive during the last Century,” Sir H. Fowler ; “ Air Transport,” Sir W. Sefton Brancker ; “ Reminiscences of Mount Everest Expedition, 1924,” N. E. Odell, 684

Metering Steam, Kent-Hodgson Turbine Steam Meter, 684

Exhibits, R otary Air Compressors, Reavell Rolling Drum ; Small, for Hospitals and Laboratories, Mr. Quertier, 684 ; Cement Spraying Apparatus and Stucco Gun, Professor S. M. Dixon, 684 ; Prints and Photographs of Early Locomotives and Trains, Models, &c., 685

Effect of Camber on Wood-paved Roads, James Garvie, 570

Heat Engine Trials Committee, Joint Meetings, 357, 520

Heavy Oil Engines, Large Engines of the Self-ignition Type, James Forrest Lecture, by Captain H. Riall-Sankey, 508

October Examinations, 1924, Pass List, 114

Birmingham and District Association :

London Water Supply, Some Features of» H. E. Stilgoe, 159

Institution of Electrical Engineers :

Design of Electrical Plant Control Gear, &c., H. W. Clothier, 268

Electric Forces and Quanta, Kelvin Lecture, J. H. Jeans, 181

Electricity in Mines, Major E. Ivor David, 244, 248

Roll of Honour, 1914-1919 ,456

Summer Meeting, 380, 660, 677

Programme, 380

Visit to Birmingham Corporation’s Power Station at Nechells, 654, 660

Visits to Witton Factory, General Electric Company, 677 ; Austin Motor Co.’s Works, Longbridge, 678 ; Longbridge Arc Rectifier Sub-station, 678 ; Overhead Distribution System, Catshill, 679 ; Stourport Power Station, 679 ; British Thomson-Houston Co.’s Works, 680

Three-wire Direct-current Distribution Networks, H. W. Taylor, 75

Wireless Telegraphy and Signalling Bill, 349 Western Centre :

Summer Meeting at Dursley, Gloucestershire, 634

Wireless Section :

Current Transformer Methods of Producing Small Known Voltages, &c., D. W. Dye, 295

High-frequency Resistance Measurement, New Method, Professor E. Mallet and Mr. A. D. Blumlein, 69

Measurement of Frequency and Allied Quantities, &c., Colonel K. E. Edgeworth and

G. W. N. Cobbold, 295

Institution of Engineers and Shipbuilders in Scotland :

Four-cycle Marine Oil Engine, H. H. Blache, 246, 247

Institution of Gas Engineers :

Annual Meeting, 414 ; Provisional Programme, 414

Presidential Address, Excerpts from, J. Ferguson Bell, 656

Institution of Heating and Ventilating Engineers: Hot Water Supply Installations for Hospitals,

H. G. Cathcart, 714

Institution, Junior, of Engineers :

High-pressure Cables, Major A. M. Taylor, 115 ; (Letter), 140

Inverted Tooth-chain Drives, J. M. Seddon, 280

Irrigation Engineering in Burma, A. P. Morris, 380

Milestones in the Development of the Prime Mover Locomotive, Honorary Member’s Lecture, Loughnan Pendred, 223

Power Plant Records, R. H. Parsons, 140 Presidential Address, Dr. Alexander Russell, 76

Institution of Locomotive Engineers :

Annual Dinner, 244

Institution of Mechanical Engineers :

Annual General Meeting, 236 ; Election of Council, 236 ; Annual Report, 236

Anti-friction Bearing Applications for Heavy Duty, J. B. Dahlerus, 181, 197, 237

Cutting Tools Research Committee Reports : Action of Cutting Tools, Professor E. G.

Coker, 318

Flow and Rupture during Cutting, Dr.

W. Rosenhain and Mr. A. C. Sturney, 126 Forces on a Cutting Tool, Dr. T. E. Stanton and Mr. J. H. Hyde, 126

Lathe Tools, Experiments with, &c., Dempster Smith and Arthur Leigh, 318 Examinations, April, 1925, 691 Hardness Tests Research, Adhesion between

Tool and Material, G. A. Hankins, 483 Hardness Tests, Scratch, G. A. Shires, 483 Steam Nozzles Research Committee’s Report, 536

Summer Meeting, 295 ; Provisional Programme, 295

Tests on a Two-stroke Cycle Oil Engine, Professor E. A. Allcut, 593

Joint Meeting with Institution of Naval Architects, Report of Marine Oil Engine Trials Committee, 346

Graduate Section :

Super-power Stations in America, Annual Lecture, W. H. Patchell, 264

North-Western Branch :

Corrosion-resisting Steels, Dr. W. H. Hatfield, 431

Steam Nozzles Research Committee, Fourth Report, 565

Swiss Rail wav Electrification, E. A. Eborall, 485

Wire Ropes Research Committee, Second Report, Dr. W. A. Scoble, 128

ASSOCIATIONS, INSTITUTIONS & SOCIETIES (continued):

Institution of Mining Engineers :

Eighty-third General Meeting, 608 Programme, 608

Institution of Municipal and County Engineers .

Annual General Meeting and Conference, 572 Programme, 572

Institution of Naval Architects :

Annual Meetings, 336, 376, 401, 429 ; Programme, 336 ; Annual Dinner, 379 ; Report, Awards for Papers, Elections, 376

Analysis of Sir John Biles’ Paper on H.M.S.

Wolf Experiments, G. H. Hoffmann, 401

Efficiency of .the Screw Propeller, Suggested Method of Increasing, Walter Pollock, 402, 444

Form Effects and Form Resistance of Ships, W. G. A. Perring, 402

Japan’s Contribution to Naval Architecture, Professor F. B. Purvis, 401

Marine Oil Engine Trials Committee, 346, 403

Model Experiments with Anti-rolling Tanks, H. J. R. Biles, 429

Notes on the Rolling of Ships, G. Vedeler, 429

Propulsive Performance of the Corrugated Ship, E. V. Telfer and A. H. Haver, 430

Skin Friction Committee’s Report, 402

Stability and Seaworthiness, G. Frodsham Holt, 430

Steam Engines v. Oil Engines for Passenger Ships, Sir John Biles, 377, 388

Stresses in Rectangular Plates, &c., Professor C. E. Inglis, 429

Tonnage Legislation, E. Blocksidge, 430

Trading Conditions and Intermediate Passenger Vessels, W. G. Cleghorn, 430

Wake Propeller Coefficients, Admiral D. W. Taylor, 402

Institution, North-East Coast, of Engineers and Shipbuilders :

Conversion of the S.S. Bintang, L. J. Le Mesurier, 380

Fuel Consumptions of Steam and Oil-engined Vessels, Sterry B. Freeman, 136

Institution, Royal:

Faraday as a Chemist, Sir Win. Pope, 686

The Counting of Atoms, Sir Ernest Rutherford, Studies of Atomic Nuclei, 278, 331, 362, 380

Institution of Water Engineers :

Thirteenth Summer General Meeting and Programme, 719

Society of Engineers and Metallurgists :

Lecture on Gas Furnaces, Stanley A. Sears, 352

Society, Faraday :

Joint Meeting with Iron and Steel Institute, 648

Chemistry of Steel Making, 648

Society of Glass Technology :

Design of Modern Glass-melting Furnaces, 154

Sillimanite as a Glass Works Refractory, F. G. Clark and W. J. Rees, 273

Sillimanite in the Preparation of Refractory Materials, A. Cousen and Professor W. E. S. Turner, 273

Society, Liverpool Engineering :

Construction of a Spirally Guided Gasholder and Tank at Garston, E. Astbury, 291

Society, Radio, of Great Britain :

Presidential Address, Sir Oliver Lodge, 139

Resistance in Wireless Circuits, Lecture by Professor C. R. Fortescue, 265

Society, The Royal:

Conversazione, Various Exhibits, 541

Society, Royal, of Arts :

Cantor Lectures, Three, on Atomic Structure of Metals and Alloys, Dr. W. Rosenhain, 293

Society, Royal Meteorological:

Seventy-fifth Anniversary Celebration, 434

Society, Royal Microscopical:

Conference at Sheffield, 390

Societies, Physical and Optical:

Exhibition, 52

ATOMIC Structure of Metals and Alloys, Dr.

W. Rosenhain, 293

Atoms, The Counting of Atomic Nuclei, Sir Ernest Rutherford, 278, 331, 362, 380

Austin, J., Preventing Corrosion of Condenser Tubes, 223

Australia, Irrigation Works in, 462, 465

Australian Engineering Notes, 54, 223

Australian Naval Defence, 383

Automatic Regulators, Temperature, Pressure, &c., British Area Regulators, Ltd., 351

Automatic Telephones, 302

B

BAILEY, G. L., and R. Genders, “ The Copper -Zinc System,” also on “ Industrial Brasses,” 325

Bamford, T. G., Commercial Copper Rod, Comparative Tests, 324

Barking Power Station, 568

Barnes, Alfred A., on Dry-weather Flows, 713

Biles, H. J. R., Model Experiments with Antirolling Tanks, 429

Biles, Sir John, Steam Engines v. Oil Engines for Passenger Ships, 377, 388

Birthday Honours, 624

Blache, H. H., Four-cycle Marine Oil Engine, 246, 247

Blocksidge, E., Tonnage Legislation, 430

Blow-pipe Metal Cutting Machine, Hancock and Sons, 238

Blue Print Washing and Drying Machine, Precision Photo Printing Plant, Ltd., 523

Atmos High-pressure, J. V. Blomquist,

Boiler, Internal Combustion, Oscar Brunler, 184

Bolton, E. A., Removal of Red Stains from Brass, 325

Books of Reference, 248, 277, 326, 460, 544, 659, 717

Bow Power Station, 542, 546

Brass, Brittle Ranges of, &c., Dr. Denis Bunting, 324

Brass, Removal of Red Stains from, E. A. Bolton, 325

Brasses, Industrial, G. L. Bailey and R. Genders, 325

Bridge, Guillemard, Over the Kelantan River, 594

Bridge, New, Over the Niagara River, 490, 492

Bridge in Vienna, Shifting, 429

Bridge, Waterloo Temporary, Sir Win. Arrol and Co., Ltd., 686, 701 {Two-page Supplement, June 2Qth, 1925)

Bridges—see also Road

British Chemical Standard Hematite Iron Ore, 170

British Engineering Standards Association:

Address, C. le Maistre, 129

Specifications :

Automobile Parts, Three New Standards, 718 Bright Bolts, Nuts and Studs, 335

Steels for Laminated Springs for Automobiles, 380

BRITISH Engineers’ Association, Report on the Present Condition and Future Prospects of the Engineering Industry, 409, 415

British Locomotives—see Railway Locomotives Broadcasting—see Wireless

Brunler, Oscar, on Internal Combustion Boiler, 184

Bunting, Dr. Denis, Brittle Ranges of Brass, 324

Burton, Alexander, J. T., French Locomotive Performances, 153

Bryan Donkin and Co., History of, 544

c CABLES—see Electrical Matters

Calendars, Diaries, &c., 29, 55, 86, 119, 145, 227, 557

Canada, Terms of Payment in, 85

Canada, Water Power Resources of, 97, 439

Canadian Water Power and Reclamation Service, 714

Canal, Rhine to Rhone, Improvement of the, 291

Carbonisation—see Coal

Catalogues, 145, 201, 393, 419, 447, 501, 557,

585, 637, 693, 721

Cathcart, H. G., Hot Water Supply Installations for Hospitals, 714

Cellular Gravity Dam, Design for, Reginald Ryves, 279

Centenary of Henri Giffard, 1825-1882, 83

Ceylon, High Head Hydro-electric Scheme in, 619

Chain Link Making Machine, Wm. Grice and Sons, Ltd., 469

Chain Making, Wire, 239, 276, 292

Chaloner, J. L., Recent Oil Engine Developments, 456

Chancy-Pougny Hydro-electric Power Station, 321,328

Chassis, 2-Ton, War Office Subsidy, Vulcan Motor and Engineering Company (1906), Ltd., 378, 379

Chemistry of Steel Making, 648

Chuck, Strength of, Alfred Herbert, Ltd., 662

Circular Saw Guard, New, M. Glover and Co., 223

Circulating Water Screening Plant, Fixing,

F. W. Brackett and Co., Ltd., 224

Cleghorn, W. G., Trading Conditions and Intermediate Passenger Vessels, 430

Clothier, H. W., Design of Electrical Plant Control Gear, &c., 269

Clyde—see Dock Equipment

COAL, COKE AND COLLIERIES :

Carbonisation of Coal in Vertical Retorts, Walter T. Dunn, 470

Coal Pulverising Plant and Boilers at Nechells Power Station, 656, 660

Coal Staith, New, on the Tyne, R. E. Hindmarsh, 134, 141

Electric Lighting System for Collieries, British Insulated and Helsby Cables, Ltd.. 496

Low - Temperature Carbonisation, Some Aspects of, Lecture, N. Simpkin, 487

Pulverised Coal, R. Jackson, 97

Sale of Coke by Analysis, 464

Steep Colliery Ropeways in South Wales, R. White and Sons, 514 {Two-page Supplement, May 8th, 1925)

Winder, Colliery, Geared Electric, English Electric Company and Robey and Co., Ltd., 404, 408

COKER, Professor E. G., Action of Cutting Tools, 318

Commercial Libraries, Charles Nowell, 50

Comptroller of Patents, 192

Condenser Tube Corrosion, J. Austin, 223

Contracts, 29, 61, 92, 122, 145, 173, 204, 230, 253, 286, 309, 337, 368, 393, 422, 447, 473, 504, 532, 560, 588, 614, 637, 665, 696, 724

Converters—see Electrical Matters

Coopers Hill War Memorial Prize, 361

Copper Rod, Commercial, Comparative Tests, T. G. Bamford, 324

Copper-Zinc System, G. L. Bailey and R.

Genders, 325

Corrosion Again, 217

Crane Essentials, Standardisation of, Edward

G. Fiegehen, 619

Crane, 20-Ton Goliath, S. H. Heywood and Co., Ltd., 658

Crane, Travelling Steam, Samuel Butler and Co., Ltd., 443

Crisis in the Engineering Industries, 409, 415

Current Prices for Metals and Fuels, 30, 62, 90, 120, 146, 174, 202, 228, 254, 284, 312, 340, 366, 394, 420, 448, 474, 502, 530, 558,

586, 612, 638, 666, 694, 722

Cutting Tools—see Machine Tools

DAHLERUS, J. B., on Anti-friction Bearing Applications for Heavy Duty, 181, 197, 237, 243 ; (Letters), 295, 434

Dam, Gleno, Case for the Owners, 330, 467 ;

Another Report, 661

Darling, Professor C. R., Scientific Aspects of Welding, 113

David, Major E. Ivor, on Electricity in Mines, 244, 248

Dawson, Sir Philip, and Professor S. Parker Smith, on Main-line Railway Electrification, 98, 156, 620, 650; (Letters), 240, 295

Deep Mining on the Rand, 263

Deschamps, J., Influence of Pulsations on Combustion, 152

Deutsches Museum, Munich, 644

Diesel Engines—see Engines

Dielectrics, Super-tension Cable, A. I. Tracey, 580

Dock Equipment, Modern, H. J. Deane, 571

Dock Equipment, New, on the Clyde, 233, 242, 274, 304, 332 ; (Letters), 434, 468

De-watering Plants for Graving Docks Nos. 1 and 3, 233, 242

No. 3 Graving Dock Pumps, 274

Hydraulic Power Services for Prince’s Dock and the Graving Docks, 304

Pneumatic and Electric Services, Prince’s and Graving Docks Nos. 1, 2 and 3, 332

Doors, Train—see Railways

Drills—see Machine Tools

Dry Dock, American, Repairing, 359

Dry-weather Flows, Alfred A. Barnes, 713

Dye, D. W., Current Transformer Methods of Producing Small Known Voltages, &c., 295

E

EBORALL, E. A., Swiss Railway Electrification, 485

Education, Some Aspects of, 437

Educational Intelligence, 443

Effective Sluicing from a Spanish Reservoir, 320

ELECTRICAL MATTERS :

See also Annual Articles

Ammeter, “ Cirscale,” and Change Coil Multi-range Test Set for Alternating and Direct Currents, Record Electrical Company, 279

Aorangi, Electric Equipment for—see Ships

Barking Power Station, County of London Electric Supply Company, 568

Beama Annual Luncheon, Sir Benjamin Longbottom’s Address, 356

Bow Power Station Reconstruction, 542, 546

Cheap Electricity, 167

Combined Electric Motor and Pump, Rhodes, Brydon and Youatt, Ltd., 662

Constant-current Motors, Gilbert Austin, J. C. Macfarlane’s Notes, 440

Dock Equipment on the Clyde, New, 233, 242, 274, 304, 332

Electric Forces and Quanta, Kelvin Lecture, J. H. Jeans, 181

Electricity Commissioner, New Appoint-

► ment. 569

Gas Engineers and the Electrical Subsidy, 683

High Frequency Resistance Measurement, New Method, 69

High-pressure Cables, Major A. M. Taylor, 108, 115 ; (Letter), 140

High Voltage Testing Laboratory, Metropolitan-Vickers Electrical Company, 481

Hydro-electric Power Station, Chancy -Pougny, 321, 328

Institution of Electrical Engineers, Various Works Inspected during Summer Meeting, 654, 660, 677-680

Insulation, 520

International Conference on Extra High-tension Electric Systems, 273

Leafield Coupled Arc, 634—see also Annual Articles and Supplement

Machine Tool Switchgear, Electrical Apparatus Company, 362

Million-volt Testing Equipments, Ferranti, Ltd., 412

Motor Starting Panels, Midget Type, Brookhirst Switchgear, Ltd., 142

Nechells Power Station, Birmingham, 654 660

Ongar and Brentwood Wireless Stations, 596 597 ’

^459 ^aSt^e’ £)*esel'electric Generating Sets,

Radio Frequency Relay, A New, 498

Recent Oil Engine Developments, J L Chai oner, 456

Rotary Converters, 1500-Kilowatt Selfsynchronising, Mather and Platt, Ltd., 390

Self-synchronising Alternator, L. J. Hunt,

Southern Railway, New Single-phase Equipment, General Electric Company, 486

Static Condensers for Power Factor Correction, 543

Super Power Stations in America W H Patchell, 264 ’

Super-tension Cable Dielectrics, A. I. Tracey,

Switchgear, H. W. Clothier, 268

Synchronous Motors for Mining Work, Mai or

E. Ivor David, 244, 248 J

Three-wire Direct-current Distribution Networks, H. W. Taylor, 75

Transformers, Large, Ferranti, Ltd., 680

Upper Reno Power Project, 608

Use of Electricity, 463 ; (Letter), 485

Variable Speed Alternating-current Motors, Notes on, N. Pensabene-Perez, 624

Winder, Geared Electric, English Electric Company, 404, 408

ELLESMERE Port, Water Softening Plant, Wollaston Gas Producers (Manchester), Ltd., 386

ENGINES AND MOTORS :

Aero-engines :

Aero-engine Performance, 55

Anzani Aero-engine, 21

Blackburn Three-cylinder Radial, 21

Blackburn Twin-cylinder Inverted, 21

ENGINES AND MOTORS (continued):

Aero-Engines {continued):

Bristol Cherub, 19, 21

Eagle IX Engines for All-metal Flying Boat, 350, 354

Napier “ Cub ” Engine, 1000 H.P., 21

Napier “ Lion ” Engine, 21

Rolls-Royce 360 H.P. “ Eagle ” Engine, 21 Siddeley 230 H.P. “ Puma ” Engine, 21 Variation of Aero-engine Power with Height, 595

Aorangi, Union Steamship Company’s Motor Liner, Fairfield Shipbuilding and Engineering Company, Ltd., Sulzer Type Diesel Engines and Auxiliaries, 6, 16, 23, 42, 48, 71,’ 72, 106, 110, 111 {Supplement, January 2nd, 1925) {Two-page Supplement, January 16th, 1925)

Cold-starting Solid Injection Oil Engine, 110 B.H.P., Ruston and Hornsby, Ltd., 222, 223

Crude Oil Engine, Two-stroke Vertical, Crossley Brothers, Ltd., 222

Diesel Locomotives—see Railway Locomotives

Double-acting 6750 Engine for Motor Liner Gripsholm, Burmeister and Wain, 246, 247 Four-cycle Marine Engines, Burmeister and Wain, 246, 247

j Future of the Marine Steam Engine, 384

Gas Engine, 7150 B.H.P., Soc. Anonyme John Cockerill, 166, 168

Gas or Paraffin Engine, 12| B.H.P., Crossley Brothers, Ltd., 222

Heat Engine Trials Committee Meeting, 520 Heavy Oil Engine, 66 H.P., National Gas Engine Company, 222, 223

Heavy Oil Engines, Large Engines of the Selfignition Type, James Forrest Lecture by Captain H. Riall Sankey, 508

Lighting Set, Gas Engine and Chain-driven Dynamo, National Gas Engine Company and Electrical Construction Company, 222, 223

Lighting Set, 3 B.H.P. Paraffin Engine and 1£ K.W. Dynamo, Ruston and Hornsby, Ltd., 222, 223

i Marine Oil Engine Progress, 191

Marine Oil Engine Trials Committee, 346, 355, 403

Motor Foam Fire-fighting Engine, 467

Motor Lifeboat Engine, Parsons Motor Com-

I pany, Ltd., 160; (Letter), 188

Oil Engine, 55 B.H.P., and Fuel Injection Arrangement, Blackstone and Co., 238

Oil Engine Difficulties, 491

’ Pyrometry of Exhaust Temperatures of Internal Combustion Engines, Chas. E. Foster, 598

Raby Castle, Propelling Machinery for, North-Eastern Marine Engineering Com-’ pany, 458

Steam Engines v. Oil Engines for Passenger Ships, Sir John Biles, 377, 388

200 K.W. Steam Extraction Generator Set, ’ Ashworth and Parker, 630

Two-stroke Cycle Oil Engine, Tests on, Professor E. A. Allcut, 593

Vibration in Engine Test Gear, J. Morris, 484 ENGINEERS, Salaries of, 114

. Engineers, Status of, 107 ; (Paragraph), 89

Engineering Industry—see British Engineers’ J Association

, Evans, Ulick R., Surface Abrasion and Corrosion, 294

t Evolution—see Ships

Exeter Ship Canal, Replacing the Lock Gates of, 83

. EXHIBITIONS:

British Industries Fair, 222, 238

3 Britsh Industries Fair, London, Section 1, 55 , Grenoble Exhibition, 690

Marine and Small Craft Exhibition, 326

One-day Exhibition at Dartford, 390

Paris Exhibition, Switchback Railway, 525

Physical and Optical Societies’ Exhibition, 1 52—For Exhibits see Instruments

Turnery Exhibition at the Mansion House, 380

F

FAIRS—see Exhibitions

, Faraday as a Chemist, Sir Wm. Pope, 686 Fatigue and Shock, 136

, Fiegehen, Edward G., Standardisation of Crane Essentials, 618

Fire-engine, Light Motor, Gwynnes Engineering Company, Ltd., 554

Fire-fighting Engine, Motor Foam, 467

. Forrest, James, Lecture by Captain H. Riall ) Sankey on Heavy Oil Engines, Large Engines , of the Self-ignition Type, 508

Fortescue, Professor C. R., Resistance in Wireless Circuits, 265

Forthcoming Engagements, 32, 64, 92, 129 148 176, 204, 230, 256, 286, 314, 342, 368, 396’ 422, 450, 476, 504, 532, 560, 588, 614, 64o’ 668,696,724

Foster, Chas. E., Pyrometry of Exhaust Tern-, peratures, &c., 598

Foundry Ladle, A Handy, Constructional Engineering Company, Ltd., 469

r Foundry Sand Recovery Plant, New Conveyor Company, 571

. Foundry—see also Iron and Steel

FRENCH ENGINEERING NOTES :

31, 63, 91, 121, 147, 175, 203, 229, 255, 285 313, 341, 367, 395, 421, 449, 475, 503, 531’, ’» 559, 587, 613, 639, 667, 695, 723

African Development, 31

c Agricultural Engineering, 147

Alsace Canal, 475, 531

b, Apprenticeship Tax, 285

Arsenals, 421

Aviation Engines, 421

Business Declension, 175

Capital and Trade, 255

Charcoal Congress, 531

Coal Production, 91, 449

Coal Slump, 695

Coal Tax, 285

Coal Trade, 667

Colonial Cotton, 175

FRENCH ENGINEERING NOTES (continued) :

Colonial Railways, 63

Commercial Clearing House, 5£7

Decorative Arts, 255

Ecole Centrales 613

Electric Road Traction, 203

Electrical Engineering, 367

Engineering Outlook, 723

Ethylic Alcohol, 341

Exhibition Palace, 121

Exports, 421

Finance and Trade, 91

Fiscal Tariffs, 695

Foreign Trade, 31, 147, 475, 613, 723

Forestry and Engineering, 723

German Competition, 285

German Rolling Stock, 175

German Treaty, 285

Grenoble Exhibition, 613

Home and Export Prices, 341

Hydro-electric Distribution. 639

Import Duties, 667

Incinerators, 121

Industrial Development, 63

Industrial Values, 313

Iron and Steel, 639

Iron and Steel Combines, 255

Iron and Steel Prices, 203

Liquefying Coal, 531

Liquid Fuels, 121

Locomotive, A New, 121

Machine Tools, 587

Makhonine Fuel, 695

Makhonine Liquid, 121, 559

Maritime Week, 723

Marseilles-Rhone Canal, 31

Mont Blanc Cableway, 667

Motor Cars, 341

Motor Fuel, A New, 367

Motor Show, 63

Nationalisation of Mines, 723

Naval Construction, 503

Naval Programme, 91, 613

New Import Duties, 31

New Industries, 475

Oil Engines, 147

Paris Fair, 587

Paris Metropolitan, 367, 639

Paris Termini, New, 587

Paris Water Supply, 255, 503, 695

Patent Legislation, 341

Psycho-technical Laboratory, 91

Rail Motors, 203, 395

Railway Catastrophes, 395

Railway Electrification, 91, 503

Reconstruction, 229

Refloating the Liberte, 229

Refuse Disposal, 229

Reparations, 559

Road Paving, 531

Russian Fleet, 91

Seamen’s Hours, 255, 449

Shipbuilding Credits, 313

State Railway Control, 229

Suction Gas Lorries, 313

Suction Gas Vehicles, 341

Super Locomotive, 175

Synthetic Fuels, 175

Tariff Bill, 313

Tariff Examples, 31

Textile Industries, 639

“ The Joy Stick,” 503

Trade Burdens, 449

Trade Crisis, 695

Trade Difficulties, 421

Trade Exchanges, 559

Trade Outlook, 367

Trade Reforms, 395

Trade Restriction, 503

Trade Situation, 229, 667

Unemployment, 203

Year’s Outlook, 63

FRICTION of Pistons and Piston Rings, T. E.

Stanton, 70 ; (Letter), 240

Fuel Consumptions of Steam and Oil-engined

Vessels, Sterry B. Freeman, 136

Fuels and the Future, 80 ; (Letter), 114

Furnace Arch, Suspended, Liptak Furnace

Arches, Ltd., 361

G

GARSTON, Construction of a Spirally Guided Gasholder and Tank at, E. Astbury, 291

Garvie, James, Effect of Camber on Wood-paved Roads, 570

Gas, A Century of, in South London, 496

Gas Engines—see Engines

Gas Engineers and the Electrical Subsidy, 683

Gas Furnaces for Steel Industry, Stanley A.

Sears, 352 -■

Gauge, New Tank, Negretti and Zambra, 470

Gauge, Pitting, V. Pickles and G. Hall, 554

Gee, W. W. Haldane, The Mechanical Equivalent of Heat, Joule’s First Measurements, 426 ; (Letter), 516

German Capital for Steel Making in South Africa, 57 ; (Letter), 114

German Industry and Commerce during April. 582

German Institution of Engineers, 606

Germany, Machinery Trade in, 718

Giffard, Henri, Centenary of, 1825-1882, 83

Glass Industry—see Society of Glass Technology

Glass Melting Furnaces, Design of, 154

Gleno Dam, Case for the Owners, 330, 467

Gleno Dam, Another Report, 661

Good, E. T., Shipyard Labour Conditions, British and Foreign, 660

Government Tests of Agricultural Machinery, Report, 440

Grain Elevators, Floating Pneumatic, for the Port of London, East Ferry Road Engineering Works Company, 296, 297, 300

Griffith, Sir John Purser, on the Shannon Power Scheme, 132

Guillemard Bridge Over the Kelantan River, 594

HAMMER, Electric, New Form, Kango Company, Ltd., 718

Hardening—see also Iron and Steel

Hardness and Annealing Temperature, Effect of Grain Size upon, H. T. Angus and P. F. Summers, 294

Hardness Tests Research, 483

Harling, W. H., Adjustable Parabolic Curve, 580

Harvey, William. Saint Paul’s Cathedral, Its Structure, Defects and Repair, 129

Hatfield. Dr. W. H., Corrosion-resisting Steels, 431

Heat—see Mechanical Equivalent

Heat Transmission through Coated Pipes, 140

Heaviside Layer, 192

Helium and Caisson Disease, 330

Hindmarsh, R. E., New Coal Staith on the Tyne, 134, 141

Holliday, P. A., on Submarine Engines and High-speed Heavy Oil Engine Electric Generating Sets, 219

Holt, G. Frodsham, Stability and Seaworthiness, 430

Hospitals, Hot Water Supply for, H. G. Cathcart, 714

Hydraulic Pumps—see Pumps, Clyde Dock Equipment

Hydro-electric Power Station, Chancy-Pougny, 321, 328

Hydro-electric Scheme, High Head, in Ceylon, 619

Hydro-electric Scheme, Mangahao, 266, 270

Hydro-electric Schemes in Alsace, 211

I

INCREASING Production, 715, 717

Indian Monsoons and Floods in 1924, Reginald

Ryves, 290

Industrial Standardisation, C. le Maistre, 129

Industries, Ancient and Modern, 50

Influence of Pulsations on Combustion, J.

Deschamps, 152

Inglis, Professor C. E., Stresses on Rectangular Plates, 429

Institutes and Institutions—see Associations

INSTRUMENTS, SCIENTIFIC :

Physical and Optical Societies’ Exhibits : Cambridge Instrument Company, Photoelectric Cell, High-tension Disc Batteries, Frequency Meter, Record-measuring Machine, Recording Accelerometer, Thread Recorder, Dodder Machine, 52, 53

Crompton and Co., Ltd., Crompton-Robertson Combination Bridge and Potentiometer, 54

Elliott Brothers, Direct Reading Potentiometer, Universal Testing Set, 54

Evershed and Vignoles, Megger and Bridge Megger Testing Sets, “Meg ” Insulation Tester, “ Ductor ” Low-resistance Test- . I ing Sets, Workshops’ Ohmeters, Traction Recorder, “ Dionic ” Water Tester, 63

Igranic Electric Company, Ltd., Variometers, “ B,” “ B L ” and “ F ” Types, Variable Grid Leak, High-resistance Potentiometer, Unitune Fixed Coupler, 53

Marconi’s Wireless Telegraph Company, New Wireless Apparatus, Microphone, Amplifier, Loud Speaker and 50-Watt Transmitter, 54

Mullard Radio Valve Company, Thermionic Valves, High-frequency and Low-frequency, Transmitting Valves, 53, 54

Negretti and Zambra, Assmann Recording Psychrometer, Density Recorder, Air Temperature and Oil Temperature Recorders for Aircraft, Liquid Tank Gauge, Hydrograph, Hygrometers, Thermometers, Recorders, &c., 54

Siemens Brothers, Cable Temperature Indicator, 53

Sullivan, H. W., Ltd., Multivibrator Wave Meter, 54

INTERNAL Combustion Engines—see Engines Internal Combustion Turbines—see Turbines Internal Stresses, 548

International Conference on Extra-high Tension Electric Systems, 273

International Railway Conference—see Railways

International Tables, 83

IRON AND STEEL :

Chemistry of Steel Making, 648

Corrosion-resisting Steels, Dr. W. H. Hatfield, 431

Economics of the Heavy Iron and Steel Industry, Sir Frederick Mills, 524 ; (Letter), 595

“ Flakes ” or “ Hair Cracks ” in Chromium Steel, A. Hultgren, 539

Foundry, Iron, at Darnall Works, Sheffield, Davy Brothers, Ltd., 374, 382

Gas Furnaces, Stanley A. Sears, 352

Gases and Formation of Blow-holes, 540

German Capital for Steel-making in South

Africa, 57 ; (Letter), 114

Grain and the Fatigue Strength of Steel, 540

Hematite Iron Ore Standard, 170

Iron and Steel Institute—for other Papers read, see Associations

Manganese Ore Industry of Russia, 280

Papers and Discussions, 655

Progress in British Rolling Mill Practice.

T. W. Hand, 539

Staybrite Silver Steel, Thos. Firth and Sons Ltd., 240

Steel Hardening and Carburising Plant at a Petrol Motor Works, August’s Muffle Fur naces, Ltd., 387

Steels, Standard, for Laminated Springs, 380

Strain Detection in Mild Steels, T. H. Turner and J. D. Jevons, 540

Wrought Iron or Steel, 656

IRRIGATION, The Bon Accord, Transvaal, 155

Irrigation Works in Australia, 462, 465

Italy, Upper Reno Power Project, 608

JACKHAMMERS, What They Save, 109

Jackson, R., on Pulverised Coal, 97

Jeans, J. H., on Electric Forces and Quanta, Kelvin Lecture, 181

Jevons, J. D., Strain Detection in Mild Steel by Special Etching, 540

L

LABORATORY—see Electrical Matters

La Chute des Sept-Lacs, 582

Lathes—see Machine Tools

Launches and Trial Trips, 85, 119, 143 201

283, 311, 396, 419, 473, 557, 611, 640, 696, 719

LEADERS :

1924—A Retrospect, .17

Analogies, 271

Apprenticeship, 601

Australian Naval Defence, 383

Automatic Telephones, 302

Comptroller of Patents, 192

Corrosion Again, 217

Crisis in the Engineering Industries, 409

Dr. Russell’s Address, 79

Doors of Railway Trains, 712

Electric Railway Standardisation, 712

Electrical Industry, The, 356

Electricity in Mines, 244

Exchange Trials of Locomotives, 627

Fatigue and Shock, 136

Fifty Per Cent. Cut-off Locomotives, 575

Fuels and the Future, 80

Future of the Marine Steam Engine, 384

Gas Engineers and the Electrical Subsidy, 683 Government Inspection of New Railways, 548

Heaviside Layer, 192

Helium and Caisson Disease, 330

High-pressure Cables, 108

Industries—Ancient and Modern, 50 Insulation, 520

Internal Combustion Turbine, 684

Internal Stresses, 548

International Railway Congress, 683

Locomotive Engineers, 244

Locomotive Trials, 492

Locomotive Valve Travel, 711

London County Council Tramways, 576

Marine Oil Engine Progress, 191

Minor Failures, 463

Naval Shipbuilding Requirements, 547

Navy Estimates, 329

New Battleships, 49

Notable Railway Appointment. 519

Oil Engine Difficulties, 491

Papers and Discussions, 655

Philosophy of Cutting, 163

Railway Year, 410

Roller Bearings for Heavy Loads, 243

Sale of Coke by Analysis, 464

Shannon Power Scheme, 575

Some Aspects of Education, 437

Speed and Weight, 271

State of British Shipbuilding, 301

Status of Engineers, 107

Sycamore and Dolius Trials, 355

Telephones, 164

Time Element, 438

Unemployment Percentages, 601

Use of Electricity, 463

Vibration, 628

Wireless Bill, The New, 217

Work, Chip and Tool, 135

Wrought Iron or Steel, 656

LEAFIELD—see Electrical Matters

Le Mesurier, L. J., on the Conversion of the ss.

Bintang, 380

LETTERS FROM OUR OWN CORRESPONDENTS :

England, North of, 28, 61, 88, 118, 145, 172, 200, 226, 252, 282, 310, 339, 364, 392, 418, 446, 472, 500, 528, 556, 584, 610, 636, 664, 692, 720

Lancashire, 27, 59, 87, 117, 143, 171, 199, 225, 251, 281, 309, 337, 363, 391, 417, 445, 471, 499, 527, 555, 583, 609, 635, 663, 692, 719

Midlands and Staffordshire, 27, 59, 87, 117, 143, 17], 199, 225, 251, 281, 309, 337, 363, 391, 393, 417, 445, 471, 499, 527, 555, 583, 609, 635, 663, 691, 719

Scotland, 29, 61, 89, 119, 145, 173, 201, 227, 253, 283, 311, 339, 365, 392, 419, 446, 472, 501, 529, 556, 584, 611, 637, 665, 693, 721 Sheffield, 28, 60, 88, 118, 144, 172, 200, 226, 252, 282, 310, 338, 364, 392, 418, 446, 472, 500, 528, 556, 584, 610, 636, 664, 692, 720

Wales and Adjoining Counties, 29, 61, 89, 119, 145, 173, 201, 227, 253, 283, 311, 339, 365, 393, 419, 447, 472, 501, 529, 557, 584, 611, 637, 665, 693, 721

LETTERS TO THE EDITOR :

Airship Development, Nauticus, 485

British Steam Locomotive from 1825 to 1924,

E. L. Ahrons, 155, 278 ; Wm. Hy. Robson, 704—see also Locomotive

Canal Transport Facilities, Carpe Diem, 595

Cannel Coal, H. F. R., 468

Chittaprat, The, F. Achard, 240

Closure of Finsbury Technical College, A. G.

Church, 188

Coal-burning Locomotives, E. L. Ahrons, 516

Cold Flow of Metals, Wm. F. Offord, 406

Contra-propeller, L. H. G. Dines, 468

Co9 Recorders, A. Dott, 516 ; J. J. Lassen, 541

Cutting Tool Research, T. E. Stanton, 155

Dilatometers, W. T. Griffiths, 468

Dolius and Sycamore, AV. F. Ryan, 485

Economics of Industries, L. H. G. Dines, 595 Efficiency of Air Compressors, Interested, 434 ; Beiliss and Morcom, Ltd., 468

Exchange Locomotive Tests, C. R. K., 651, 689 ; E. Wyett, 652 ; H. R. Sutton, 652 ;

F. H. Alexander, 688 ; Wm. Hy. Robson,

688 ; Spectator, 689 ; Albert V. Goodyear,

689 ; Rugby, 689

Factory Engineers’ Salaries, Industrial Engineer, M.I. Meeh. E., 55

Fibre in Metals, N. Belaiew, 55

LETTERS TO THE EDITOR (continued) :

Future of the Marine Engine, Charles R.

King, 468

Gooch’s Coeur de Lion, H. V. Pegg, 468

Hair Cracks in Glazed Bricks and Glazed

Tiles, W. P. Digby, 632-

High-pressure Cables, A. M. Taylor, Major, 140

History of Business, H. Spencer Stowell, 76 Hydraulic Boiler Tests, Boilermakers, 595 Individualism in Locomotive Design, Cecil

G. Howsin, 55 ; J. G. H. Warren, 114

Iron Ore Resources of South Africa, P. A. Delfos, 114

Lecture Courses at Grenoble, T. Rich, 689

Locomotive Development, E. Cecil Poultney, 240—see also British

Main Line Railway Electrification, J. Sayers, 240 ; G. Parker Smith, 295 ; Dr. K. Sachs, Dr. A. C. Couwenhoven, 595

Mathematics and Engineers, 326

Mechanical Equivalent of Heat, John

Wilkie, 516

Monel Metal, Robert J. McKay, 278

Most Powerful British Locomotive, Chas. W.

Dauncey, 516

Outside v. Inside Cylinders, Arthur Lee, 240

Papers at the Iron and Steel Institute, A Member, 652

Piston Ring Friction, S. J. Ellis, 240

Robert Stephenson, J. G. H. Warren, 76

Roller Bearings for Heavy Loads, C. E.

Davies, 295 ; J. B. Dahlerus, 434

Self-contained Pulverising Units, Leonard

Harvey, 704

Ship’s Motor Lifeboat, A. Joe White, 188

Steam Wagon Transport, Auriga, 704

Street Explosions, W. Love, 406

Stresses in Axles, John Younger, 278

Submarine Railway Tubes, Arthur Oates, 295

Telephones, H. E. Powell-Jones, 188 ;

J. E. H., 632; A. H. Hall, 188; A. F.

Schove, 278

Theory of Road Construction, Reginald

Ryves, 468

Trevithick, Francis H., The Late, 632

Trials of the Sycamore, S. P. Christie, 55

Use of Electricity, British Shipbuilder, 485

Washing Out Locomotive Boilers, Interested, 188

Waste Heat, W. Gregson, 114

Watt and Woolf, W. A. Benton, 652

Whitworth Scholarships, A. D. Ottewell, 114

Workshop Efficiency, Method of Increasing,

F. H. Towler, 569

LIBRARIES, Commercial, Charles Nowell, 50

LITERATURE :

Reviews :

Aeronautics in Great Britain, History of.

J. E. Hodgson, 51, 272

Allen’s Commercial Organic Analysis, Samuel S. Sadtler and Others, 603

Bleaching, A History of, S. H. Higgins, 165

Corrosion of Metals, Ulick R. Evans, 80

Die Kondensation bei Dampfkraftmaschinen,

K. Hoefer, 219, 303

Economics of Iron and Steel, H. J. Skelton, 81

Electrical Design of Overhead Power Transmission Lines, W. T. Taylor and R. E. Neale, 80

Electrical Measuring Instruments, Drysdale and Jolley, 51

Electrical Technology, H. Cotton, 219

Glass Technology, Text-book of, F. W. Hodkin and A. Cousen. 165, 331

History of the Portland Cement Industry in the United States, R. W. Lesley, 165, 272

History of the Telephone in the United Kingdom, F. G. C. Baldwin, 273, 411

Hull Down: Reminiscences of Windjammers, Troops and Travellers, Sir Bertram Hayes, 493

Iron and Steel in the Industrial Revolution, Thomas S. Ashton, 576

J.P. Transformer Book, S. Austen Stigant and Morgan Lacey, 218

Locomotive Running Shed Management, W.

Paterson, 273, 464

Low-temperature Distillation, S. H. North and J. B. Garbe, 493, 549

Mechanics of Textile Machinery, Wm. A.

H ant on, 81

Motor Car and Coach Painting, 51

Preservation of St. Paul’s Cathedral and

Other Famous Buildings, William Harvey, 603

Principles of Applied Electro-chemistry, A

J. Allmand and H. J. T. Ellingham, 183

Purchasing: Its Economic Aspects and

Proper Methods, H. B. Twyford, 493

Radio : Beam and Broadcast, A. H. Morse, 165, 303

Railway Engineering, Notes and Data on, Frank Reeves, 273, 464

Regulation of Rivers Without Embankments, F. A. Leete, 165, 218

Reinforced Concrete Bridges, W. L. Scott, 411, 438

Screw Propellers, Vol. I. Text and Vol. II.

Atlas, Admiral Charles W. Dyson, 493, 602

Sewage Disposal in India and the East, G.

Bransby Williams, 331, 385

Ships of the Royal Navy, Oscar Parkes, 629, 685

Theory and Design of Structures, E. S.

Andrews, 273, 465

World Power Conference, The First, Transactions, 493

Short Notices :

Ball and Roller Bearings, A. W. Macaulay, 81 Bituminous Substances, P. E. Spielmann, 165 Chemical Colouring of Metals, S. Field and

S. R. Bonney, 273

Concrete-making Machinery, W. Noble Twelvetrees, 81, 219

Construction of Wells and Bore-holes for

Water Supply, J. E. Dumbleton, 411, 438

Cost of Power Production by Internal Combustion Engines, G. A. Burls, 577

Cranes and Hoists, Hermann Wilda, 51, 165

Das Kalkbrennen, Berthold Block, 577

Electric Circuits and Installation Diagrams,

W. S. Ibbetson, 51, 165

Electrical Equipment of Buildings, Regulations for, 81

Electro-plating, Polishing, &c., Handbook on, 577, 657

LITERATURE {continued):

Short Notices [continued) :

French-English and English-French Die tionary of Technical Terms, J. O. Kott ridge, 629, 714

Friction Clutches, R. Waring-Brown, 165 Gas Meters, A. T. Gilbert, 51, 219

Greater Problems of Industry, Alexandei Ramsay, 81

History of Munitions Supply in Canada, 1914-1918, David Carnegie, 165, 273

Hodsock Ballistic Tables for Rifles, F. W. Jones, 273

Home Sewage Disposal, W. A. Hardenbergh, 219

Illuminating Engineering, F. E. Cady and

H. B. Dates, 603, 657

Johnson’s Materials of Construction, M. O. Withey and J. Aston, 603, 657

La Soudure Electrique a 1’Arc Metallique, S. Frimandeau, 273

Machine Design, Examples in, G. W. Bird, 577, 657

Management of Marine Engines and Boilers, Eric Prince, 331, 438

Modern Practical Joinery, George Ellis, 165

Occurrence and Geology of Petroleum, Outlines of, I. A. Stigand, 219

Patternmaking, J. G. Horner, 357, 438

Practical Advice for Inventors and Patentees, C. M. Linley, 411, 577

Production and Measurement of Low Pressures, F. H. Newman, 331, 557

Principles of Machine Design, R. F. McKay, 136, 273

Public Water Supplies, F. E. Turneaure and H. L. Russell, 357, 438

Reinforced Concrete Beams, &c., Oscar Faber, 219

Rice : Its Cultivation and Preparation, Charles E. Douglas, 273

Role of the State in the Provision of Railways, H. M. Jagtiani, 81

Sanitation and Plumbing, 165

Slide Rule, A. Williams Price, 21.9, 273

Small Craft, R. Munro Smith, 81

Switchgear for Electric Power Control, E. B.

Wedmore and Henry Trencham, 81

Tables for Reinforced Concrete Floors and Roofs, R. Travers Morgan, 273, 438

Testing of High-speed Internal Combustion Engines, Arthur* W. Judge, 577

Thermodynamics, Principles of, George Birtwistle, 577

Workshop Gauges and Measuring Appliances,

L. Burn, J 65

Books Received :

Acid-resisting Metals, S. J. Tungay, 219 Advertisers’ ABC, 1925, T. B. Browne, 657 Aerial Surveying by Rapid Methods, B. M.

Jones and Major J. C. Griffiths, 714

Aeronautics Catalogue of the Science Museum, South Kensington, M. J. B. Davey, 165

Agitating, Stirring and Kneading Machinery, II. Seymour, 219

Airship, The Rigid, E. H. Lewitt, 493

Alignment Charts for the Engineer, S. R.

Cummings and J. Lipka, 629

American Society for Testing Materials, “Proceedings,” 411

Annales des Fonts ot Chaussees, 411 ;

Partie Administrative et Partie Technique, Janvier-Fevrier, 1925, 411

Annales des Fonts et Chaussees, Fasc. 5, Tome II. (1) Par tie Technique, (2) Partie Administrative, Septembre-Octobre, 1924, 81

Annales des Travaux Publics de Belgique, 577

Annali dei Lavori Pubblici, Gi& Giornall del

G-enio Civile, 51, 385, 549, 629

Antimony Ores, E. Haise, 219

Architectural Practice and Procedure, Hamilton H. Turner, 714

Automatic Telephony, Outline of, W. Aitken, 549

Balancing of Reciprocating Engines, G. A. Stephens, 549

Base Exchange in Soils, 714

Bauxite and Aluminium, W. C. Rumbold, 577

Bentonite, Hugh S. Spence, 51

Bismuth Ores, Pv. Allen, 219

Boiler Feed Water, N. Simpkin and A. Dawe, 219

British Empire Exhibition, Official Guide, 689

Building Construction Plates, Parts I. and II.,

A. Buchanan and W. H. Hudson, 303

Building Practice, L. Allen Gerrard, 331

Bulletin de la Societe des Ingenieurs Civils de France, 629

Carburetters and Carburation, A. W. Judge, 357

Cast Iron, J. Rouelle, 577

Catalogue of British Scientific and Technical Books, 714

Chemical and Bacteriological Examinations on the Illinois River, &c., R. E. Greenfield, 493

Chemical, Metallurgical and Allied Industries in Canada, Development of, Alfred W. G. Wilson, 51

Cleveland Institution of Engineers, “ Proceedings,” December, 1924, and January, 1925, 411

Clubs, 1925, E. C. Austen-Leigh, 136

Coal Mine Fatalities in the United States, 1923, W. W. Adams, 51

Coal-mining Problems in the State of Washington, G. Watkin Evans, 577

Cochran Book of Oil Firing, W. K. Wilson, 549

Coiliery Year-book and Coal Trades’ Directory, 1925, 493

Communications Scientifiques et Faits In-dustriels de I’Annde (1922-1923), Edmond Marcotte, 81

Compressed Air and its Machinery, T. H. Plummer, 689

Conformal Representation, Leo Lewent, 219

Conversion of Coal into Oil, Dr. Franz Fischer, 629

Danger Spot in Europe, Sir Robert Donald, 273

Das Bayernwerk und Seine Kraftquellen, A. Menge, 657

Das Rotorschiff und Seine Physikalischen Grundlagen, J. Ackeret, 165

Das Torkrelverfahren und Seine technischen Probleme, Dr. Ing. Adalbert Szilard, 714

LITERATURE (continued') :

Books Received (continued):

DMdrtFrent °f- °Yerseas Trade, Industrial her 1924 w KS^"a\On “ Chile> SePtem' oer, i 3 4, \\ . F. Vaughan Scott, 385

Dnann ?*Marlne Diesel Engines, A. Bucha-ll-clll, .Joi

• n6S29n °f Railway Location, C. C. Williams, Detection of Small Quantities of Petroleum &357&C-’ G- W‘ J°’leS and W P-

Diesei°and °O lOrSt,-UCtU-res in Sea Water, 81 nnd u d-° J;'n?lnoerlng Handbook, Land and Marine, Julius Rosbloom, 493 PlaUenD^16 Se™chnLlng Reugsamer ’ Dr- Ing- H- Marcus. 629

Die Wirkung Wagerechter Krafte bei Eiser-nen Brucken, 629

Directory of Contractors and Public Works Annual, 1925, C. W. Biggar, 165

D1M«^ly rf .ShiP°wners> Shipbuilders and Marine Engineers, 1925, 165

Distillation Principles, C. Elliott, 219 JJust Hazard in Industry, W. E. Gibbs 9 i a

S a"d Commercial ^Con-

Wils“,1303 S ■D°m,nican Republic, Darrell EiDrUIn/O Kiehkraft® auf Eiseribrucken, 385 l g' Kommere11 “nd Bruno Schulz, Electric Welding, L. B. Wilson, 577 Electrical Trades’ Directory and Handbook.

t9"7 b,es of Eleotrioity EMatthe^,5°7r7 Eve’rybody> R- Berlase E1roXynr6d29the StrUCtUre Of Matter’ L-El®ments of Railway Economics, Sir W. M Fm ^°rw-a-nd W- T* Stephenson, 136 “Toc“s ■nd29Metft,lurgioai congress Emr5-19^iO5P7a7 Dire0t0ry and Year-book, Et.TSUpp^7ations of Mathema‘->

| Engineering Index, 1924, 657 Engineering Mathematics, R. W. M. Gibbs Ether and Reality, Sir Oliver Lodge 577

(£1 rWensST R%U-6 °f Back Prassure ™ 385 V' ’ T‘ E* Swigarfc and C- R. Bopp,

Fire Tests with Glass, &c., 629

Flame ,£e™re--Idrometro di Ripetta, 303 flame Safety Lamps, J. W. Paul and Others, “/oclfTo^6 f°r Draughtsmen, M.

GH£t^^

Hc2mpb6nn, 7^“' D. Hill and A. Highway Engineer’s Year-book, 1925 629 House Heating, Margaret Fishenden, 549 ^603 1CSandltSAppHcations’A> H> Gibson, Hydromechanik, M. Samter, 219 Ice and Cold Storage Trades’ Directory, 51 Illustrated Technical Dictionaries, Vol XV

Spinning, Alfred Schlomann, 385 ?ni?ng^”°549Of C1V11 Engineera> “Proceed-Instructions for Fitting Geysers, 165 Internal Combustion Locomotive, J. W production tO Fluid Mofcion’ W- N. Bond,

camT>’Pes of Stator Winding for A.C. Electric Generators, R. Smallwood, Iron Oxides, Activity of, in Removing Hydro-»• *■

tje Institute of- Metals, Vol. A A All., 165

Journal of Iron and Steel Institute, No. II., Vol. CX., 136

JTnW9°yal Agrioultural Society of Eng-JUsno£ I65hnical Electricity, R. W. Hutchin-Ketu?is, &c6,C5°77y °f M6r0hantS- Manufac-Kent’s Mechanical Engineer’s Year Book 629 p,“~ “

Wa’ttW* ] an^ndeFle Relativit6> A Einstein, 51, 81 J 54d9 d Engineenng Surveying, T. Baker, Electrification Industrielle et Rural de la France, E. Pacoret, 577

LT Ferfari,20^00’ Un Nu°V° TiP° di-L Enseignement Technique — Bulletin Mensuel du Musee Professionel de 1 Etat a Morlanwelz-Mariemont, 689

™n°re di Situazione dei Punti determinati &c erX m-ent.kraerofotograrn metrici’ occ., G-. Cassinis, 385

Les Lignites, E. Marcotte, 81

Le® . ^ions Fondamentales d’Element Chimique et d A tome, G. Urbain, 219

v- Geomet^a di Precision della citta, di Viareggio, G. di Ricco, 385

Locomotive Repair Shops in England, Con-trol Systems for Scheduling Operations, 629 London Fire Brigade, 493

Machine Design, Elements of, S. J. Berard and E. O. Waters, 603

Manchester Royal Exchange Directory, 1995 577 ’

Marine Engineering Repairs, Engineer-Captain F. J. Drover, R.N., 714

Mechanical Appliances, Mechanical Movements and Novelties of Construction, G. D. Hiscox, 689

Mechanical Design of Overhead Electrical Transmission Lines, E. T. Painton, 331 Mechanical Investigations of Leonardo da Vinci, Ivor B. Hart, 411

Mechanical Mixing Machinery, L. Carpenter.

1924,

LITERATURE (continued) :

Books Received (continued) :

Mechanical World Electrical Pocket-book, 1925, 165

Mechanical World Year Book, 1925, 81

Mechanics, Elements of, F. S. Carey and J.

Proudman, 577

Metallurgy of Aluminium and Aluminium Alloys,- Robert J. Anderson, 577

Metallurgy for Engineers, A Course of, F. C. Thompson, 714

Metallurgy and its Influence on Modern Progress, Sir R. A. Hadfield, 165

Metalworkers’ Practical Calculator, J.

Matheson, 493

Metalworkers’ Practical Calendar, J. Matheson, 438

Microstructure of a Coal Seam, J. Lomax, 657

Mining Cases, Report on, P. G. Bamber, 577

Mining, Modern Practice in, Vol. oal, Sir R. A. S. Redmayne, 549

Misure balistiche di Valori massimi, &c., and Variazioni di temperatura e di emissione elettronica di un filamento, &c.,

M. Paris, 385

Modern Soap and Detergent Industry, Vol.

II., Geoffrey Martin, 411

Molybdenum, Cerium and Related Alloy Steels, H. W. Gillett and E. L. Mack, 493

Motor Ship Reference Book for 1925, 81

National Screw Thread Commission, Report, 577

Neue Tabellen fur Exzentrisch Gedruckte Eisenbetonquerschnitte, Dr.-Ing. W. Kunze, 577

Nigeria, Railway System of, Report, F. D. Hammond, 493

Notes on Preparing a Tender, R. I. Money, 577

Papermakers of the United Kingdom, 1925, Directory of, 493

People’s Year Book, 1925, 81

Physical Chemistry of Igneous Rock Formation, 714

Port Administration and Operation, Brys-son Cunningham, 577

Port of Hull Annual, 1925, H. E. C. Newham ;

Port of Hull Monthly Journal, 549

Powell’s Electric Supply Share Handbook, H. H. C. Blake, 136

Power Plant Machinery, W. H. James and M. W. Dole, 629

Power Station Operation, Vol. I., 714

Practical D.C. Armature Winding, L. Wolli-son, 629

Practical Engineer Electrical Pocket Book and Diary, 1925, Conrad Arnold, 81

Practical Engineer Mechanical Pocket Book and Diary, 1925, Ernest G. Beck, 81

Practical Humidity Tables, 549

Practical Water-power Engineering, W. T. Taylor, 629

Punjab Irrigation Branch Paper, No. 20, on Water-logging of the Soil &c., Supplements to, 136

Purification of Copper Sulphate Solutions,

G. S. Tilley and O. C. Ralston, 357

Quantities of Materials for Concrete Duff, Abrams and Stanton Walker, 689

Rahmen: Berechnung von Rahmen aus Eisen und Eisenbeton, &c., Dr.-Ing. W. Gehler, 689

Railway Year Book for 1925, 657

Refrigeration in the Chemical Industry, G. W.

Daniels, 657

Relativity and Common Sense, F. M. Denton, 165

Report on the Financial, Commercial and Economic Conditions of the Argentine Republic, H. O. Chalkley, 81

Report on the Financial, Commercial and Economic Conditions of the Republic of Panama and Canal Zone, R. Keith Jopson, 81

Republic of Hayti, J. E. M. Carveil, 303

Resistance of Express Trains, C. F. Dendy-Marshall, 603

Rilevamento Topografico dagli Aerci, Lo Stato Attnale dei Metodi di, G. Cassinis, 385

Size and Character of Grains of Non-Metallic Mineral Fillers, W. M. Weigel, 81

Societe des Ingenieurs Civils de France, Annuaire de 1925, 577

Society of Chemical Industry, Annual Reports, 1924, 493

South American Handbook, 1925, 81

Steam Boilers : Their Defects, &c., R. D.

Munro and G. Ness, 714

Steam Condensing Plant in Theory and Practice, J. Sim, 603

Steam Power Plant Engineering, G. F. Gebhardt, 714

Steel, J. Rouelle, 577

Stevens’ Elements of Mercantile Law, H.

Jacobs, 273

Strength of Materials, E. S. Andrews, 689

Strength of Rotating Discs, R. Gardner, 165

Subject Index to Periodicals, 1921, Section K,

Science and Technology, 357

Sul Cosiddetto Coefliciente di Sicurezza degli Aeroplani, E. Pistolesi, 411

Sur L’Electrodynainique des Corps en Mouvement, A. Einstein, 51

Sweden Year Book, 1925, 549

Technical Mechanics : Statics, Kinematics and Kinetics, E. R. Maurer and R. J. Roark, 603

Technology of Cotton Machinery, Part I.,

A. A. Mercier, 657

Theorie und Konstanten Bestimmung des Hydrometrischen Flugels, Dr.-Ing. L. A. Ott, 689

Uber Kostenberechnung im Tiefbau, Dr.-Ing. Heinrich Eckert, 629

Uber Wirthschaftlichen Brennstoffverbrauch im Eisenbahnbetriebe, 657

Untersuchungen uber die Gas und Ol-Gleichdruckturbine, Wilh. Gentsch, 165

Use of Copper and Brass for Domestic Water Services, 714

Verzeichnis der Dr.-Ing.-Dissertationen, W.

B. Niemann, 219

Wellington (N.Z.) Harbour Board Accounts, Reports, &c., 689

Weltwirthschaftliches Archiv, Vol. 21, No. 2, 1925, 629

Willis’ Workmen’s Compensation Acts, W. Addington Willis, 411

Wind und Warme bei der Berechnung holier Schornsteine aus Eisenbeton, Dr.-Ing. Carl

[ Doring, 629

LITERATURE (continued) :

Books Received (continued):

Wireless Telegraphy and Telephony, W. Greenwood, 629

Wireless Working Hints for Beginners, A. Williams, 81

LITTLETON—Queen Mary—Reservoir and Works, 672, 682, 705, 710 (Two-page Supplement, June \§th, 1925)

Lloyd’s Register—see Ships

Lobley, A. G., and C. L. Betts, Gases and Formation of Blow-holes, 540

Lock Nut, A New, Herbert Terry and Sons, 544

Locomotive-building Machines—see Machine Tools

Locomotives, Electric—see Railway Locomotives

Lodge, Sir Oliver, Matter and Radiation, 139

London County Council Tramways, 576

London Section of the British Industries Fair, 55

Low Temperature—see Coal

M

MACHINE TOOLS :

Cutting Tools Research Reports :

126, 163, 318 ; (Letters), 155

Action of Cutting Tools, Professor E. G. Coker, 318

Flow and Rupture during Cutting, Dr. W. Rosenhain and Mr. A. C. Sturney, 126

Forces on a Cutting Tool, Dr. T. E. Stanton and Mr. J. H. Hyde, 126

Lathe Tools and Fine Cuts, Dempster Smith and Arthur Leigh, 319, 389

Locomotive Wheel Quartering Machine, Cunliffe and Croom, Ltd., 250

Plano-milling Machine for Profile Work, Wm.

Muir and Co., Ltd., 308

Pneumatic Drill, E. M. Ling Engineering Company, Ltd., 442

Presses, Inclinable, with Friction Feed and with Double Roll Feed, Friction-driven Screw Press, Bradley and Turton, Ltd., 239, 240

Re-trueing Railway Carriage Wheels and Tires, Machine for, Hulse and Co., Ltd., 414

Rotary Shears, Bradley and Turton, Ltd., 239

Screw-cutting Lathe, Exe Engineering Company, Ltd., 239

Switchgear, Machine Tool, Electrical Apparatus Company, 362

MACHINERY Trade in Germany, 718

Makhonine Motor Fuel Process, 211

Mangahao Hydro-electric Scheme, 266, 270

Manganese—see Iron

Marine Engines—see Engines

Marine Propulsion—see Ships

Ma'ssip Steam Trap, E. Lassen and Co., 608

Matter and Radiation, Sir Oliver Lodge, 139

Measurement of Mechanical Vibrations, H. A.

Thomas, 102

Mechanical Equivalent of Heat, Joule’s First Measurements, W. W. Haldane Gee, 426 ; (Letter), 516

Mechanical Shovel—see Shovel

Mellanby, Professor A. L., on Supersaturation, 543

Metals, Motion of Electricity in, Professor H.

A. Lorentz, 512

Metropolitan Asylums—see Motor Transport

Milestones in the Development of the Prime

Mover Locomotive, Loughnan Pendred, 223 Milling—see Machine Tools

Mills, Sir Frederick, Economics of the Heavy

Iron and Steel Industry, 524 ; (Letter), 595

Mine, South African, All-sliming Plant at, 595

Mineral Production of New South Wales, 466

Mineral Statistics, Our, 108

Miniature Radial Drilling Machine, J. Wightman, 497

Minor Failures, 463

Mitchell, George, Water Supply of the City of Aberdeen, 336

Moore, G. E., Stroboscopic Determination of Speeds and Frequencies, 209

Morris, J., Vibration in Engine Test Gear, 484

Mortising, Boring and Gaining Machine, John

Pickles and Son, Ltd., 359

Motor Fire-engine, Light, Gwynnes Engineering Company, Ltd., 554

Motor Transport in a Public Medical Service, 208, 216

Motor Vehicles, Railway—see Railways

Motor Workshop Wagon, Albion Mot or. Car

Company, Ltd., 496

Motors, Electric—see Electrical Matters

Museum, Deutsches, Munich, 644

N

NEW South Wales, Mineral Production of, 466

New Zealand, Road Construction in, 552, 553

Niagara Cantilever Bridge, Demolishing, 608

Niagara, New Bridge Over, 490, 492

Nowell, Charles, Commercial Libraries, 50

o OBERHASLI Hydro-electric Project, 554

OBITUARY :

Acworth, Sir William Mitchell, 410

Austin, Samuel Peter, 385

Baldwin, Arthur Hugh, 602

Baxter, George Handyside, 83

Billington, John Robert, 360

Clark, William, 602

Cleeves, Frederick, 83

Garstin, Sir William E. (Portrait), 82

Goodwyn, Allen, 138

Heaviside, Oliver, 183

Hellins, Henry Herbert, 83

Holden, James, 656

Jacob, Arthur, 411

Johns, W. H., 109

Jones, Henry Edward, 384

Lees, William, 83

Lord Claud Hamilton, 138

OBITUARY {continued):

Molesworth, Sir Guilford Lindsey (Portrait), 137

Morison, D. B. (Portrait), 525

Reynolds, T. J., 385

Sampson, John, 569

Simpson, Charles Liddell, 331

Sir D. Goldsmid-Stern-Salomons. 456

Terry, Hubert L., 714

Tyzack, Walter, 138

Wallwork, Roughsedge, 83

Wells, Alfred Ernest, 549

White, Robert, 360

Wordingham, Charles Henry (Portrait), 165

OIL-DRIVEN Pumps—see Pumps

Oil Engines—see Engines

Oil Separator, Industrial Waste Eliminators, 239, 240

Ongar—see Wireless

P

PATCHELL, W. IL, Super Power Stations in America, 264

PATENT SPECIFICATIONS :

British :

Aeronautics, 63

Batteries and Accumulators, 255, 695

Building, 396

Condensers and Feed-water Heaters, 31, 667, 695

Cranes and Conveyors, 64, 176, 203, 255, 422, 640

Crushing and Grinding, 476, 560

Dynamos and Motors, 121, 175, 285, 313, 367,

475, 503, 559, 587, 639, 667

Electrical Appliances, 421, 613, 667

Engines, Internal Combustion, 63, 147, 229, 313, 341, 367, 421, 475, 503, 587, 639, 695, 723

Engines, Steam, 341

Furnaces, 64, 121, 229, 614

Gas Producers, 229, 342

Lighting and Heating, 32, 148, 203, 476, 532, 588

Locomotives, 560, 587, 614, 668

Machine Tools and Shop Appliances, 31, 92, 148, 230, 313, 342, 368, 395, 422, 588, 614, 640, 668

Measuring and Testing Instruments, 64, 92, 147, 203, 341, 422, 449, 531, 559, 640, 667, 696, 723

Mining Machinery, 31, 475, 503, 723

Miscellaneous, 32, 122, 148, 176, 204, 230, 256, 285, 314, 368, 396, 450, 504, 532, 560, 588, 640, 668, 696, 724

Motor Cars and Road Traffic, 314, 367, 450, 504, 588, 724

Pumping and Blowing Machinery, 285, 587 Ships and Boats, 121, 395, 476, 531, 696 Steam Generators. 91, 121, 175, 313, 449, 531, 613

Switchgear, 91, 285, 313, 395, 503, 559, 613, 639

Telegraphs and Telephones, 31, 63, 91, 121, 175, 203, 229, 255, 341, 367, 395, 421, 449,

476, 559, 587, 613, 695, 723

Tramways and Railways, 32, 122, 147, 255, 723

Transformers and Converters, 63, 695

Transmission of Power, 31, 91, 121, 175, 203, 255, 285, 395, 449, 531, 614. 640, 667, 696, 723

Turbine Machinery, 147, 229, 475

Welding, 504, 588', 668

PATENTS, United States, 714

Pendred, Loughnan, Milestones in the Development of the Prime Mover Locomotive, 223

Pensabene-Perez, N., Notes on Variable-speed Alternating-current Motors, 624

Personal and Business Announcements, 27, 86, 122, 145, 169, 201, 230, 253, 286, 309, 342, 365, 393, 422, 447, 473, 501, 532, 560, 588, 614, 637, 668, 696, 724

Petrol Power Plant, Automatic, D. Adamson and Co., Ltd., 582

Philosophy of Cutting, 163

Pipe Nipple, Double Expanded, J. Stone and

Co., Ltd., 362 ; (Letter), 406

Pipe, Wood Stave, 400

Pipes, Large Diameter, Centrifugal Casting of, Hurst Ball System, 416

Pistons—see Friction

Pitting Gauge, V. Pickles and G. Hall, 554

Platinum Boom in South Africa, 443

Pneumatic Equipment—see Dock

Pollock, Walter, Increasing the Efficiency of the Screw Propeller, 402, 444

Ports of America and Europe as Seen by an, Australian, 336

Post Office Engineering Work, 184

Poultney, E. C., on Fifty Per Cent. Cut-off Locomotives, Pennsylvania Railroad Systefti, Part L, 509, 550, 575

Power Plant Records, R. H. Parsons, 140

Power Scheme, The Shannon, Sir John Purser Griffith, 132, 575

Preheaters, Howden-Lj ungstrom Preheaters. Ltd., 240

Presses—see Machine Tools

Problems of Professional Status, 579

Production, Increasing, 715, 717

Pulsations, Influence of, on Combustion, J.

Deschamps, 152

PUMPS :

Centrifugal Pumping Set, Small, J. W. Brooke and Co., Ltd., 280

Clyde, New Dock Equipment, Pumping Arrangements for Prince’s Dock and Graving Docks, 233, 242, 274, 304

Combined Electric Motor and Pump, Rhodes, Brydon and Youatt, Ltd., 662

Littleton, Pumping Station, &c., 672, 682, 705, 710 {Two-page Supplement, June \$th, 1925)

Oil-driven Pumping Plant at Chipstead, Crossley Brothers, Ltd., 626, 632

Pumping Station in the Fen District, 76

Simla Water Supply, Pumping Station and Plant, 162, 167 {Two-page Supplement, February 6th, 1925)

PUNJAB Hydro-electric Scheme, 442 Pyrometry—see Engines

Q

QUICKSAND ? What is, 633

R

RADIUM from a Cornish Mine, 571

Radium Industry, Major C. E. S. Phillips, -6o

RAILWAY AND RAILWAY MATTERS :

See also Annual Articles

General;

Automatic Signalling on the Harrow and Rickmansworth Joint Line, 466

Doors of Railway Trains, 712

Economies in Railway Working, 649

Electric Railway Standardisation, 712

Government Inspection of New Railways, 548 International Railway Congress, 628, 646, 675, 683, 712 ; (Note), 697

Cost of Traction : Fuel and its Combustion, 647

Engine Sheds, 676

High-speed Electric Locomotives, 675

Level Crossings, 646

Rails and Rail Joints, 646

Shunting Yards, 676

' Suburban Services, 677

Track, 628

Traffic Control, 677

Section II., Work : Locomotives and Rolling Stock Questions, 712

Main-line Railway Electrification, Sir Philip Dawson and Professor S. Parker Smith, 98, 156, 620, 650 ; (Letters), 240, 295

Motor Coach with Oil Transmission Gear, Swiss Federal Railways, 308

Notable Railway Appointment, 519

Railway Material for Egypt, 55

Railway Results in 1924, 406, 410

Railway Steam Car for New Zealand, Clayton Wagons, Ltd., 570

Retrueing Railway Carriage Wheels—see Machine Tools

Special Railway Saloon for South Africa, 467 Submarine Tubular Railway, Proposed, 245 ;

(Letter), 295 . . .

Switchback Railway at the Paris Exhibition, Sir William Arrol and Co. (Swansea), Ltd., 525

British, Colonial and Indian :

Federated Malay States Railways, 83

Great Northern Railway Company (Ireland),

New Viaduct at Annaghkilly, 139

Indian Railways in 1923-24, 352

New Zealand Railways, Report on, 235

Southern Railway, New Single-phase Equipment, General Electric Company, 486

Foreign Railways ■■

Germany, Main-line Electrification, 620, 650 Scandinavia, Main-line Electrification, 98, 156 Spanish Railways, Classification of, 469 Swiss Railway Electrification, E. A. Eborall, 485

Virginian Railway, Electrification, 606

RAILWAY LOCOMOTIVES :

General:

Diesel Locomotive Design in Germany, 578

Fifty per Cent. Cut-off Locomotives, Pennsylvania Railroad System, E. C. Poultney, Part I., 509, 550, 575

Garratt Locomotives for South African Railways, Beyer, Peacock and Co., Ltd., 498

Geared Shunting Locomotive, Sentinel Wagon Works, 432, 433, 436

General Organisation of Running Sheds, Running Shed Manager, 260

Locomotive Engineers, 244

Locomotive Valve Travel, 711

Milestones in the Development of the Prime Mover Locomotive, Loughnan Pendred, 223

Motor Generator Locomotives, 22,000-Volt, 334

Narrow-gauge Locomotive for Assam, Andrew Barclay, Sons and Co., Ltd., 168

Road Tests of a Diesel-electric Locomotive, Professor G. Lomonossoff, 249

Shipping Locomotives, 86

British, Colonial and Indian :

British Steam Railway Locomotive from 1825-1924, E. L. Ahrons, 2, 34, 66, 94, 124, 150, 178, 206, 232, 258, 288, 316, 344, 370, 398, 424, 452, 478, 506, 534, 562, 590, 616, 642, 670, 698; (Letters), 155, 240, 278, 468, 516, 704

Period 1825-1827, 2

Period 1828-1831, 34

Period 1830-1837, 66, 94

Period 1837-1841, 124, 150

Period 1841-1848, 178, 206

Locomotive Performance to 1845, 232 Period 1846-1849, 258, 288 Period 1849-1855, 316, 344, 370, 398 Period 1855-1859, 424, 452 Period 1860-1865, 534, 562, 590 Period 1866-1869, 616, 642 Period 1870-1875, 670, 698

Locomotive Performances, Speeds, and Coke Consumption, 1845-1859, 478 Coal Burning in Locomotives, 479

Locomotives Built by British Firms for Abroad (including those for Colonial and Indian Railways), 506

Addenda, 372

Addendum, Dewrance’s Liverpool and Manchester Railway, 1841-5, 507

Details, 453, 454, 642

Miscellaneous Details of Construction 1846-1855, 399

For Locomotives Illustrated—see Illustrated Index, Subjects

Exchange Trials—see Locomotive Trials

Locomotive Trials, 492, 627 ; (Erratum), 519 ; (Letters), 516, 651, 652, 688

London and North-Eastern Railway New Locomotives, Mikado (2-8-2), Mr. H. N. Gresley’s Design, 715, 717 ; Garratt Locomotive, Beyer, Peacock and Co., Ltd., 715, 716

RAILWAY LOCOMOTIVES (continued): £

British, Colonial and Indian (continued): (

Lytham Derailment, 457

Stockton and Darlington Railway Locomotive, The Magnet, 440

Foreign :

Electric Locomotives for Main Lines, Scandinavia, 156

Electric Locomotives for the Norte Railway of Spain, 78, 84

French Locomotive Performances, J. T.

Burton Alexander, 153

German Federal Railways, Electric Locomotives, 620, 623, 650, 651

Italian Double-ended Diesel-electric Locomotive, 358

Italian Locomotives at the Grenoble Exhibition, 690

Italian Westinghouse Company’s Electric Locomotive, New Type of Link Work on, 690

Loetschberg Railway Large Single-phase Locomotives, 128

Virginian Railway, Triple Electric Locomotive for, 606

REGULATORS—see Automatic

Reservoirs—see Water Supply

Rhine to Rhone Canal, Improvement of the, 291

Ribble Navigation, 169

Road Bridges, Design of, 335

Road Construction in New Zealand, 552, 553

Road Sweeper, Sprinkler, and Dust Collector, Combined, Karrier Motors, Ltd., 441 ; (Correction), 504

Roads in Devonshire, Andrew Warren, 104

Roads, Wood-paved, Effect of Camber on, James Garvie, 570

Roadless Half-track Vehicle, Vulcan Motor and

Engineering Company, Limited, 572, 574

Roller Bearings—see Anti-friction

Ropeways, Steep, in South Wales, R. White and

Sons, 514 (Two-page Supplement, May 3th, 1925)

Rosenhain, Dr. W., Atomic Structure of Metals and Alloys, 293

Rosenhain, Dr. W., and Mr. A. C. Sturney, Flow and Rupture during Cutting, 126

Russell, Dr., Address, 76, 79

Rutherford, Sir Ernest, The Counting of

Atoms, Studies of Atomic Nuclei, 278, 331,-362, 380

Ryves, Reginald, on Design for a Cellular Gravity Dam, 279

Ryves, Reginald, on Indian Monsoons and

Floods in 1924, 290

s SAINT Paul’s Cathedral : Its Structure, Defects and Repair, William Harvey, 129

Salaries of Engineers, 114

Sankey, Captain H. Riall, James Forrest

Lecture on Heavy Oil Engines, Large Engines of the Self-ignition Type, 508

Sao Paulo, New Water and Drainage Projects for, 237

Scoble, Dr. W. A., Report of Wire Ropes Research Committee, 128

Shannon Power Scheme, Sir John Purser Griffith, 132, 575

Sharr, Francis J., Method of Increasing Workshop Efficiency, 513 ; (Letter), 569

Shears—see Machine Tools

Shifting a Bridge in Vienna, 429

SHIPS AND SHIPBUILDING :

General:

Efficiency of the Screw Propeller, Suggested Method of Increasing, Walter Pollock, 402, 444 ; (Letter), 468

Evolution of the Steamship, Engineer-Captain Edgar C. Smith, 104

Fuel Consumptions of Steam and Oil-engined Vessels, Sterry B. Freeman, 136

Germany’s Mercantile Fleet, 308

H.M.S. Triumph and her Cylinder Liner, Engineer-Captain Edgar C. Smith, 478

Japan’s Contribution to Naval Architecture, Professor F. P. Purvis, 401

Lloyd’s Register :

Annual Summary, 116

Quarterly Shipbuilding Returns, 46, 405

Marine Oil Engine Progress, 191

Marine Oil Engine Trials Committee, 346, 355, 403

Marine and Small Craft Exhibits at the Agricultural Hall, 326

SHIPS AND SHIPBUILDING (continued):

General (continued):

Model Experiments with Anti-rolling Tanks, H. J. R. Biles, 429

Papers, Other, Read before the Institution of Naval Architects—see Associations, &c.

Propeller Jet Marine Propulsion, Edmund S. G. Rees, 494

Propulsive Performance of the Corrugated Ship, E. V. Telfer and A. H. Haver, 430

Righting a Scuttled Destroyer, 434

Shipbuilding in Germany, 356

Shipyard Labour Conditions, British and Foreign, E. T. Good, 660

Stability and Seaworthiness, G. Frodsham Holt, 430

State of British Shipbuilding, 301

Stresses on Rectangular Plates, Professor

C. E. Inglis, 429

Tonnage Legislation, E. Blocksidge, 430

Trading Conditions and Intermediate Passenger Vessels, W. G. Cleghorn, 430

Wake Propeller Coefficients, Admiral D. W. Taylor, 402

British Navy :

Australian Naval Defence, 383

New Battleships, 49

Naval Matters :

Experiments on H.M.S. Wolf, Analysis of Sir John Biles’ Paper on, G. Hs Hoffmann, 401

Naval Shipbuilding Requirements, 547

Navy Estimates, 329

Warship Launchings in 1925, 662

Foreign Navies :

Dutch Torpedo-boat Destroyers, New, 632

Italian Scouts, New, The Leone, Pantera, Tigre, 456, 600, 604

Salving the French Battleship Liberte, 487

Siamese Gunboat Ratanakosindr, Sir W. G.

Armstrong, Whitworth and Co., Ltd., 521 Swedish Navy, Destroyers Nils Ehrenskold and O. II. Nordenskjold, 685

United States High-speed Cruiser Marblehead, 358

Mercantile and Miscellaneous Vessels :

Aorangi, Union Steamship Company’s Motor Liner, Fairfield Shipbuilding and Engineering Company, Ltd., 6, 16, 23, 42, 48, 71, 72, 106, 110, 111 (Supplement, January 2nd, 1925) (Two-page Supplement, January \Q>th, 1925)

Beldis, Motor Ship, with a Cargo of Locomotives, 86

Bintang, Steamship, Conversion of, L. J. Le Mesurier, 380

Italian Motor Liners, Largest in the World, 680

Latvian Icebreaker Krisjanis Valdemars, Wm. Beardmore and Co., Ltd., 686

Launch of the Italian Liner, Conte Bian-camono, 497

Oronsay, Twin-screw Geared Turbine Orient Liner, John Brown and Co., Ltd., 185. 190, 212, 213

Raby Castle, Single-screw Motor Ship, Lancashire Shipping Company, Ltd., 458

Ship’s Motor Lifeboat with Wireless Equipment, 160; (Letter), 188

Sycamore and Dolius Trials, 346, 355, 403 ; (Letter), 485

Thames Motor Tug Sparteolus, A. H. Green and Co., Ltd., 326

Twin-screw Ferry Boat Kathleen, John 1.

Thorny croft, Ltd., 662

SHOVEL, Mechanical, for Subway Work, Bucyrus Company, 633

Signalling, Automatic—see Railways

Sillimanite in the Glass Industry, Two Papers on, 273

Simpkin, N., Lecture on Low-temperature Carbonisation, 487

Sixty Years Ago, 27, 46, 85, 114, 136, 155, 188, 219, 245, 278, 295, 331, 360, 380, 411, 431, 460, 488, 521, 544, 567, 607, 619, 661, 689. 704 ; (Letters), 76, 468

Smith, Dempster, and Arthur Leigh, on Experiments with Lathe Tools on Fine Cuts, &c., 318, 389

Smith, Engineer-Captain Edgar C., on Evolution of the Steamship, 104

| Societies—see Associations

SOUTH AFRICAN ENGINEERING NOTES :

86, 142, 196, 250, 307, 403, 553, 581, 632, 687 African Lake, New, 581

Bwana Mckubwa Copper Mine, 687

Concrete Cooling Towers, 307

SOUTH AFRICAN ENGINEERING NOTES

(continued) :

Demands for New Railways, 581

Device for Handling Grain, 581

Dutton Road-rail Transport System, 86

Electricity for Durban, 633

Electrification of Railways—see Railway

Floating Water Wheel, 196

Gas for Johannesburg, 553

German Locomotives for South Africa, 307

Gold Basis, 687

Gold Mine, Another, 687

Gold Output—see Transvaal

Large Mine Fan, 581

Mineral Output in 1924, 581

Mineral Production in South Africa, 143

Mineral Production of the Union, 251

Mining Efficiency, 687

Modified Fairlie Locomotive, 553

Natal Electric Railway, 633

Natal’s Coal Resources, 633

Natal’s Electric Trains, 307

Newcastle Iron and Steel Works, 403

Orders for Locomotive Boilers, 143

Pig Iron from Union Ore, 250

Quarter’s Gold Output, 581

Railway Electrification in South Africa, 86, 196

Rand Gold Industry, 403

Rand Rockbursts Inquiry, 142

Rolling Stock for South Africa, 307

South African Railways, Progress of, 307

Steel Making in South Africa, 307

Transvaal Gold Output, 86, 307

Transvaal Record Gold Output, 196

Union Air Mail Service, 250, 581

Union Irrigation Development, 553

Union Mineral Statistics, 633

Union Orders Go to Germany, 581

Union Railway Budget, 553

Union Railway Deal, 687

Union Steel Industry, 687

U.S.A. Rails for the Union, 581

Vaal River Pumping Plant, 196

What Gold Mines Spend, 553

World’s Greatest Copper Producer, 86

SPEED and Weight, 271

Spraying Plant, An Improved, A. C. Wells and Co., 58

Standardisation of Crane Essentials, Edward G. Fiegehen, 619

Standardisation, Industrial, C. le Maistre, 129

Stanton, Dr. T. E., and Mr. J. H. Hyde, Forces

on a Cutting Tool, 126 ; (Letter), 155

Stanton, Dr. T. E., Friction of Piston and Piston

Rings, 70 ; (Letter), 240

Static Condensers—see Electrical Matters, 543

Status of Engineers, 107 ; (Paragraph), 89

Steam Engines—see Engines

Steam Regeneration : Its Possibilities, C. O.

Towler, 592

Steam Trap, A Simple, E. Lassen and.Co., 608

Steel—see Iron and Steel

Stroboscopic Determination of Speeds and Frequencies, G. E. Moore, 209

Supersaturation, Professor A. L. Mellanby, 543

Switch b ack—see Rail ways

T

TAFJORD Power Development, 295

Tank Gauge, Negretti and Zambra, 470

Taylor, H. W., Three-wire Direct-current Distribution Networks, 75

Taylor, Major A. M., High-pressure Cables, 108,

115 ; (Letter), 140

Technical Education—see Association of Technical Institutions

Tee Square, A New, Axene, Ltd., 169

3?elephones, 164 ; (Letters), 188, 278

Telephones, Automatic, 302

Telfer, E. V., and A. H. Haver, Propulsive

Performance of the Corrugated Ship, 430

Thom, A., and J. Small, on Velocity .of Wind in Conical Ducts, 262

Thomas, H. A., on Measurement of Mechanical

Vibrations, 102

Time Element, 438

Tinning Compound, Soldo Company, 413

Towler, C. O., Steam Regeneration : Its Possibilities, 592

i Tracey, A. I., Super-tension Cable Dielectrics, 580

Trade of the Port of Wellington, N.Z., 635

Traffic Delay and Level Crossings, 76

Tramway Transport, Vitality of, 718

Tripp, G. W., Apprenticeship in the Royal Ordnance Factories, 372

Turbine Equipment for Power Station, 321, 328

Turbine, Hydraulic, New Type of, Ateliers de

Constructions Mecaniques de Vevey, 220

Turbine, Internal Combustion, 684

Turbine, Internal Combustion, Dr. T. B. Morley 278 .

Turbines—see also Ships

Turner, T. H., Detection of Strain in Mild

Steels, 540

u UNEMPLOYMENT Percentages, 60) Uniflow Engines—see Engines United States Patents, 714

V

VELOCITY of Wind in Conical Duets, A.

Thom and J. Small, 262

Viaducts, Railway—see Railways

Vibration, 628

Vibration in Engine Test Gear, J. Morris, 484

Vibrations, Mechanical, Measurement of, H. A.

Thomas, 102

w WAGON Motor Workshop, Albion Motor Car Company, Ltd., 496

Wagons, 15-Ton Side-tipping, Charles Roberts and Co., Ltd., 85

War Office Subsidy 2-Ton Chassis, Vulcan Motor and Engineering Company (1906), Ltd., 378, 379

Warren, Andrew, on Roads in Devonshire, 104

Water Resources of Canada, 97, 439

Water-softening Plant at Burnell and Co.’s Works, Ellesmere Port, 386

WATER SUPPLY :

Bombay Water Supply, Tansa Completion -Works, 495

City of Aberdeen, Supply, George Mitchell, 336

Kingston-upon-Hull, New Waterworks for, 113

Littleton — Queen Mary — Reservoir and Works, 672, 682, 705, 710 {Two-page Supplement, June 19/A, 1925)

London Water Supply, Some Features of, H. E. Stilgoe, 159

Protection of Underground Water, Report by Advisory Committee, 512

Simla Water Supply, 4200ft. Head Pumping Station, 162, 167 {Two-page Supplement, February 6 th, 1925)

Torquay Water Supply, 457

WATERLOO Temporary Bridge, Sir Wm. Arrol and Co., Ltd., 686, 701 {Two-page Supplement, June 26th, 1925)

Weighing Machine with Special Mechanism, W. and T. Avery, Ltd., 238

Welding Problems, Professor C. R. Darling, 113 Wind—see Velocity

Winder—see Coal ; also Electric Matters

Wire Chain Making, 239, 276, 292

Wire Flattening, 193

Wire Ropes Research, Dr. W. A. Scoble, 128

WIRELESS TELEGRAPHY AND TELEPHONY

Current Transformer Methods of Producing Small Known Voltages, &c., D. W. Dye, 295

Local Reflection of Wireless Waves from the Upper Atmosphere, E. V. Appleton and A. F. Barnett, 441

London Broadcasting Station, New, British Broadcasting Company’s Equipment, 306 Measurement of Frequency and Allied Quantities in Wireless Telegraphy, Colonel K. E. Edgeworth and G. W. N. Cobbold, 295

New Wireless Bill, 217

Ongar and Brentwood Wireless Stations, 596, 597

Resistance in Wireless Circuits, Professor C. R. Fortescue, 265

Seven-valve Supersonic Wireless Receiver, Western Electric Company, 470

Wireless Telegraphy and Signalling Bill, 349

WOOD Stave Pipe, 400

Wood-working Machines : Universal Wood Worker, Wood-mortising Machine, Wood Moulding Machine and Examples of Work, Thomas Robinson and Son, Ltd., 522

Work, Chip and Tool, 126, 135

Workshop Efficiency, Method of Increasing, Francis J. Sharr, 513 : (Letter), 569

See Also

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Sources of Information