The Engineer 1891 Jan-Jun: Index: Miscellaneous

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

The Engineer 1891 Jan-Jun: Miscellaneous Index.

Note: This is a sub-section of The Engineer 1891 Jan-Jun: Index

View the 1891 Jan-Jun Volumes

• 1891, 11
• Abbott, Mr., Oil Gas, 184
• Abstracts of Consular and Diplomatic Reports, 24, 171, 355, 413, 508
• Accident at Norwood Junction, The, 484
• Accident in Switzerland, The Railway, 489
• Accidents by Shuttles Flying from Power Looms, 406
• Ackroyd-Willoughby Smoke Preventer and Fuel Economiser, The, 395
• Adams and Co., Messrs., Stamped Steel Railway Axle-boxes, 161
• Adhesive Power of Bolts in Timber, 38
• Agra Waterworks, The, 55
• Agricultural College, A Richly-endowed, 413
• Agricultural Engineering Syndicate, The United States’, 52
• Air Compressor, Dolcoath Mine, the Champion Rock Borer and Air Compressor Company, 481
• Air Compressors, Messrs. Beiliss and Co., 383
• Air Compressors, Mr. Joseph Williams on the Efficiency of, 4
• Air Pump for Heavy Suburban and Goods Train Engines, 426
• Aird, Mr. J., the “Doubly Secure” Tube Joint, 426
• Alexander, Mr. W. B., Phillip’s Check Chamber, 387
• Alkali Act, Progress under the, 469
• Allan, Alexander, 471
• Allen, Mr. William H., on Auxiliary Engines in Connection with the Modern Marine Engine, 4, 54
• Allen and Co., Messrs. W. H., Electric Lighting Machinery, Naval Exhibition, 501
• Allen and Co., Messrs. W. H., their Engines at the Naval Exhibition, 479, 485
• Allen and Co., Messrs. W. H., Electric Lighting Machinery at the Naval Exhibition, 485
• Alloys, New Aluminium, 1
• All-steel Armour, English, 211
• Alterations of Form in Steel Vessels, Mr. Phillips on, 257
• Alternate Current Motors, Mr. G. U. Jule on, 213
• Alternating Currents, Experiments with High Tension, 426
• Aluminium Alloys, New, 1
• Aluminium, The Reduction in the Price of, 257
• America and Patent Marking, 130
• America, Pig Iron in, 136
• American Blast Furnace Practice, 248, 262
• American Blast Furnaces at Jarrow-on-Tyne, 211
• American Compound Locomotives, 469
• American Engineering News, 18, 38, 56, 76, 154, 194, 216, 270, 308, 356, 396, 434, 454, 496
• American Locomotive Practice, 160
• American Locomotives, 323
• American Locomotives, English and American, 409
• American Notes, 21, 59. 79, 101, 157, 174, 237, 272, 292, 311, 331, 359, 381, 399, 417, 437, 457, 476, 499, 519
• American Patent Fees, The, 324
• American Patents, 399
• American Transatlantic Liners, 270, 282
• American Warship on Fire, An, 499
• American Waterworks, 180
• American Wood-working Machinery in 1893, 353
• Anchor Bolt Tests. Mr. Robt. Moore, 387
• Anderson, Mr. William, Tests for Steel used in the Manufacture of Artillery, 374, 388
• Andrew, Mr. Arnold, 381
• Andrews, Mr. Thomas, Passive State of Iron and Steel, 88
• Aneroid, On the Choice and Use of the, as a Measure of Heights, 299
• Ansaldo and Co., Messrs. G., Engineering Works of, 240, 246
• Ansaldo and Co., Messrs. G., Engineering Works of, 240, 246
• Ansaldo and Co. , Messrs. G., Engines of 6000-H.P. for s.s. “Sirio,” “Orione,” and “Perseo” (Supplement, April 3rd, 1891), 266, 277, 280, 281
• Ansaldo and Co., Messrs. G., Six-wheel Coupled Locomotive for the Mediterranean Railway, 205
• Anti-friction Conveyor and Grinding Machinery Co., The Ball Mill Grinding Plant, 204
• Anti-friction Conveyor and Grinding Mills Co., New Edge Runner Grinding Mill, 36
• Anti-primer, Dougal’s, 300
• Archbutt and Deeley, Messrs. Leonard, New Process of Softening Locomotive Feed-water, 364, 389, 412
• Argentine Great Western Railway, Compound Locomotive Burning Liquid Fuel, 390
• Argentine Government, Torpedo Gunboats, “Rosales” and “Espora,” for the, Messrs. Laird Brothers and Co., 3
• Argentine Government, Trial of Cammell Plates for the, 132
• Armfield, Messrs. J. J., Empire Turbine, 36
• Armour Competition, Russian, at Ochta, St. Petersburg, 29
• Armour, English All-Steel, 211
• Armour-plate Planing Machine, Special, Messrs. Sharp, Stewart, and Co., 124, 125
• Armour-plates, M. Barba, 247, 257
• Armour-plates, Cammell, for the Argentine Government, 132
• Armour-plates, Harvey, 188
• Armstrong, Mitchell, and Co., Sir W. G., War Materiel Manufactured by, 342, 343
• Art in Relation to Shipbuilding, Mr. F. Somerscales on, 73
• Artigue, M. Victor, New Process for Obtaining Photographic Prints in Carbon, 76
• Ashcroft, Mr. A. G., on Marine Engine Trials, 131
• Aspinall, Mr. J. A. F., Standard Goods Engine, Lancashire and Yorkshire Railway (Supplement, February 20th, 1891), 140
• Association, The Architectural, 100
• ASSOCIATION, BIRMINGHAM AND DISTRICT FOREMEN’S AND DRAUGHTSMEN’S, 460
• - Boulenge Chronograph as used for Measuring the Velocity of Projectiles, Mr. A. Driver, 277
• ASSOCIATION OF THE BIRMINGHAM STUDENTS OF THE INSTITUTION OF CIVIL ENGINEERS :
• - Gauging in Connection with River Pollution, Mr. S. R. Lowcock, 100
• ASSOCIATION OF ENGINEERS, THE MANCHESTER, 147
• - Application of Electricity for the Transmission of Power, Mr. John West, 56
• ASSOCIATION OF INSTITUTION OF CIVIL ENGINEER STUDENTS, THE NEWCASTLE :
• - Excursion to Wylam Bridge, and Mr. Hubert Laws’ Paper on Lowering the Main, 252
• - Railway Bridge over the Tyne at Wylam, Mr. W. G. Laws, 252
• Association of Municipal and County Engineers, Incorporated, 340, 362
• Association, New England Waterworks, 181
• ASSOCIATION OF PUBLIC SANITARY INSPECTORS, THE :
• - National Main Drainage, Dr. B. W. Richardson, 364
• Astronomical Photography, 515
• Atkinson, Messrs., on Electric Mining Machinery, 122
• Atlantic Record, The, 425
• Australasian Defence, 210
• Australia, Coal Mining in, 248
• Australia, Coal Seam in South, 515
• Australia, Continuous Brakes in, 277
• Australia, Manufacture of Iron and Steel in, 493
• Australian Engineering Notes, 292, 496
• Australian Railway Notes, 18, 174, 270, 292, 356
• Austrian Steam Fire Engine, An, Mr. Wm.Thurs- field, 3
• Auto-Lubricating Axle-box and Shield, The, 472
• Automatic Tramway, Dundee Harbour, 327
• Auxiliary Engines in Connection with Modern Marine Engine, 4, 54
• Axle-box Brass Boring Machine, Double, 515
• Axle-box, Bobbin’s Patent, 481
• Axle-box and Shield, The Auto-Lubricating, 472
• Axle-boxes, Stamped Steel, 161, 224, 252, 262, 282, 321
• Axle, Experiments with a Steel Crank, 260
• Axles, Steel v. Iron, 47, 85

• BABBAGE’S Calculating Machine, 184
• Babcock and Wilcox Co., The, and their Agreement with the Creusot Works, 189
• Bagshawe, Mr. Walter, Mechanical Treatment of Moulding Sand, 114
• Baldwin Locomotive Works, The, 319, 421, 424
• Ball, Dr. E. J., on the Changes produced in Iron by Thermal Treatment, 384
• Ball, Mr. J. B., Carriage-way Pavements in Large Cities, 163
• Ball Mill Grinding Plant for South Africa, The, 204
• Ballooning, Progress in Military, 460
• Band Saw Guide, Wright’s Patent, 152
• Barber, Mons., on Armour Plates for Ships, 247, 257
• Barbette Ship, Royal Sovereign, H.M., 139, 140
• Barham, Mr. H. G. F., on “Foundations,” 183
• Barometric, Heights, 47, 66
• Barry Dock and Railways Company, 5
• Basic Open-Hearth Steel, Mr. Jas. Davis on, 74
• Basic Process as applied to Copper Smelting, The, 23
• Battleships, The New, 84
• Battleships for the U.S. Navy, 404, 405
• Bazalgette, Sir Joseph W., 231, 354
• Belgian Steam Engines (Supplement Jan. 16th, 1891), 44, 48
• Beiliss and Co., Messrs., Combined Engine and Dynamo, 383
• Beiliss and Co., Messrs., Triple Air Compressors, 383
• Bettaloo, Waterworks, Concrete Dam, 362, 366
• Betteley, Mr., Bicycle fitted with new Construction of Spring Frame (Figs., 5, 6, 7), 133
• Beyer, Peacock and Co., Messrs., Compound Locomotive Burning Liquid Fuel, 390
• Bickle and Co., Messrs., The Pelton Wheel, 170
• Bidwell, Mr. S., His Nickel Pendulum, 494
• Biles, Mr., on some recent Warship Designs for the American Navy, 223, 239
• Bill, The Inflammable Liquids, 167
• Bill, Procedure, Private, A Revolution in, 71
• Birmingham Water Supply, The, 213, 295
• Blakesley, Mr. T. H., Work done upon Cores of Iron in Alternating Currents Apparatus, 144
• Blast Furnace Ores, English, 262
• Blast Furnace Practice, American, 248, 262
• Blast Furnace Strike, Close of the Scotch, 211
• Blast Furnaces, American, at Jarrow-on-Tyne. 211
• Blast Pipes, Macallan’s (Illustrated), 425
• Blast Pipes and Boilers, 72
• Block Fuel Machinery ? 71
• Block System, The, 126
• Block System on the City and South London Railway, Mr. C. E. Spagnoletti, 54
• Block System, Invention of the, 5, 27, 47, 66, 85, 126, 127, 146, 164
• Blum’s Method of Repairing Wet Arches and Abutments, 144
• Board of Trade Examinations for Extra Chief Engineers, 95
• Boardman’s Electric Sun Lamp, Naval Exhibition, 479
• Boiler Construction, Mr. A. F. Yarrow on, 225 239
• Boiler Deposits, Professor Lewes on, 239, 258
• Boiler Furnaces, Strength of Marine, 188
• Boiler Inspection, 146
• Boiler-making Shops of Messrs. G. Ansaldo and Co., Sampierdarena, 246
• Boiler, A New Water-tube, 43
• Boiler Registration, 285
• Boiler-room, The s.s. “Violet,” 354
• Boiler Running, Mr. J. A. Harvey, 254
• Boiler Works of Messrs. Maudslay, Sons, and Field, Visit of the Junior Engineering Society, 231
• Boiler, Yarrow’s Tubulous, 43
• Boilers, Blast Pipes and, 72
• Boilers, Furnaces for Marine, 150
• Boilers Furnish Wet Steam, How Steam, 255
• Boilers, Heat Transmission in, 66
• Boilers, Water-tube, 46, 347, 378
• Bollinckx Engines, The, (Supplement, January 16th, 1891), 44, 48
• Bollinckx, M. H., Horizontal Corliss Engine (Supplement, January 16th, 1891), 48
• Bolling and Lowe, Messrs., Steel and Iron Report, 27
• Bolton, Mr. R., Electric Cranes, 146
• Bolts in Timber, Adhesive Power of, 38
• Bombay, The Sun Cotton Mill. 208, 213, 243, 249, 257, 261, 264
• Books Received, 99, 169, 286, 304, 393, 491, 513
• Boring Machine, Double Axle-box Brass, 515
• “Boshes,” Derivation of, 279
• Boulenge Chronograph as Used for Measuring the Velocity of Projectiles, Mr. A. Driver on the, 277
• Boult, Mr. Joseph, Notes on the Phenomena of, 131
• Boyeur, M. Leon, the Crueize Viaduct, 441, 442
• Brake-handle Tramcar, Mr. Groombridge, 354
• Brake for Mountain Bailways, Safety, 98
• Brake Pump, Duplex, the New York Air Brake Company, 426
• Brakes, Continuous, in Australia, 277
• Brakes, Westinghouse and Vacuum, 454
• Brassey, Lord, on the Future Policy of Warship Building, 221
• Brazed Steam Pipes, 251
• Brennan Torpedo, The, 303, 345
• Brenta, Extension of a Syphon under the, Mr. F. Cesareni, 79
• Brick, Stone, and Cement Machinery Exhibition, 145
• Bridge Failure, Norwood Junction, 377
• Bridge Girder Flanges, On the Lateral Stability of, 419
• Bridge Girders, Spacing Railway, 192
• Bridge over the Indus at Sukkur, 8
• Bridge at Richmond, New, 47
• Bridge over the St. Lawrence, Proposed New, 64
• Bridge across the Seine, A New, 304
• Bridge at Sukkur, The Lansdowne, Sir A. M. Rendel, 28, 32
• Bridge, The Tower, 296, 297, 300, 301, 302, 488, 492
• Bridge, Wylam Railway, 252
• Brighton Sewage System Endangered, The, 130
• Brine Pumping, Compensation for Subsidence Bill, 372
• Bristol’s Recording Pressure Gauge, 73
• Britannia Company, The, Sensitive Drilling Machine, 180
• BRITISH ASSOCIATION, THE:—
• - On the Construction of Large Sluices, Mr. F. G. M. Stoney, 25
• Bronze, Stone’s Patent, 326
• Brown and Co., Messrs. John, Armour at the Naval Exhibition, 440
• Brown, Mr. Oswald, His Appointment by the Government of the Colony of S. Australia, 44
• Brown’s Armour Plate Dismounted after Competition, Back of, 29
• Brown’s Plate, 29
• Brush Patent Carriage, 129
• Bryce-Douglas, Mr. Archibald, 287
• Buenos Ayres and Ensenado Port Railway, Rolling Stock, Mr. Edward Wood, 141, 142
• Buenos Ayres, The Great Central Produce Market, 444, 452
• Buffet Smoking Car, Buenos Ayres and Ensenado Port Railway, 141, 144
• Bull Metal Yacht, Edie, Composite, 64
• Burning Sodium, The Light from, 515
• Burrell and Sons, Messrs. Charles, Ten-ton Compound Steam Roller, 367
• Burton Cycle Syndicate, The, Bicycle (Fig. 3), 133
• Button Making Machinery, 429

• CAHOURS, M., His Bequest to the Academy of Sciences, 407
• Calculating Machine, Babbage’s, 184
• Caledonian Engine, No. 123, 200, 201
• Caledonian Railway, The, 230
• Calorimeters for Testing Fuels on a Small Scale, with Notes on Fuel-testing Stations, 37
• Camera, “Acme,” Messrs. Watson and (Fig. 6), 351
• Camera Club Conference, The, 298
• Camera, Panoramic, Messrs. G. Houghton and Son (Figs. 1, 2, 3), 351
• Camera, The Radial, 170
• Camera Stand and Ladder, Messrs. G. Houghton and Sons, 351
• Cammell and Co., Messrs., Their Exhibits at the Naval Exhibition, 439
• Cammell Plates for the Argentine Government, Trial of, 132
• Campbell-Swinton, Mr. A. A., Electric Lighting at New Scotland Yard, 8
• Canada, Mineral Resources of, 1
• Canal, Completion of the Panama, 327
• Canal, The Manchester Ship, 25, 112, 177, 203, 502
• Canal, Manchester Ship, Stoney’s Sluices on the Weaver, 25
• Canal, The Nicaragua, 459
• Canal, The Paris Ship, 249
• Canet Quick-Fire Gun, The, 468, 473
• Canals and Inland Navigation in 1890, 2
• Canals, The Uncompleted Ship, 188
• Capital and Labour, Royal Commission on, 168
• Capital and Labour, Mr. F. W. Shorey, 70
• Cape of Good Hope and Natal Mail Service, 172
• Cape Mail Steamship “ Scot,” The, 439
• Carbon, Obtaining Photographic Prints in, 76
• Carbutt, Mr. E. H., On the Report on the Friction of a Pivot Bearing, 252
• Carriage Way Pavements in Large Cities, Mr. J. B. Ball, 163
• Carpenter, Mr. C. C., On Modern Coal Gas Manufacture, 367
• Carpenter, Mr. Jas., All-Metal Spring Vehicle Wheel, 413
• Carpenter Projectiles, Harvey Armour Plates and, 188
• Carrington, Mr. W. T. H., On the Reception and Storage of Refined Petroleum in Bulk 290
• Case against the 110-ton Gun, 168
• Catalogues, 282
• Catalogues Received, 328, 460
• Cause of Gravitation, The, 306
• Cement Drying and Burning Apparatus Stokes’ Continuous Portland, 53
• Cement Making Apparatus, Stokes’ Continuous Portland, 53
• Cement, The Manufacture of, 85
• Cement Plant, Stokes’ Portland, 76, 85, 126, 146, 164
• Cement Testing, a New Era in, 391, 412
• Cement Testing Machine, Michele’s, 493
• Census, Eccentricities of the, 511
• Centenary of the Birth of Michael Faraday, 473
• Central London Railway Bill, 213
• Central London Railway Bill, The, 180
• Cesareni, Mr. F., Extension of a Syphon under the Brenta, 79
• Chace, Mr. G. F., on Care of Water Mains in Relation to Quality of Water, 181
• Champion Rock Borer and Air Compressor Company, 481
• Channel Tube Scheme, The, 224
• Channel Tubular Railway Bill, The, 493
• Chanstangla Interchangeable Gauge Gland, 351
• Chapman Quadruple Effect Evaporator, The, 277, 278
• Chatterley, Whitfield Collieries, 66
• Cheap Gas Engine Power, 54
• Cheaper Telegraphy and Manufactures, 392
• Check Chamber, Phillips, 387
• Check to Shipbuilding, A, 93
• Checked Combustion, The Products of, 286
• Chemical Manufacture, The Northern, 450
• Chester Sewage Disposal, 440
• Chloroform, The Manufacture of, 516
• Chili, Naval Operations in, 371, 389
• China, Iron and Steel Works in, 410, 433
• Christia, A New Waterproof Material, 232
• Christy, Mr. Thomas, On Improvements, in Surgical Dressings and Waterproof Materials, 232
• Chronograph, Mr. A. Driver on the Boulenge, 277
• City and South London Railway, 182, 183
• “City of Paris,” s.s., The, 266
• Civil Engineering, 11
• Clark, Mr. Lyonel, “On the Lenses,” 298
• Clayton, Mr. Nathaniel, 18
• Clayton and Shuttleworth, Messrs., Compound Horizontal Engine, 205
• Clayton and Shuttle worth, Messrs., Traction Engine, 507
• Cliff Faces, The Maintenance of, 372
• Climatological Table for 1890, 374
• Clyde Shipbuilding Firms, Messrs. W. Denny and Bros. (Supplement, February 27th, 1891), 159
• Clyde Shipbuilding Firms, The Fairfield Ship-building and Engineering Co., Limited, 401 408
• Clonmel Waterworks, 122
• Coal Contracts, The New, 450
• Coal Discharging Elevator, Locomotive, 502
• Coal Gas Manufacture, 367
• Coal and Iron Trade, The, Both sides of the Shield, 304
• Coal Miners, Work and Wages of, 51
• Coal Mining in Australia, 248
• Coal, The Price of, and its Effect on Industry 286
• Coal Seam in South Australia, 515
• Coal sent to London by Railway, April, 1891, 411
• Coal Washing, for Coke Making, 171
• Coalfields of Great Britain, Geology of the, 85
• Coalowners and Colliers in Conference, 53
• Coast Defence in the United States, 38
• Coeur d’Albne Silver Lead Mine, Idaho, 482
• Coke Making, Coal Washing for, 171
• Collieries, Periodical Inspection of, by Workmen, 470
• Colliers’ Strike on the Continent, The, 410
• Colombo, Fortification of, 372
• Combustion, The Products of Checked, 286
• Committees and Counsel, 188
• Commutator, Safety, 212, 224, 259
• Compensation for Subsidence in the Salt Districts, 150
• Composite Bull Metal Yacht, “ Edie,” 64
• Composite Carriages, Southern Mahratta Railway (Supplement, March 26th, 1891), 232
• Compound Locomotive, The First, 426
• Compound Marine Engines Sixty Years Ago, 61, 306
• Compressed Air, Effects of Working in, 230
• Concentrating Brown Hematites, 345
• Condensing Steam Hammers, 85
• Condition of the Steam Shipping Trade, 73
• Conference, Coal Owners and Colliers in, 53
• Conference, Miners in, 35,
• Congo, Stern-wheel Steamer for the, 318
• Congress of Hygiene and Demography, 396
• Continental Miners, Tbe Position of, 392
• Continuous Brakes in Australia, 277
• Contracts, Liabilities of Ocean, 112
• Contracts in Germany, Government, 168
• Conversazione of the Royal Society, Exhibits the, 376
• Cooke, Mr. R. I., Cost of Stone Dressing, 55
• Cooper, Mr., Improved Water Cooler, 240
• Copper Depositing Process, The Elmore, 95, 178
• Copper Main Steam Pipes, Preservation of, 66
• Copper Smelting, The Basic Process as applied to, 23
• Copper Smelting at Leeds, 410
• Copper Steam Pipes, 126
• Copper Trade and Engineering, The, 512
• Cores of Iron, Work done upon, in Alternating Currents Apparatus, 144
• Corliss Engine, Details of Horizontal, M. H. Bollinckx (Supplement, January 16th, 1891),
• Corliss Engine, Horizontal, M. H. Bollinckx (Supplement, January 16th, 1891). 48
• Corliss Engines, Triple Expansion, Messrs. John Musgrave and Sons, 243, 249, 257
• Corliss Mill Engine, Compound, Messrs. John Musgrave and Sons, 208, 213, 257, 243, 249
• Corps of Naval Constructors, The, 481
• Cost and Consumption of Gas, 449
• Cotton Industry, Decadence of the Scotch, 373
• Cotton Mill, Bombay, The Sun, 208, 213, 243, 249, 257, 261, 264
• Coultas Finishing Thrashing Machine, 505
• Cousins, Mr. Geo., “Seabreeze” Spring-frame Bicycle (Fig. 4), 133
• Covering Pipes ? 429
• Crane, 15-ton, Locomotive Steam, 424, 427
• Crane Posts, Stresses in, 85, 127
• Cranes, Electric, Mr. R. Bolton, 146
• Crank and Intermediate Shafts for Marine Engines, 257
• Crank Shaft Lathe, Special, 277, 284
• “Crocodile ” Stern Wheel Steamer, 508 Crompton, Dr. Samuel, 430
• Crompton, Mr. R. E. B., Cost of Generation and Distribution of Electrical Energy, 298
• Crookes, Mr. Wm., His Exhibits at the Royal Society’s Conversazione, 494
• Cross Girders in Railway Bridges, Spacing, 192
• Crueize Viaduct, The, 441, 442
• Cruiser, “Charleston,” United States Twin- screw, Steel, 405
• Cruiser, Launch of Government, Messrs. R. Stephenson and Co., 8
• Cruiser, Royal Arthur, First-class Protected, 139
• Cruiser, “San Francisco,”The United States, 484
• Crushing’ Hard Silica, 278
• CRYSTAL PALACE PHOTOGRAPHIC EXHIBITION : THE “Acme” Camera, Messrs. Watson and Sons (Fig. 6), 351
• - Camera Stand and Ladder Combined, Messrs. G. Houghton and Sons (Fig. 4), 351
• - Magnesium Flash Lamp, Messrs. Watson and Sons (Fig. 5), 351
• - Panoramic Camera, M. Moessard’s, Messrs. G. Houghton and Sons (Figs. 1, 2, 3), 351
• Cummins, Mr. W. R., “On Increased Boiler Pressure and Increased Piston Speed for Marine Engines,” 121
• Curious Diagram, A, 306, 317, 378, 407, 461
• Cutting a Millimetre Screw on an English Lathe, 278
• Cyanide Process of Gold Extraction, 88
• Cycles at the Royal Aquarium, 172
• Cycles, The Stanley Exhibition of, 133
• Cylinder Engines, Revolving, 61
• Cylinder, Joy’s Steam Assistant, l13

• DAM, Concrete, Bettaloo Waterworks, 362, 366
• Dani, Failure of a, at Portland, Mobile, U.S.A., 376
• Davey, Mr., “On Recent Trials of Rock Drills,” 252
• Davey, Paxman and Co., Messrs., Mild Steel Frames for Pianoforte Frames, 56
• Davis, Mr. James, “On Basie Open-hearth Steel, 74
• Davis’ and Stokes’ Safety Commutator, 212, 224, 259
• Dawson, Mr. Barnard, Gas Furnaces, 113
• Deck Armour Target for a Vertical Fire, 445
• Decoeur, M. P., Continuous Utilisation of Tidal Power, 7
• Dee, Navigation of the River, 55
• “25 De Mayo,” Guns of the, 109
• Denny and Bros., Messrs., Clyde Shipbuilding Firms (Supplement, February 27th, 1891), 159
• Denny and Bros., Messrs. W., The s.s. “Scot,” 465
• Density of the Water in Marine Boilers, 184
• Denudations at Aber-Menai, Anglesey, Mr. G. Farren, 349
• Denzler, D’A., “ On Electric Lighting m Switzer land,” 88
• Desdouits, M., Experiments on the Resistance of Trains on R.P., 119
• Design and Construction of Sewage Precipitation Works, Mr. A. Wolheim, 163
• Determination of the Coefficients of the Relation between the Power and Speed in the Propulsion of Steam Vessels, Robt. Mansell on the, 275
• Diagram, A Curious, 306, 317, 378, 407
• Dickinson’s Radial Camera, 170
• Diving Dress, A New, 454
• Dixon, Mr. John, 106
• Dolcoath Mine, Air Compressor, 481
• Doncaster and Future Coal Fields, 503
• Donkin and Holliday, Paper by Messrs., On Calorimeters, 37
• Door, The “Hope” Flush-elosing Sliding, 404
• Double Axle-box Brass Boring Machine, 515
• Drainage, Engineering Proposals, Important, 248
• Drainage, London Main, 209
• Drainage of Towns and Water Supply, The, 52
• Drake and Gorham, Messrs., Electric Lighting Plant, New Scotland Yard, 8, 375
• Drift, Littoral Movement of, 61
• Drilling and Boring Machine, The Horizontal, Tbe Northern Engineering Co., 300
• Drilling Machine, The Sensitive, 180
• Driver, Mr. A., On the Boulenge Chronograph, 277
• Driver, Triple-row Steam Pile, 363
• Drop Table? 323
• Dunean, Stewart and Co., Messrs., Rolling M U Engines, 363, 370
• Dundee Harbour, Automatic Tramway, 327
• Duplex Face Lathe, Messrs. Lister and Co., 152
• Duplex Pumping Engines, Compound, 461
• Durham College of Science, The, 262
• Dustless Basic Slag Grinding Mill, 315
• Dynamics of Gravity, On the, 278
• Dynamite Gun, The Graydon, 94, 95
• Dynamo, Railway Train Lighting, Messrs. Holmes and Co., 394,

• EARLE’S Shipbuilding and Engineering Co., Triple Expansion Engines of H.M.S. “Pearl” and “Philomel,” 464, 465, 466, 448
• Earnings, Railway, 130
• Easton and Anderson’s Mounting, “H.M.S Rupert,” 322
• Eccentricities of the Census, 511
• Economical Test for Marine Furnaces, An, 35
• Eddystone Lighthouse, Royal Naval Exhibition, 288
• Eddystone Lighthouse Lamp, 501
• Edge Runner Grinding Mill, Tbe Anti-frictiun Conveyor and Grinding Mill Co., 36
• “Edie,” Composite Bull Metal Yacht, 64
• Education of an Engineer, The, 203, 224 262 489
• Education of an Engineer, Prof. H. S. Hele Shaw, 203, 262
• Education of Engineers, Mr. Henry McLaren on the, 180, 204
• Effects of Working in Compressed Air, 230
• Efficiency of . Air Compressors, Mr. Joseph Williams on, 4
• Efficiency of Heating Surfaces, 47
• Eight-hours Day in France, 54
• Eight Hours Movement, The, 151
• Electric Automatic Bridge Indicator for Steamships, Mr. A. J. Maginnis on a new, 131
• Electric Cranes, Mr. R. Bolton, 146
• Electric Launch, Messrs. Woodhouse and Rawson 479
• Electric Light Installation near Ascot, 107
• Electric Lighting in the City, 38
• Electric Light Machinery for Paris Stations, 189
• Electric Lighting Engine, Triple Expansion, Messrs. Ruston, Proctor, and Co. (Supplement. February 6th, 1891), 88, 90, 108, 115,
• Electric Lighting Installation at the Athemeum, Glasgow, 164
• Electric Lighting in London (No. 8), 43, 44 45 49, 68, 69, 70
• Electric Lighting Machinery, Naval Exhibition 479, 485, 501, 510
• Electric Lighting of the National Sporting Club 318
• Electric Lighting at New Scotland Yard, 8, 375
• Eleetnc Lighting in Switzerland, 88
• Electric and Magnetic Energy, 134, 146
• Electric Mining Machinery, Messrs. Llewelyn, B. and Claude W. Atkinson, 122
• Electric Railway Troubles, 215
• Electric Sparking Prof. Perry’s Method for Destroying, 494
• Electric Supply Corporation, London, 211
• Electric Transmission, Plant for the Cceur d ARne Silver-Lead Mines, Idaho, 482
• Electrical Energy, Cost of Generation and Dis- tnbution of, 298
• Electrical Engineering, 15, 97, 305
• Electrical Engineering, Mr. W. C. Mountain, 305
• Electrical Engineering, The School of, 97
• Electrical Museum, A Permanent, 98
• Electrical Puzzle, An, 495
• Electrical Standards, 134
• Electrical Supply Corporation, The London, 149
• Electrical Supply Meter, Prof. Perry’s, 494
• Electrical Transmission of Power, 131
• Electrical Treatment of Sewage, 5
• Electricity, The Application of, for the Transmission of Power, 56
• Electricity, The Frager Meter, 431
• Electricity Meter, The Teague, 493
• Elevator, Locomotive, Coal Discharging, 502
• Elmore Copper Depositing Company, Limited, The Visit to the Works of the, 95, 178
• Elswick Gallery, The, Naval Exhibition, 342
• Elswick Mountings, H.M.S. “Thunderer,” 325
• Elswick Pneumatic Gun Mounting, Naval Exhibition, 346
• Empire Turbine, Armfield’s, 36
• Engine, An Austrian Steam Fire, Mr. W. Thurs- field, 3
• Engine Building, Government, 78
• Engine No. 123, Caledonian, 200, 201
• Engine, Compound Corliss Mill, Messrs. John Musgrave and Sons, 208, 213, 243, 249, 257
• Engine, Compound Horizontal, Messrs. Clayton and Shuttleworth, 205
• Engine, Compound Pumping, at Bradley (Supplement January 23rd, 1891), 74
• Engine, Compound Worthington Pumping, Oxford Corporation Waterworks, 166, 169, 186, 190, 214, 244
• Engine Drivers, The Hours of, 229
• Engine and Dynamo Combined, Messrs. Beiliss and Co., 383
• Engine, Express Passenger, Great Northern of Scotland Railway, 6
• Engine, Goods, Lancashire and Yorkshire Railway, Mr. J. A. F. Aspinall (Supplement, February 20th, 1891), 140
• Engine, Great Eastern Railway, Single Express Passenger Engine (Supplement June 12th) 1891), 464, 482
• Engine, Horizontal Corlis’, M. H. Bollinckx (Supplement, January 16th, 1891), 48
• Engine Indicator, Professor Perry’s, 494
• Engine Power, Cheap Gas, 54
• Engine, Repairing a Marine, 433
• Engine-room Management and Sub-division, 27
• Engine-room Practice, Mr. W. W. Wilson on Improvements in, 147
• Engine, Six-wheel Coupled Locomotive, The Mediterranean Railway, Messrs. G. Ansaldo and Co., 205
• Engine, Traction, Messrs. Clayton and Shuttleworth, 507
• Engine, Trials of the Iona, 412
• Engine Trials, Marine, 361, 362
• Engine, Triple Expansion, Electric Lighting (Supplement, Feb. 6th, 1891), 88, 90, 108, 115
• Engine, The Worthington, 206
• Engine, Worthington Pumping, Oxford Corporation Waterworks, 166, 169
• Engineer, The Education of an, 203, 224, 262, 489
• Engineer, The Education of an, Professor H. S. Hele Shaw, 203, 262
• Engineer, How to Become an, 352, 369, 389, 412, 433, 443,486, 503, 504
• Engineer should be, What an, 429, 470
• Engineering, Civil, 11.
• Engineering, The Copper Trade and, 512
• Engineering, Drainage, 248
• Engineering, Electrical, 15
• Engineering Finance, 38, 46, 57, 313
• Engineering, Finance—Shop Orders, 313
• Engineering, Idle Steamships and, 35
• Engineering, Irish Railways and, 348
• Engineering Life in the Spanish Mercantile Marine, 495
• Engineering, Marine, Mr. Thomas Mudd, 288
• Engineering, Mechanical, 13
• Engineering and Metal Trades, Frost and the, 35
• Engineering and Metal Trades, Labour in the, 230
• Engineering, Problems in Steam, 33
• Engineering, Sanitary, 17
• Engineering Student’s Club, Newcastle-on-Tyne, 118
• - Boiler Running, Mr. J. A. Harvey, 254
• - Discussion on the Marine Boiler, 118
• Engineering Syndicate, The U.S. Agricultural, 52
• Engineering Trades in 1890, 36
• Engineering Trade, Abolition of Piecework in the, 146
• Engineering Works of Messrs. G. Ansaldo and Co., Sampierdarena, 242, 246
• Engineers, Mr. H. McLaren on the Education of, 180
• Engineers, Board of Trade Examinations for Extra Chief, 95
• Engineers, Engine-room Artificers and Stokers for the Navy, 96, 134, 206
• Engineers and Firemen in the Mercantile Marine, 121
• Engineers in the Navy, 5, 27
• Engineers and Railway Rates, 304
• Engineers and the Tin-plate Trade, Ironworks’, 410
• Engines, Air Pump for Goods Train, 426
• Engines, An Assistant Cylinder for Marine, 257
• Engines, Auxiliary, in Connection with the Modern Marine Engine, Mr. W. H. Allen, 4, 54
• Engines, Balancing of High-speed Steam, 191
• Engines, Belgian Steam, 44, 48 (Supplement January 16th, 1891)
• Engines and Boilers of French Torpedo Boat, M. Aug. Normand, 81, 82, 83
• Engines, Centrifugal Pump, H.M.S. “Revenge” and “Resolution,” 383
• Engines, Compound, of the City and S. London Railway, 182, 183
• Engines, Compound Duplex Pumping, 461
• Engines, Compound Locomotive, 96
• Engines, Compound Marine, Sixty Years Ago, 267, 306
• Engines, Compound Mean Pressure of, Mr. D. MacMillan on, 340
• Engines, Crank and Intermediate Shafts for Marine, 257
• Engines of H.M.S. “Pearl” and “Philomel,” Triple Expansion, 440, 464, 465, 466
• Engines in Italian Ironclads, 96
• Engines, Marine, 121
• Engines? Oscillating, 229
• Engines Portable Hauling, Messrs. J. Wild and Co., 109, 113
• Engines, Pressures in Compound, 340, 381
• Engines Revolving Cylinder, 61
• Engines, Rolling Mill, for the Parkhead Rolling Mills, 363, 370
• Engines, 6000 H.P., of the “Sirio,” “Perseo,” and “ Orione” (Supplement, April 3rd, 1891), 266, 277, 280, 281
• Engines Sixty Years Ago, Compound Marine, 61
• Engines of the s.s. “Sybille,” Triple Expansion, 145, 148
• Engines, Steamships and, 373
• Engines, Triple Expansion, Nile Paddle Steamer,' The Southampton Naval Works Co., 125, 128
• Engines, Triple Expansion, s.s. “Violet,” 296, 297
• Engines, Triple Expansion Corliss, Messrs. John Musgrave and Sons, 208, 213, 243, 249, 257
• English, All Steel, Armour, 211
• English and American Locomotives, 34, 126, 409
• English Blast Furnace Ores, 262
• English Implements Abroad, 450
• Equipotential Train Lighting Dynamo, Messrs. Holmes and Co., 394
• Ericsson, Capt., Submarine Guns, 381
• Eroder for the River Dee, 55
• Estimates, Costs, Prices, 4
• Eucalyptus Boiler Fluid ? 371
• Evaporator, The Chapman Quadruple Effect, 277, 278
• Exhaustion of Natural Gas Supplies, 266
• Exhibition, Brick, Stone, and Cement Machinerv, 145
• Exhibition at Prague, 36
• Exhibition, The Royal Naval, see Royal Naval Exhibition, 169
• Exhibition, The Tasmanian, 254
• Exhibition of Cycles, The Stanley, 133, 153
• Exhibits at the Conversazione of the Royal Society, 376
• Explosion and Loss of Life, 206
• Explosives, 371
• Extractor for Feed-water, See’s, 354

• FACTORIES and Workshops, 409
• Fairfield Shipbuilding and Engineering Company, Limited, 401, 408, 446
• Fairfield Shipyard, The, 446
• Falcon Engine and Car Works, The Safety Brake for Hong Kong Tramway, 98
• Faraday Centenary, The, 514
• Faraday, Michael, Centenary of his Birth, 473
• Farren, Mr. G., Denudations at Aber-Menai, Anglesey, 349
• Fawcett and Preston, Messrs., The Quadruple Effect Evaporator, 277, 278
• Feed-water Extractor, See’s, 354
• Feed-water Heating, 252, 262, 279, 307, 321
• Fenney’s Pipe and Joint-cutting Machine, 224
• Ferranti Steam Pipe, The, 200
• Fielding and Piatt, Messrs., Compound Duplex Pumping Engines, 461
• “Fifty-three Hours,”Circular Issued in the Manchester District, 191
• Fifty-three Hours’ Movement, The, 191, 206
• Filter, The Warren, 485
• Finance, Engineering, 38, 46, 51, 57
• Fire-box, Novel, 367
• Fire Engine, An Austrian Steam, Mr. W. Thurs- field, 3
• Fire Protective Apparatus at the Naval Exhibition, 420
• Fires in London, 130
• Fish Wharf Works at Great Yarmouth, New, 304
• Fiske’s Range Finder, 362
• Flachat, M. Eugene, 373
• Flanged Shell, Marine Boiler, 289
• Flanges, On the Lateral Stability of Bridge Girder, 419
• Flashing Steam Engines ? 229
• Foden and Sons’ Finishing Thrashing Machine, 505
• Fog, Smoke and, 187, 206
• Force and Motion, 412, 430, 433, 451, 462, 494, 504
• Forced Draught, 104, 225, 252, 326, 352
• Forced Draught, The Inventor of, 104
• Forced Draught and Leaky Tubes, 225, 252
• Forced Draught on Steamships, 326
• Foreign Government Orders in France, 410
• Forging Press, Vickers’, 5
• Fortification of Colombo, 372
• Fosbery, Colonel, on the Magazine Arm. 410
• “Foundations,” Mr. H. G. F. Barham on, 183 Foundry Mixtures, 85
• Fowler and Co., Messrs. John, Compound Engines of the City and South London Railway, 182, 183
• Frager Electricity Meter, The, 431
• Frager Water Meter, The, 327
• France, Eight Hours Day in, 54
• France, Foreign Government Orders in, 410
• French Cruiser, “Le Tage,” The (Supplement, May 15th, 1891), 384
• French Patent Law, Celebration of the Promulgation of the, 369
• French Shipbuilding, New, 512
• French Iron and Steel Trades in 1890, 8
• French Torpedo Boats, 81, 82, 83, 126
• French Wrecks in 1889, 359
• Friction of Gearing ? The, 449
• Friction in Pivot Bearings, Radius of, 306, 317
• Friction of a Pivot Bearing, Mr. E. H. Carbutt on the Report of the Research Committee on the, 252
• Frost and the Engineering and Metal Trades, 35
• Furnace for Flint Glass Works? 265
• Furnaces, American Blast, at Jarrow-on-Tyne, 211
• Furnaces for Marine Boilers, 150
• Furnaces, Marine, An Economical Test for, 35
• Furnaces, Strength of Marine Boiler, 188
• Fuel Economiser, Smoke Preventer and, 395 Fuel, Smokeless, 511

• GALLOWAY Boilers? 429
• Galvanised Steel, 85
• Gas, Cost and Consumption of, 449
• Gas Engine Power, Cheap, 54
• Gas Furnaces, Mr. Bernard Dawson on, 113
• Gas Manufacture, Modern Coal, 367
• Gas Supplies, Exhaustion of Natural, 266
• Gas Supply, 17
• Gas Wells, Salt Water in the, 183
• Gasholder Explosions, The Glasgow, 112
• Gauge, Bristol’s Recording Pressure, 73
• Gauge Gland, The Chanstangla, 351
• Gauging in connection with River Pollution, Mr. S. R. Lowcock on the, 100
• Gearing, Hamilton’s Triple Screw, 65
• Gearing, Helical, 65
• Generating and Cutting the Teeth of Spur Wheels, New Process for, 30
• Geology of the Coalfields of Great Britain, 85
• German Method of Repairing Wet Arches and Abutments, Herr Blum, 144
• Germany, Government Contracts in, 168
• Gilchrist, Mr. Percy C., on the Basic Process as Applied to Copper Smelting, 23
• Giles and Hunt, Messrs., Line Connector and Joint, 145
• Girders in Railway Bridges, Spacing Cross, 192
• Gland, Mr. Johnson’s Chanstangla Interchangeable Gauge, 351
• Glasgow Atheneeum, Electric Lighting Installation at the, 164
• Glasgow Gasholder Explosions, The, 112
• Gliding Railway, 266
• Gold Extraction, Cyanide Process of, 88
• Goods Engine, Lancashire and Yorkshire Railway, Mr. J. A. F. Aspinall (Supplement, February 25th, 1891), 140
• Gould’s Hydraulic Ram ? 303
• Government Contracts in Germany, 168
• Government Engine Building, 78
• Gravitation, The Cause of, 306
• Gravity, On the Dynamics of. 278
• Gray, Mr. J. M., On the Metacentre or Static Stability of Floating Bodies, 437, 474
• Gray, Mr. Macfarlane, 417
• Graydon Dynamite Gun, The, 94, 95, 126
• Great Britain, Geology of the Coalfields of, 85
• Great Eastern Railway, Liquid Fuel Apparatus, 386, 387
• Great Eastern Railway, Single Express Passenger Engine, Mr. Jas. Holden (Supplement, June 12th, 1891), 464, 482
• Great Western Railway, The, 130
• Great Yarmouth, New Fish Wharf Works at, 304
• Greece, Import of Steam Engine Accessories into, 513
• Green, Mr., on the Application of Zinc in Boilers, 180, 204
• Greig, Mr. David, 248
• Grenfell and Accles, Messrs., Machine Gun, Naval Exhibition, 440
• Grinding Mill, Dustless Basic Slag, 315, 316
• Grinding Mill, New Edge Runner, 36
• Grinding Plant, The Ball Mill, for South Africa, 204
• Groombridge, Mr., Tramcar Brake Handle, 354
• Groynes on Shifting Beaches, 251
• Guitton, M. Emille, Theatrical Racecourse, 426
• Gun, The Canet Quick-fire, 468, 473
• Gun, Case against the 110-ton, 168
• Gun, 4*5in. Quick-fire, Naval Exhibition, 343
• Gun, The Graydon Dynamite, 94, 95, 126
• Gun, The Ill-ton, 103
• Gun Mounting, A New, 152
• Gun Mounting, Elswick Pneumatic, Naval Exhibition, 346
• Gun Mountings for H.M.S. “Devastation” and “ Rupert,” 322
• Gun, The Sanspareil, 103, 126, 321
• Gun, The 6in. Quick-firing, 169
• Gun, Toselli’s Submarine, 40
• Guns, Heavy, 65
• Guns, Heavy v. Light, Mr. George Quick, 353
• Guns, Submarine, 381
• Guns of the “25 De Mayo,” 109
• Gunboat for Russia, Stern-wheel Shallow Draught, 480
• Gunboats, Torpedo, for the Argentine Government, Messrs. Laird Bros, and Co., 3
• Gunpowder, Manufacture of, 5

• HADFIELD'S, Messrs., Projectiles at the Naval Exhibition, 439
• Hague, Displacing of Water Main at the, without Stopping the Supply, Mr. T. Stang, 101
• Hair Felt Making Machinery ? 285
• Hammers, Condensing Steam, 85
• Hamilton’s Triple Screw Gearing, 65
• Harbours and Waterways, 170, 276, 453
• Harbours and Waterways, Sir Geo. Nares on, 364
• Harcourt, Mr. G., Bicycle (Fig. 1), 133
• Harland and Wolff, Messrs., Steamer for the White Star Line, 122
• Harper, Mr. J., Scaffold and Hoist, 319
• Harrison, Mr. J. Thornhill, on the Subterranean Water in the Chalk .Formation of the Upper Thames, andc., 189
• Harrow and Stanmore Railway, 132
• Harvey Armour-plates and Carpenter Projectiles, 188
• Harvey, Mr. J. A., Boiler Running, 254
• Haswell, Mr. C. H., Crank and Intermediate Shafts for Marine Engines, 257
• Hathorn, Davey, and Co., Messrs., Compound Pumping Engine at Bradley (Supplement, January 23rd, 1891), 74
• Hauling Engines, Portable, Messrs. J. Wild and Co., 109, 113
• Haupt, Professor Lewis M., 61
• Hawthorn, Leslie, and Co., Messrs., Engines of the s.s. “Sybille,” 145, 148
• “Hazel’s Annual,” 1891, 47
• Heat Transmission in Boilers, 66
• Heating Feed-water, 252, 262, 265, 279, 321
• Heating Surfaces, Efficiency of, 47
• Heavy Guns, 65
• Heavy Guns v. Light, Mr. Geo. Quick on, 353
• Hele Shaw, Professor H. S., The Education of an Engineer, 203, 262
• Helical Gearing, 65
• Heliochromy, 282
• Hematites, Concentrating Brown, 345
• H.M.S. “Philomel” and “Pearl,” 487
• H.M.S. “Sybille,” Launch of, 8
• H.M.S. “Sybille,” Triple-expansion Engines of, 145, 148
• H.M.S. “Thunderer,” 30
• H.M.S. “Victoria,” Sir W. G. Armstrong, Mitchell, and Co., 344
• H.M.S. “ Victory,” 420
• H.M.S. “Victory,” her History and Construction, 333-340
• H.M.S. “Royal Arthur” and “Royal Sovereign,” 139
• Heys, Mr. W. E., McDonald’s Sand Drier, 183
• High-level Tramway, Hong Kong, 65, 86, 87, 98
• Hillebrand, M. C., Engines of 6000-Horse Power for s.s. “Sirio,” “Perseo,” and “Orione,” Messrs. G. Ansaldo and Co. (Supplement, April 3rd, 1891), 266, 277, 280, 281
• Hok, Mr. W., on the Unsinkability of Cargocarrying Vessels, 305
• Holden, Mr. James, Great Eastern Railway Single Express Passenger Engine (Supplement, June 12th, 1891), 464, 482
• Holden’s System of Burning Petroleum, 386, 387
• Hollow Piston Valve, McLaine’s, 364
• Holmes’ Railway Train Lighting Dynamo, 394
• “Holophote ” Cycle Lamp (Fig. 11), 153
• Home Rule for the Navy, 92
• Hong Kong High-level Tramway, Victoria Gap, 65, 86, 87, 98
• “Hope” Flush-closing Sliding Door, The, 404
• Horizontal Corliss Engine, M. H. Bollinckx (Supplement, January 15th, 1891), 48
• Horizontal Drilling and Boring Machine, The Northern Engineering Company, 300
• Horseley’s Rivetter ? 91
• Horsley, Professor V., on Hydrophobia, 181
• Houghton and Son, Messrs. G., Panoramic Camera, M. Moessard (Figs. 1, 2, and 3), 351
• Houghton and Son, Messrs. G., Camera Stand and Ladder, 351
• Hours of Duty on Railways, 71, 84
• Hours of Engine Drivers, The, 229
• How to Become an Engineer, 486, 503, 504
• Hull Dock Strike, 8
• Huntington’s, Professor, Diagram of Tests of Stone’s Bronze, 326
• Hydraulic Lifts, Modern, 70
• Hydrophobia, Professor V. Horsley, 181
• Hygiene and Demography, International Congress of, 363, 396

• IDLE Steamships and Engineering, 35
• Incandescent Lamp Suit, The, 480
• Indian Empire, Population of the, 259
• Indus, Bridge over the, at Sukkur, 8, 28, 32
• Inflammable Liquids Bill, The, 167
• Inland Navigation in 1890, Canals and, 2
• Inspection, Boiler, 146
• INSTITUTE, THE CITY AND GUILDS OF LONDON (Central Institution, Exhibition-road):—
• - Lectures on Photography, by Mr. H. Chapman Jones, 351
• INSTITUTE, THE INVENTOR’S :—
• - The Block System on the City and South London Railway, Mr. C. E. Spagnoletti, 54
• INSTITUTE, THE IRON AND STEEL, 328, 384
• - Annual Meeting of, 374,
• - Certain Pyrometric Measurements, and the Method of Recording them, Professor Roberts-Austen, 384
• - Changes Produced in Iron by Thermal Treatment, Dr. E. J. Ball, 384
• - Economical Puddling and Puddling Cylinder Mr. Turner, 384
• - Final Address of Sir James Kitson, 374
• - List of Papers to be Read, 328
• - Micro Structure of Steel, Note on, by Mr. F. Osmond, 384
• - Presentation of the Bessemer Medal to Lord Armstrong, 374
• - Recent Progress in the Manufacture of War Material in the United States, Mr. W. H. Jaques, 384
• - Tests for Steel used in the Manufacture of Artillery, Mr. William Anderson on, 374, 388
• INSTITUTE, THE LIVERPOOL MARINE ENGINEERS’:—
• - Proposed Museum of Naval Architecture and Marine Engineering, Mr. B. H. Thwaite, 96
• INSTITUTE OF MARINE ENGINEERS:—161, 474
• - Application of Zinc in Boilers, Mr. Green on the, 180, 204
• - Capital and Labour, Mr. F. W. Shorey, 70, 116
• - Efficiency of Air Compressors, Mr. Joseph Williams, 4
• - Improved Water Cooler, Mr. Cooper’s, read by Mr. W. W. Wilson, 240
• - Improvements in Engine-room Practice, Mr. W. W. Wilson, 147
• - Logarithms, Mr. Macfarlane Gray, 417
• - Mean Pressure of Compound Engines, Mr. D. MacMillan, 340, 381
• - Metacentre, or Static Stability of Floating Bodies, Mr. J. M. Gray 437, 474
• Institute of Naval Architects, The, 206
• INSTITUTION, BIRKBECK LITERARY AND SCIENTIFIC, Bream’s-buildings, Chancery-lane:—
• - Lectures for the Winter Term, 7
• INSTITUTION OF CIVIL ENGINEERS, 287, 432, 445
• - Annual Gathering of Manchester Students, 151
• - Annual Report, Papers, Premiums, James Forrest Lectureship, 446
• - Auxiliary Engines, in Connection with the Modern Marine Engine, Mr. W. H. Allen, 4, 54
• - Cost of Generation and Distribution of Electrical Energy, Mr. R. E. B. Crompton, 298
• - Electric Mining Machinery, Messrs. L. B. and C. W. Atkinson, 122
• - List of the Awards made during the Past Session, 492
• - Names of Officers Elected, 26th May, 432
• - Reception and Storage of Refined Petroleum in Bulk, Mr. W. T. H. Carrington, 290
• - Receptions to be Held for the Members of, 4
• Institution of Civil Engineers, Birmingham Students of the, 304
• Institution of Civil Engineers, Newcastle-on-Tyne Association of Students, 204
• INSTITUTION OF CIVIL ENGINEERS, STUDENTS’ ASSOCIATIONS, 140
• - Subterranean Water in the Chalk Formation of the Thames, and its Relation to the Supply of London, Mr. J. T. Harrison, 189
• INSTITUTION OF ENGINEERS, THE CLEVELAND :—
• - Annual Dinner of, 116
• - Manufacture of Basic Open-hearth Steel, Mr. Jas. Davis, 74
• INSTITUTION OF ENGINEERS AND NAVAL ARCHITECTS :—
• - Art in Relation to Shipbuilding, Mr. F. Somer- scales, 73
• INSTITUTION OF ENGINEERS AND NAVAL ARCHITECTS, THE HULL AND DISTRICT, 362, 420
• - Forced Draught on Steamships, Mr. A. E. Seaton, 326, 362
• - “Underpinning,” Mr. R. Pawley on, 147
• INSTITUTION OF ENGINEERS AND SHIPBUILDERS, THE NORTH-EAST COAST:—
• - Electrical Engineering, Mr. W. C. Mountain, 305
• - Merchant Service and the Royal Navy, Discussion Sir N. Barnaby’s Paper on the, 213
• - Unsinkability of Cargo-carrying Vessels, Mr. W. Hok, 305
• INSTITUTION OF MECHANICAL ENGINEERS, 169
• - Annual Dinner of, 349
• - Annual Report of the Council, 113
• - Gas Furnaces, Mr. Bernard Dawson, 114
• - Mechanical Treatment of Moulding Sand, Mr. Walter Bagshawe, 114
• - Meetings of, 38
• - Recent Trials of Rock Drills, Mr. H. Davey on, 252
• - Report of the Research Committee on the Friction of a Pivot Bearing, Mr. E. H. Car¬butt, 252
• INSTITUTION OF NAVAL ARCHITECTS, THE, 259, 302, 432
• - Alteration of Form in Steel Vessels Due to Certain Conditions of Loading, Mr. Phillips, 257
• - Assistant Cylinder Engine for Marine Engines, Mr. D. Joy, 257, 302, 305
• - Boiler Construction Suitable for Withstanding the Strains of Forced Draught so far as it Affects the Leakage of Boiler Tubes, Mr. A. F. Yarrow, 225, 239
• - Boiler Deposits, Professor V. Lewes, 239, 258
• - Certain Phenomena of Compression, M. Marchal, 257
• - Crank and Intermediate Shafts for Marine Engines, Mr. C. H. Haswell, 257
• - Future Policy of Warship Building, Lord Brassey on the, 221
• - Internal Stresses in Steel Plating, Mr. Yates, 257
• - Meetings of the Session, 1891, and Programme of Proceedings, 204
• - Reading of the Annual Report, 221
• - Recent Improvements in Armour - plates for Ships, M. Barba, 247
• - Recent Warship Designs for the American Navy, Mr. Biles on Some, 223, 239
• - Resolution of the Council as to the Gold Medal, 24
• - Some Details in Marine Engineering, Mr. Thos. Mudd, 288, 302
• - Speeches at the Annual Dinner, 223
• INSTITUTION, THE UNITED SERVICE :
• - Heavy Guns v. Light. Mr. Geo. Quick, 353
• Internal Stresses in Steel Plating, Mr. Yates on, 257
• International Congress of Hygiene and Demography, 363, 396
• International Niagara Commission, The, 125
• Invention of the Block System, 5, 27, 47, 66, 85, 126, 127, 146, 164
• Inventor of Forced Draught, The, 104
• “Iona,” Engine Trials of the, 403, 412, 415
• “Iona,” Professor Kennedy’s Report on the Trials of the, 361, 389
• Irish Light Railways, Employment on, 181
• Irish Railways and Engineering, 348
• Iron, Coal, and General Trades of Birmingham, Wolverhampton, and other Districts, 19, 38, 56, 76, 98, 116, 134, 154, 173, 194, 217, 235, 253, 271, 291, 309, 329, 357, 378, 397, 415, 434, 454, 474, 496, 517
• Iron from the Ore to the Casting, Mr. H. Young on, 272
• Iron Furnaces of Malabar and their Produce, Native, 376
• Iron Making in the United States, 163
• Iron Mines in the Shan States, 59
• Iron Ores, Separation of, 164
• Iron Ores, Some Experiments with, 487
• Iron, A Remarkable Run of, 480
• Iron and Steel, Mr. Thos. Andrews on the Passive State of, 88
• Iron and Steel in Australia, Establishment of the Manufacture of, 493
• Iron and Steel Manufacture in Russia, 512
• Iron and Steel Trades in 1890, The French, 8
• Iron and Steel Works in China, 410, 433
• Iron Trade, Spanish Competition in the, 324
• Ironclad Ships, The Origin of, 399
• Ironwork, Painting, 100
• Ironworks’ Engineers and the Tin-plate Trade, 410
• Islington Underground Railway Bill, The, 234, 249
• Italian Ironclads, Engines in, 96
• Italian Warship “Sardegna,” Rudder Frame of the, 241
• Italy, Railway Rates and Speeds in, 147
• Ivatt, Mr. H. A., Experiments with a Steel Crank Axle, 260

• JAPAN, Experiments at Kwannonsaki on Verti¬cal Fire against Deck Armour, 445
• Japan, Trade Marks in, 152
• Japan, Trade with, 487
• Japanese Experiments on the Attack of Ships’ Decks, 449
• Jaques, Mr. W. H., Recent Progress in the Manu-facture of War Material in the United States, 384, 394
• Jarrow-on-Tyne, American Blast Furnaces at, 211
• Jenkins, Mr. H. C., On a Plotting Scale or Slide Rule for Calculating Fluxing Additions, 384
• Jenkins, Philip, 491
• Joel and Co., Messrs. H. F., Electric Lighting of the National Sporting Club, 318
• John, Mr. William, 8
• Johnson, Mr., Chanstangla Gauge Glands, 351
• Joly, Mr, M., His Meldometer, 494
• Joy, Mr. D., An Assistant Cylinder for Marine Engines, 302, 305
• Joy’s Steam Assistant Cylinder, 113
• Jubilee of the Chemical Society, 161
• Jule, Mr. G, U., On Alternate Current Motors, 213

• KELWAY, Mr., His Inventions at the Naval Exhibition, 440
• Kennedy, Professor, His Report on the Trials of the s.s. “Iona,” 361, 389
• Kerr, Mr. John, Portable and Pioneer Railways, 445
• Kite Flying, The Mechanics of, 5
• “Kronprinz von Preussen” (1835), Compound Engines of, 267—270
• Kwannonsaki, Japan, Experiments at, on Vertical Fire against Deck Armour, 445

• LABOUR Commission, The, 303
• Labour in the Engineering and Metal Trades, 230
• Labour Prospects, Mr. Swift on, 172
• Laird Bros, and Co., Messrs., Torpedo Gunboats, “Rosales’’and “Espora,” for the Argentine Government, 3
• Laird Brothers, Messrs., Triple - Expansion Engines, s.s. “Violet,” 296, 297
• Laird Brothers, Messrs., The s.s. “ Violet” Boiler Room, 354
• Lamp, “ Holophote ” Cycle (Fig. 11), 153
• Lancashire and Yorkshire Railway Goods Engine (Supplement, February 20th, 1891), Mr. J. A. F. Aspinall, 140
• Lansdowne Bridge at Sukkur, Sir A. M. Rendel, 28, 32
• Lart, Mr. F. A., A London and North-Western Compound Passenger Locomotive, 54
• Lateral Stability of Bridge Girder Flanges, On the, 419
• Lathe, Cutting a Millimetre Screw on an English, 278
• Lathe Dog, A Novel, 453
• Lathe, Duplex Face, Messrs. Lister and Co., 152
• Lathe, Special Crank Shaft, 277, 284
• Lathes, Shaping Attachment for, 319
• Launch of the “Royal Sovereign” and “Royal Arthur,” 169, 179
• Launches, Spirit, 75
• Launches and Trial Trips, 8, 18, 78, 100, 118, 122, 134, 156, 172, 196, 216, 252, 308, 356, 378, 398, 436, 456, 476, 495, 516
• Laws, Mr. Hubert, On Lowering the Main under Wylam Railway Bridge, 252
• Laws, Mr. W. G., On the Wylam Railway Bridge, 252
• Laying Hydraulic Mains: Action against a Company, 118
• Laying a Submerged Water Main, Mr, E. C. Cooke’s Notes on, 6
• Lead Poisoning in Glasgow, 490
• LEADERS:
• - 1891, 11
• - America and Patent Marking, 130
• - American Blast Furnace at Jarrow-on-Tyne, The, 211
• - American Blast Furnace Practice, 248
• - American Compound Locomotives, 469
• - American Locomotives, 323
• - Australasian Defence, 210
• - Both Sides of the Shield, 304
• - Blast Pipes and Boilers, 72
• - Boiler Registration, 285
• - Brennan Torpedo, The, 303
• - Brighton Sewage System Endangered, The, 130
• - Brine Pumping (Compensation for Subsidence) Bill, 372
• - Caledonian Railway, The, 230
• - Case against the 110-ton Gun, The, 168
• - Cheaper Telegraphy and Manufactures, 392
• - Check to Shipbuilding, A, 93
• - Civil Engineering, 11
• - Close of the Scotch Blast Furnace Strike, The, 211
• - Coal Mining in Australia, 248
• - Coalowners and Colliers in Conference, 53
• - Colliers’ Strike on the Continent, The, 410
• - Colonel Fosbery on the Magazine Arm, 410
• - Committees and Counsel, 188
• - Compensation for Subsidence in the Salt Districts, 150
• - Condition of the Steam Shipping Trade, The, 73
• - Copper Trade and Engineering, The, 512
• - Copper Smelting at Leeds, 410
• - Cost and Consumption of Gas, 449
• - Decadence of the Scotch Cotton Industry, 373
• - Drainage of Towns and Water Supply, The, 52
• - Eccentricities of the Census, 511
• - Economical Test for Marine Furnaces, An, 35
• - Education of an Engineer, The, 489
• - Effects of Working in Compressed Air, 230
• - Eight Hours Movement, The, 151
• - Electrical Engineering, 15
• - Electrical Transmission of Power, 131
• - Engineering Finance, 51
• - Engineers and Railway Rates, 304
• - English All-Steel Armour, 211
• - English and American Locomotives, 34, 409
• - English Implements Abroad, 450
• - Exhaustion of Natural Gas Supplies, 266
• - Explosives, 371
• - Factories and Workshops, 409
• - Fires in London, 130
• - Flachat, Eugene, 373
• - Foreign Government Orders in France, 410
• - Fortification of Colombo, 372
• - Frost, and the Engineering and Metal Trades, The, 35
• - Furnaces for Marine Boilers, 150
• - Future Policy of Warship Building, 265
• - Gas Supply, 17
• - Glasgow Gasholder Explosions, The, 112
• - Gliding Railway, The, 266
• - Government Contracts in Germany, 168
• - Great Western Railway, The, 130
• - Growth of Liverpool Shipping Enterprise, The, 450
• - Harvey Armour - plates and Carpenter jectiles, 188
• - Heating Feed-water, 265
• - Home Rule for the Navy, 92
• - Hours of Duty on Railways, 71
• - Hours of Engine Drivers, The, 229
• - Idle Steamships and Engineering, 35
• - Important Drainage Engineering Proposals, 248
• - Inflammable Liquids Bill, The, 167
• - International Miners’ Conference, The, 285
• - Irish Railways and Engineering, 348
• - Iron and Steel Manufacture in Russia, 512
• - Iron and Steel Works in China, 410
• - Ironworks’ Engineers and the Tin-plate Trade, 410
• - Japanese Experiments on the Attack of Ships Decks, 449
• - Labour Commission, The, 303
• LEADERS {continued}'.—
• - Labour in the Engineering and Metal Trades, 230
• - Lead-poisoning in Glasgow, 490
• - Liabilities of Ocean Mail Contracts, The, 112
• - Lisbon Water Supply Inquiry, The, 91
• - London Electric Supply Corporation, The, 149, 211
• - London and North-Western Railway, The, 188
• - London Main Drainage, 209
• - Machinery Trade with South America, 324
• - Maintenance of Cliff Faces, The, 372
• - Manchester, Sheffield, and Lincolnshire Rail¬way, 373
• - Manchester Ship Canal, The, 112
• - Mechanical Engineering, 13
• - Metropolis Water Supply Bill, The, 129
• - Midland Railway, The, 150
• - Midland Railway Company, The, 168
• - Mine Working in Lincolnshire and Yorkshire, 471
• - Miners in Conference, The, 35
• - M. Barba on Armour-plates for Ships, 247
• - Naval Estimates, The, 167
• - Naval Operations in Chili, 371
• - New Bridge Across the Seine, A, 304
• - New Coal Contracts, The, 450
• - New Era in Cement Testing, A, 391
• - New French Shipbuilding, 512
• - Newton’s Third Law, 430, 449
• - North-Eastern Railway, The, 112
• - Northern Chemical Manufacture, The, 450
• - Ocean Steaming—Remarkable Winter Passages, 53
• - Our Magazine Rifle, 111
• - Periodical Inspection of Collieries by Workmen, The, 470
• - Petroleum Disaster at Newport, The, 391
• - Petroleum Fires, 429
• - Petroleum and the Law, 323
• - Position of Continental Miners, The, 392
• - Price of Coal and its Effect on Industry, The, 286
• - Problems in Steam Engineering, 33
• - Products of Checked Combustion, The, 286
• - Progress under the Alkali Act, 469
• - Progress of Mining Engineering, The, 450
• - Progress of Trade in Spain, The, 130
• - Projected Northern Railway, A, 490
• - Prospects of Trade, The, 93
• - Railway Disaster in Switzerland, The, 489
• - Railway Earnings, 130
• - Railways, Labour and Machinery, 410
• - Railways and the Public, 450
• - Reserves of Warships, 229
• - Restriction of Shipbuilding, 168
• - Revolution in Private Bill Procedure, A, 71
• - Royal Agricultural Society Show and Trials Doncaster, 471
• - Royal Commission on Capital and Labour, The, 168
• - Sailing Ships, 430
• - Sailing Ship Construction, 347
• - Sanitary Engineering, 17
• - Scotch Railway Strike, The, 111
• - Ship Canals, The Uncompleted, 188
• - Sir Richard Moon, 168
• - Smoke and Fog, 187
• - Smokeless Fuel, 511
• - Spanish Competition in the Iron Trade, 324
• - Spezia Turret Mountings for 110-ton Guns, 450
• - Standards of Light, 129
• - Steam on Common Roads, 187
• - Steamship Funnels, 490
• - S.S. “City of Paris,” The, 266
• - Steamships and Engines, 373
• - Steamships and Working Cost, 230
• - Steel-Making Scandal in Germany, The, 490
• - Strength of Marine Boiler Furnaces, The, 188
• - Suez Canal too Small, The, 471
• - Superheated Steam, 92
• - Technical Schools in France, 491
• - Toughening Steel Plates, 348
• - Trade of the Country, The, 211
• - Trades Union Leaders, 210
• - Uncivil War, 149
• - United States Agricultural Engineering Syndi¬cate, The, 52
• - Utopia Disaster, The, 247
• - Wages and Prices in the North of England Finished Iron Trade, 430
• - Wages and Work in Shipbuilding, 304
• - War Material, 16
• - Water Supply, 17
• - Water Supply of Towns, 34
• - Water-Tube Boilers, 347
• - What an Engineer Should Be, 429, 470
• - Work and Wages of Coal-miners, The, 51
• - Working Expenses on Railways, 52
• - Working Miners as Mine Inspectors, 230
• Leaky Tubes, Forced Draught and, 225, 252
• Leeds, Copper Smelting at, 410
• Leads in Crossings ? 129
• LEGAL INTELLIGENCE:—
• - The British Tanning Company v. Groth, 75
• - Gregory v. The London Hydraulic Pressure Company, 118
• - Jablochkoff’s Patent (Electric Light), 328
• - Lange v. Barton, 328
• - Pitt-Rivers, Appellant—Glasse, Respondent, 328
• - Tucker v. Kaye, 328
• Lengths of Cast Iron Columns ? 229
• Lenses, On the Use of Uncorrected, Mr. L. Clark, 298
• “Le Tage,” French Protected Cruiser (Supplement May 15th, 1891), 384
• LETTERS TO THE EDITOR :—
• - Abolition of Piecework in the Engineering Trade, British Manufacturer, 146
• - Adhesive Power of Bolts in Timber, N.D.Y. 38
• - American Blast Furnace Practice, W. Hawdon 262
• - American Transatlantic Liners, Evelvn Williams, 282
• - Atlantic Record, The ; Atlantic, 425
• - Babbage’s Calculating Machine, Henrv P. Babbage, 184
• - Barometric Heights, H. B., 66
• - Barometric Heights, Jorgen Bjornstad, 66
• - Barometric Heights, Mercury, 47
• - Block Fuel Machinery ? V. T., 71
• - Block System, The, T. Daniels, 126
• - Block System, The, Clement E. Stretton, 126
• LETTERS TO THE EDITOR (continued}-.—
• - Boiler Inspection, One Who Knows, 146
• - Brazed Steam Pipes, William Dooley 251
• - Brennan Torpedo and Defence of Our Ports, The, R. N., 345
• - Brick-making Machinery and Kilns ? C. T., 511
• - British and Foreign Warships, G. W. C., 259
• - Button-making Machinery ? J. C. L., 429
• - Cause of Gravitation, The, H., 306
• - Cement Testing, An Engineer, 463
• - Cement Testing, A New Era m, W. G. Mar- getts, 412
• - Cement Testing, A New Era in, Stanger and Blount, 412
• - Cement Testing, A New Era m, Wilfrid Stokts, 412
• - Chilled Railway Wheels? X., 209
• - Compound Locomotives, W. B.,306
• - Compound Marine Engines Sixty Years Ago, Henry N. Harvey, 306
• - Concentrating Brown Hematites, W. J. May, 345
• - Condensing Steam Hammers, H., 85
• - Copper Steam Pipes, Another Coppersmith, 126
• - Covering Pipes ? Paper-makers, 429
• - Crushing Hard Silica, Jas. Lang, 278
• - Crushing very Hard Silica ? L. M. B., 247
• - Curious Diagram, A, Harold E. Bodley, 317
• - Curious Diagram, A, Anthony S. Bower, 406
• - Curious Diagram, A, E. J. M. Davies, 317
• - Curious Diagram, A, Wm. Donaldson, 406
• - Curious Diagram, A, John Phillips, 317
• - Curious Diagram, A, Townsend, 317
• - Curious Diagram, A, X., 306
• - Curious Diagram, A, Y., 378
• - Cutting a Millimetre Screw on an English Lathe, W. C. Unwin, 278
• - Davis and Stokes’ Safety Commutator, The Inventors, 259
• - Density of the Water in Marine Boilers, Robt. Gill, 184
• - Derivation of “Boshes,” R. V. P., 279
• - Drop Table? G. R. O., 323
• - Dynamics of Gravity, S. Tolver Preston, 278
• - Efficiency of Heating Surfaces, The, W. H. Shaw, 47
• - Electric Lighting in the City, The Laing, Wharton, and Down Construction Syndicate, 38
• - Electric and Magnetic Energy, C. H. W. Biggs, 146
• - Electric and Magnetic Energy, A Working Electrician, 134
• - Electrical Puzzle, An, W. Trotter, 495
• - Electrical Treatment of Sewage, F. G. Worth, 5
• - Engine-room Management and Sub-division, J. R. Werner, 27
• - Engine Trials of the “Iona,” The, W. H. Booth, 412
• - Engineering Finance, John Batey, 46
• - Engineering Finance, C. A. Kirk by, 38
• - Engineering Life in the Spanish Mercantile Marine, L. A., 495
• - Engineers, Engine-room Artificers, and Stokers for the Navy, Nemo, 134
• - Engineers, Engine-room Artificers, and Stokers for the Navy, Your Contributor, 206
• - Engineers in the Navy, C. P., 27
• - Engineers in the Navy, One of the “Socially Unfit,” 5
• - English v. American Locomotives, An English Visitor, 126
• - English v. American Locomotives, W. B. Thompson, 126
• - English Blast Furnace Ores, W. J. May, 262
• - Estimates—Costs—Prices, Charles Price, 4
• - Eucalyptus Boiler Fluid ? Incrustation, 371
• - Feed-water Heating, James Atkinson, 252. 279
• - Feed-water Heating, William H. Booth, 262
• - Feed-water Heating, R. J. Cross, 321
• - Feed-water Heating, A Firm Believer in the Feed Heater, 307
• - Feed-water Heating, Marine Inspector, 262
• - Feed-water Heating, R. Sinclair, 307
• - Fenney’s Pipe and Joint-cutting Machine, Geo. F. Livesey, 224
• - Fifty-three Hours’ Movement, The, C. E. Hall, 206
• - Fishing Net Machinery ? F. B. G., 323
• - Flashing Steam Engines? F. R., 229
• - Force and Motion, Henry Barnes, 462
• - Force and Motion, Ben Tene, 451
• - Force and Motion, A Crammer, 462, 494
• - Force and Motion, Maurice F. FitzGerald 412 433, 451, 494, 504
• - Force and Motion, Robert Gill, 462
• - Force and Motion, K., 412
• - Force and Motion, William Muir, 451, 494
• - Force and Motion, W. Munro, 462 504
• - Force and Motion, H. Rolfe, 494
• - Forced Draught, P. F. and Eng. S. Orlando, 352
• - Forced Draught and Leaky Tubes, E. E Duckham, 252
• - Forced Draught and Leaky Tubes, Thomas G Iveson, 252
• - Forging Press, Vickers’, Messrs., Vickers, Sons, and (Jo., Limited, 5
• - Foundry Mixtures, Nescience, 85
• - French Torpedo Boats, John Thom 126
• - Friction of Gearing ? The, V. A. 449
• - Furnace for Flint Glass Works ? J. U., 265
• - Galloway Boilers ? Flue, 429
• - Galvanised Steel, J. K. Smythies 85
• - Geology of the Coalfields of Great Britain, W. J. Potts, 85
• - Gould’s Hydraulic Ram ? W. D. 303
• - Graydon Gun, The, Frank W. Dodd, 126
• - Groynes on Shifting Beaches, A. Do’wson, 251
• - Hair Felt Making Machinery? H. K 285
• - Heat Transmission in Boilers, John G. Hudson 66
• - Heating Baths ? Hot Tank, 111
• - Heavy Guns, Robert A. E. Scott, 65
• - H.M.S. ‘Philomel” and “Pearl,” Robert Mansel, 487
• - Horseley’s Rivetter ? W. B. 91
• - Hours of Duty on Railways, Clement E. Stretton, 84
• - How to Become an Engineer, Thomas M. Bear, 389
• - How to Become an Engineer, A Clergyman, 412
• LETTERS TO THE EDITOR (continued):—
• - How to Become an Engineer, D. B. N., 413,
• - How to Become an Engineer, Dunkling, 486
• - How to Become an Engineer, En Avant, 487
• - How to Become an Engineer, Wm. Gumbley, 389
• - How to Become an Engineer, H., 352
• - How to Become an Engineer, Improvement, 504
• - How to Become an Engineer, J. W. P., 389
• - How to Become an Engineer, Junius Junior, 487
• - How to Become an Engineer, M. R. J., 486
• - How to Become an Engineer, Proved, 487
• - How to Become an Engineer, J. W. Purser, 433
• - How to Become an Engineer, Retfold, 389
• - How to Become an Engineer, Young Loco., 369
• - Institute of Naval Architects, The, Majora Canamus, 206, 259
• - Institute of Naval Architects, The, L., 206
• - Institution of Naval Architects, The, Majora Canamus, 259
• - Invention of the Block System, The, Christopher J. Little, 5, 47, 85, 146
• - Invention of the Block System, Clement E. Stretton, 27, 66, 126
• - Iron and Steel Works in China, W. H. Panton, 433
• - Leads in Crossings ? A Platelayer, 129
• - Lengths of Cast Iron Columns ? An Inquirer, 229
• - Lindsay’s Packing, S. F., 51
• - Liquid Fuel for Small Boilers ? Engineer, 371
• - Liquid Fuel, G. B. Froom, 391
• - Liverpool Engineering Society, Education of an Engineer, E. W. D. W., 224
• - Locomotive Valve Gear, Thomas Hunt, 5
• - Low Temperature Rain, John Robertson, 5
• - Macallan’s Blast Pipe, Taite and Carlton, 425
• - Machinery for Hot Rolling Screens ? A. M., 167
• - Machinery for Making Wood Cone Dowels, andc.? Conical, 129
• - Machines for Very Small Woodwork ? J. B. W., 149
• - Mail Apparatus, Assoc. M. Inst. C.E., 147
• - Main Drainage of London, Matthew Jennings, 282
• - Manufacture of Cement, The, W. Smith, 85
• - Manufacture of Gunpowder, The, Breech- Loader, 5
• - Manufacture of Gunpowder, The, Oscar Gutt- mann, 5
• - Manufacture of Gunpowder, The, Home Industry, 5
• - Manufacture of Salt, Otto Pohl, 494
• - Mechanics of Kite Flying, The, Alf. Walker, 5
• - Mersey Bar, The, P., 307
• - Miner’s Parliament, The, D., 282
• - Navy, The, Thomas Symonds, 184
• - New Battleships, The, G. W. C., 84
• - New Water Softening Process, A, H. T. W., 389
• - Oil Proof Canvas? Mercator, 489
• - Operations in Chili, Hubert Henry, 389
• - Ore Slimes and Rivers, W. J. May, 307
• - Oscillating Engines? Querist, 229
• - Parchment Paper Bearings? G. 0., 303
• - Patent Carriage Brush? J. H. T., 129
• - Petroleum Machinery, Petroleum, 51, 129
• - Phosphor Bronze Rigging? B. C., 323
• - Pipe Joints for High Pressures, Joint, 129
• - Pipe Joints for High Pressures? Water, 111
• - Post Sleepers? H. G., 33
• - Preservation of Copper Main Steam Pipes, Coppersmith, 66
• - Pressure on Masonry Joints, J. L., 321
• - Process Silver Plating, The, G. E. Bonney, 433
• - Process of Silver Plating, The, R. B. P., 407
• - Process of Silver Plating, The, Wicker, 433
• - Professor Kennedy’s Report on the Trials of the s.s. “Iona,” Thomas Mudd, 389
• - Professor Kennedy’s Report on the Trials of the s.s. “Iona,” Superitending Engineer, 389
• - Propulsion of Vessels from a Mechanician’s Point of View, R. Mansel, 4
• - Radius of Friction in Pivot Bearings, Anthony S. Bower, 306, 345
• - Radius of Friction in Pivot Bearings, Charles I. Light, 279, 317
• - Rating of Machinery, The, G. Humphreys Davies, 425
• - Refrigerating Machines, F. Lennard, 307
• - Refrigerating Machines, T. B. Lightfoot, 345
• - Relation between Pressure and Temperature in Steam, The, P. J. T. Estler, 134
• - Relation between Pressure and Temperature in Steam, The, J. H. Pill, 245
• - Repairing a Marine Engine, Barsalloch, 433
• - Rock Asphalte, Brunswick Rock Asphalte Paving Co., 487
• - Roll Turning? J. M., 429
• - Rope-making Machinery ? J. H., 429
• - R.A.S.E. “Prize System,” Thrashing Machine Trials, Frank Garret, 504
• - Royal Sovereign, The, F. R. Oswald, 251
• - Safety Appliances for Mountain Railways ? J. D. L., 469
• - St. Clair Tunnel Locomotive, A Designer, 353
• - Salt Pans? F. B. W., 167
• - Sanspareil Gun, The, G. W. C., 126
• - Screw Piles ? T. R. B., 409
• - Screw Propellers, John Batey, 107, 164, 245, 279, 425, 515
• - Screw Propellers, Jebus Bickle, 259
• - Screw Propellers, C. D., 107
• - Screw Propellers, J. B. Dobbs, 245, 279
• - Screw Propellers, Maurice F. Fitzgerald, 5, 47, 85, 127, 164, 184, 206, 259, 278, 306, 317, 368, 389, 424, 443, 462, 487
• - Screw Propellers, James Hamilton, 164
• - Screw Propellers, Wm. H. Harrison, 184, 368, 487
• - Screw Propellers, Helix, 443
• - Screw Propellers, C. A. M, 259
• - Screw Propellers, H. A. S., 85
• - Screw Propellers, Henry Sporton, 107
• - Screw Propellers, A. Stretcher, 306
• - Screw Propellers, Superintending Engineer, 47, 76, 107, 462
• - Screw Propellers, Tin Tack, 76, 107, 146, 184, 259
• - Screw Propellers, R. de Villamil, 259, 306, 352, 368, 407, 443, 462, 487
• - Screw Propellers, Alexander Vogelsang, 184
• LETTERS TO THE EDITOR (continued)-.—
• - Screw Propellers, H. C. Vogt, 106, 245, 407
• - Secor System of Propulsion by Petroleum Explosion ? The East London Railway, 209
• - Separation of Iron Ores, The, W. J. May, 164
• - Sewage and Harbour Works ? M. I. C. E., 449
• - Shipbuilding Price Books? Trunnion, 323
• - Shop Orders, D. J. Murray, 368
• - Single v. Coupled Locomotives, H. W. Armstrong, 443
• - Single v. Coupled Locomotives, Geo. F. Bird. 433
• - Single v. Coupled Locomotives, C. P., 443
• - Single and Coupled Locomotives, J. D. T., 495
• - Single and Coupled Locomotives, Twirler, 516
• - Smelting Antimonial Copper ? Algerian, 303
• - Smoke and Fog, David H. Noah, 206
• - Softening Water in Large Quantities ? Paulatim, 489
• - Some Experiments with Iron Ores, W. J. May, 487
• - Spiral Springs? R. S., 91
• - Staffordshire Bricks, Joseph Hamblet, jun., 345
• - Stamped Steel Axle-boxes, Adams and Co.. 252. 345
• - Stamped Steel Axle-boxes, Llewellyn B. Atkinson, 224
• - Stamped Steel Axle-boxes, B., 252
• - Stamped Steel Axle-boxes, Cast Iron Box, 262
• - Stamped Steel Axle-boxes, Goods Yard, 262
• - Stamped Steel Axle-boxes, Malleable Cast Iron Box, 282, 321, 389
• - Steam on Canals? Sigma, 129
• - Steam Pipes, Wm. Dooley, 353
• - Steam Pipes, R. R. Qubbins, 262
• - Steam Pipes, J. V., 282
• - Steam Pipes, W. L. Vining, 369
• - Steam Trials of the “Iona,” C. L. Eclair-Heath, 486
• - Steam Trials of the “Iona,” Thomas Mudd, 515
• - Steel v. Iron Axles, Anti-Retrogade, 85
• - Steel v. Iron Axles, Whitehall Club, 47
• - Steel Wire Rope? Rope, 285
• - Stills? J. H. E., 247
• - Stokes’ Portland Cement Plant, W. B., 146
• - Stokes’ Portland Cement Plant, Bertram Blount, 76, 126, 164
• - Stokes’ Portland Cement Plant, Portland, 126 Stokes’ Portland Cement Plant, Wilfrid Stokes, 85, 126, 146
• - Stop Valves, Between Two Stools, 252
• - Stop Valves, John Perks, 262
• - Stop Valves, Relief, 279
• - Stop Valves, C. C. W., 262
• - Stresses in Crane Posts, Anthony S. Bower, 127
• - Stresses in Crane Posts, Yorks Collian, 127
• - Stresses in Crane Posts, Crane Post, 85
• - Stresses in Crane Posts, F. Garside, 127
• - Stresses in a Fly-wheel Arm, Geo. Halliday, 516
• - Stresses in Fly-wheel Arms, Young Boss, 308
• - Stresses in Fly-wheel Arms, Edw. I. M. Davies, 345
• - Taxation of Machinery, The, G. Humphreys Davies, 146
• - Tests for Steel, R. M. Deeley, 412
• - Tidal Powers? J. K. G., 187
• - Tire Stresses, Anthony S. Bower, 353
• - Tire Stresses, Geo. Halliday, 307, 378
• - Tire Stresses, L. S., 353, 389
• - Traction Engines ? G. E. M., 209
• - Trade with Japan, John Birch and Co., 487
• - Transmission of Power? The, J. R., 429
• - Triple Screw Gearing, J. B. H., 85
• - Triple Screw Ships, James Hamilton, 65
• - Triple Seed Kettles? J. W. H., 265
• - Tube-frame Cars, A Railway Shareholder, 451
• - Tube-frame Cars, X., 451
• - Tubular Frame Wagons, Mr. R. Jefferds, 425, 463
• - Tubular Framed Wagons, An Unconverted Englishman, 516
• - Values of y and J, Anthony S. Bower, 259, 307, 433, 461
• - Values of y and J, The, Wm. Donaldson, 245, 278, 321, 353, 368, 433, 461
• - Water-softening Process, A New, L. Archbutt, 412
• - Water-softening Process, A New, The Writer of the Report, 412
• - Water-tube Boilers, W. Gordon, 46
• - Water-tube Boilers, Penney and Co., 378
• - Water-tube Boilers, John Watt, 378
• - Wood and Metal Paving, Ernest Hill, 146
• - Worthington Engine, The, Arthur Rigg, 206
• - Wrought Iron Pulleys? Duet, 511
• Lewes, Prof., on Boiler Deposits, 239, 258
• Liabilities of Ocean Mail Contracts, 112
• Lifeboat Trials, Competitive, 416
• Lifts, Modern Hydraulic, 70
• Light from Burning Sodium, The, 515
• Light, Standards of, 129
• Lightfoot’s Patent Dry-Air Refrigerator, 395
• Linde British Refrigeration Company’s Ice Works, Visit of the Society of Engineers to the, 495
• Linde British Refrigeration Company, Lightfoot’s Patent Dry-Air Refrigerator, 395
• Line Connector and Joint, Messrs. Giles and Hunt, 145
• Lindsay’s Packing ? 51
• Lippmann, Prof., Coloured Spectra, 298
• Lippmann, Prof., and Heliochromy, 282
• Lippman, Prof., Photography in Natural Colours, 472
• Liquid Fuel Apparatus, Great Eastern Railway, 386, 387, 390
• Liquid Fuel, Compound Locomotive Burning, Messrs. Beyer, Peacock, and Co., 390
• Liquid Fuel for Small Boilers ? 371, 391
• Lisbon Water Supply Inquiry, The, 91
• Lister and Co., Messrs., Duplex Face Lathe, 152
• LITERATURE :—
• - l’AnnSe Electrique. By Ph. Delahaye, 374
• - Annual Report of the City Engineer of the City of Providence for the Year 1890, 491
• - Asbestos: its Properties, Occurrence, and Uses. By Robert H. Jones, 189
• - Babbage’s Calculating Engines: being a Collection of Papers relating to them, their History, and Construction, 131
• - Blackie’s Modern Cyclopsedia of Universal Information. Edited by Charles Annandale. Vols. vii. and viii., 93
• - Chemistry of Iron and Steel-making. By W. Mathieu Williams, 188
• LITERATURE (continued):—
• - Civil Engineer’s Pocket-book. By John C. Traut- wine, 189
• - Civil and Mechanical Engineering Popularly and Socially Considered. By J. W. C. Haldane, 131
• - Coal and What we Get from it: a Romance of Applied Science. By Raphael Mendola, 471
• - Colonial Year-book for the Year 1891. By A. J. R. Trendell, 411
• - Decorative Electricity. By Mrs. J. E. H. Gordon, 512
• - Deutscher Schlosser und Schmiede Kalendar, 1891. By U. R. Maerz, 35
• - Dictionary of Metric and Other Useful Measures. By Latimer Clarke, 230
• - Electric Light Installations and the Management of Accumulators. By Sir David Salomons, Bart., 374
• - Electric Transmission of Energy and its Transformation, Subdivision, and Distribution. By Gisbert Kapp, 211
• - Elements of Machine Design, The; Part I, General Principles, Fastenings, and Transmissive Machinery. By W. Cawthorne Unwin, 151
• - Electricity, The Science of the Nineteenth Century. By E. M. Caillard, 411
• - Electro-plater’s Handbook, The. By G. E. Bonney, 374
• - First Principles of Electrical Engineering. Being an Attempt to Provide an Elementary Book for those who are intending to enter the Profession of Electrical Engineering. By C. H. W. Biggs, 73
• - Handbook for Mechanical Engineers. By Henry Adams, 151
• - History and Development of Steam Locomotion on Common Roads, The. By William Fletcher, 349
• - Hydraulic Gold Miners’ Manual, The. By T. B. G. Kirkpatrick, 131
• - Irrigation Development, Irrigation in California. By W. H. Hall, 512
• - Kalendar fiir Maschinen Ingenieure, 1891. By W. H. Uhland. (580 Illustrations), 35
• - Law Relating to Apprentices, The. By Evans Austin, 231
• - Lessons in Applied Mechanics. By James H. Cotterill and J. H. Slade, 373
• - Life of John Ericsson. By William Conaut Church, 392
• - Manual of Assaying. By Walter Lee Brown, with Additions by A. B. Griffiths, 93
• - Maximilian Schumann: sa Vie et ses Euvres. Par Schroder. Traduction de Capitaine Commandant Bodenhurst, 93
• - Memoir and Letters of Sidney Gilchrist Thomas, Inventor, 471
• - Metallurgy of Silver, Gold, and Mercury in the United States. By Thos. Egleston. Vol. ii., 266
• - Metallurgy of Steel, The. By H. M. Plowe, 411
• - Mining and Ore Dressing Machinery. Bv G. C. Waterford Lock, 131
• - Pioneers of Electricity; or Short Lives of the Great Electricians. By J. Munro, 169
• - Practical Mining: a Field Manual for Mining Engineers, with Hints to Investors in Mining Properties. By John G. Murphy, 151
• - Railway Accounts and Finances. By J. A. Fisher, 491
• - Soap Bubbles, and the Forces which Mould them. By C. V. Boys, 189
• - Tables of Areas of Right-angled Triangles of Slopes of from Quarter to One to Four to One. By John McGee, 231
• - Technological Dictionary (English, German, French) of the Terms Employed in the Arts and Sciences, Architecture, Civil Engineering, Mechanics, Shipbuilding, &c. Edited by E. von Hoyer, 512
• - A Text-book on Assaying. By C. Beringer and J. J. Beringer, 151
• - Trade Unionism, New and Old. By George Howell, 491
• - Valve Gears. By H. W. Spangler, 513
• Litigation over Patents, 359
• Little Common Sewerage, andc., 191
• Littoral Movement of Drift, 61
• Liverpool Engineering Society, The Education of an Engineer, 224
• Liverpool Shipping Enterprise, The Growth of, 450
• Lloyd’s Register Shipbuilding Returns for the Quarter ending December 31st, 1890, 97
• Locomotive Coal-discharging Elevator, 502
• Locomotive, Compound, Burning Liquid Fuel, Argentine Great Western Railway, 390
• Locomotive, Express Passenger, Great Eastern Railway, Single Express Passenger (Supplement, June 12th, 1891), 464, 482
• Locomotive, Express Passenger, Great Northern of Scotland Railway, 6
• Locomotive, The First Compound, 426
• Locomotive, A London and North-Western Compound Passenger, Mr. F. A. Lart, 54
• Locomotive Practice, American, 160
• Locomotive, St. Clair Tunnel, 353
• Locomotive, Six-wheel Coupled, the Mediterranean Railway, Messrs. G. Ansaldo and Co., 205
• Locomotive Steam Crane, 15-ton, 424, 427
• Locomotive Valve Gear, 5
• Locomotives, American, 323
• Locomotives, American Compound, 469
• Locomotives, Compound, 96, 306
• Locomotives, English and American, 34, 126, 409
• Locomotives, English v. American, 126
• Locomotives, The St. Clair Tunnel, 319, 421, 424
• Locomotives, Single v. Coupled, 433, 443, 495
• Locomotives, Single and Coupled, 516
• Logarithms, Mr. Macfarlane Gray, 417
• London, Electric Lighting in, 43, 44, 45, 49, 68, 69
• London Electric Supply Corporation, 149, 211
• London, Fires in, 130
• London Main Drainage, 209, 282
• London and North-Western Railway, The, 188
• London and North-Western Railway Company’s s.s. “Violet,” 354
• London and North-Western Railway Company’s Triple-expansion Engines, s.s. “Violet,” 296, 297
• London and South Western Railway Bill, 37
• London Water Supply, Mr. J. T. Harrison on the, 189
• Low Temperature Rain, 5
• Lowcock, Mr. S. R., Gauging in Connection with River Pollution, 100
• Luces and Sons, Messrs., The Helophote Cycle Lamp (Fig. 11), 153

• MACALLAN’S Blast Pipe, 425
• McDonald’s Sand Drier, 183
• McDougall’s Anti-Primer, 300
• Machine Design, Lectures on, at the People’s Palace. 59
• Machine Stoking, Mr. J. F. Spencer, 97
• Machinery for Hot Rolling Screens? 167
• Machinery for Making Wood Cones. Dowels, andc.. 129
• Machinery, Railway Labour and, 410
• Machinery, Rating of, 122, 425
• Machinery Taxation of, 146
• Machinery Trade with South America, 324
• Machinery for verv Small Woodwork? 149
• McKinley Tariff, The, 287
• McLaine’s Hollow Piston Valve, 364
• McLaren, Mr. H., on the Education of Engineers, 180
• MacMillan, Mr. D., Mean Pressure of Compound Engines, 340
• Madras Waterworks, The, 172
• Magaz ne Arm, Colonel Fosbery on the, 410
• Magazine Arm Question, The, 23
• Magazine Rifle, The New, 104, 105
• Megazine Rifle, Our, 111
• Maginnis, Mr. A. J., on a New Electric Automatic Bridge Indicator for Steamships, 131
• Magnesium Flash Lamp, Messrs. Watson and Sons (Fig. 5), 351
• Mahratta Railway, Southern, Rolling Stock (Supplement, March 20th, 1891), 232
• Mail Apparatus, 147
• Main Drainage of London, 282
• Malabar, Native Iron Furnaces of, 376
• Manchester, Sheffield, and Lincolnshire Railway, 373
• Manchester Ship Canal, The, 112, 177, 203, 502
• Manchester Ship Canal, Stoney’s Sluices on the River Weaver, 25
• Mannesmann Tubes, Important Application of, 432
• Mansel, Robert, on the Determination of the Coefficients of the Relation between the Power and Speed in the Propulsion of Steam Vessels, 275
• Mansel, Mr. Robert, Examples of the Analysis of Power Expenditure in Steamship Performance, 479
• Mansergh, Mr. W. L., on Wells and Well Sinking, 174
• Manson, Mr. Jas., Express Passenger Engine, Great North of Scotland Railway, 6
• Maps of Licensed District of, and Mains Laid by, the Metropolitan Electric Supply Company, 44, 45
• Marine Boiler, Flanged Shell, 289
• Marine Boiler Furnaces, Strength of, 188
• Marine Boilers, Furnaces for, 150
• Marine Engine Trials, 361, 362
• Marine Engine Trials, Mr. A. G. Ashcroft on, 131
• Marine Engineering and Naval Architecture at Sibley College, U.S., 95
• Marine Engineering, Some Details in, Mr. Thos. Mudd, 288
• Marine Engines, 121
• Marine Engines, an Assistant Cylinder for, 257, 302, 305
• Marine Engines, Compound, Sixty Years Ago, 61, 267, 270, 306
• Marine Furnaces, An Economical Test for, 35
• Marion and Co.’s, Messrs., Dickinson’s Radial Camera, 170
• Marley, Mr. John, 287
• Masonry Joints, Pressure on, 321
• Mason’s Pivotted Side Lights, 170
• Maxim-Nordenfelt Company’s Exhibits at the Naval Exhibition, 424
• Maxim Stud Tire (Figs. 15, 16, 17), 153
• Mean Pressure of Compound Engines, Mr. D. MacMillan, 340
• Measurer of Heights, On the Choice and Use of the Aneroid as a, 199
• Mechanical Engineering, 13
• Mechanical Treatment of Moulding Sand, 114
• Mechanician’s Point of View, Propulsion of Vessels from a, 4
• Mechanics of Kite Flying, The, 5
• Mediterranean Railway Company, Six-wheel Coupled Locomotive for the, 205
• Meldometer, Mr. M. Joly’s, 494
• Melted Cast Iron Receiver, Stewart’s, 192
• Mercantile Marine, Engineers and Firemen in the, 121
• Merchant Service and the Royal Navy, Sir N. Barnaby on the, 213
• Mersey Bar, The, 307
• Metacentre, or Static Stability of Floating Bodies, Mr. J. M. Gray, 437, 474
• Metal Trades, Frost and the Engineering and, 35
• Meter, The Frager Electricity, 431
• Meter, The Teague Electricity, 493
• Metropolitan Electric Supply Company, Limited, 43, 44, 45, 49, 68, 69, 70
• Michele’s Cement-Testing Machine, 493
• Middleton, Mr. Thomas, 169
• Midland Railway, The, 150
• Midland Railway Company, The, 168
• Midland Railway Company’s Works, Derby, New Process of Softening Locomotive Feed-Water, 389
• Mildura, Agricultural College at, 413
• Military Ballooning, Progress in, 460
• Mill, The Bombay Sun Cotton Mill, 208, 213, 243, 249, 257, 261, 264
• Mill, Dustless Basic Slag Grinding, 315, 316
• Mill, Edge Runner Grinding, 36
• Millimetre Screw on an English Lathe, Cutting an, 278
• Minchin, Professor, “A Review of Photo-Electricity,” 298
• Mine Inspectors, Working Miners as, 230
• Mine Working in Lincolnshire and Yorkshire, 471
• Mineral Resources of Canada, 1
• Miners, Coal, Work, and Wages of, 51
• Miners in Conference, The, 35
• Miners’ Parliament, 282
• Miners, The Position of Continental, 392
• Mining Accidents and Periods, 492
• Mining Engineering, The Progress of, 450
• Miscellanea, 9, 31, 50, 67, 89, 110, 123, 143, 165, 185, 207, 233, 241, 263, 283, 298, 320, 341, 365, 385, 414, 428, 447, 467, 483, 509
• Modern Hydraulic Lifts, 70
• Moenchenstein Accident. The, 503
• Moessard, M., Panoramic Camera (Figs. 1, 2, and 3), 351
• Mbeffei. Hodgkins, and Clarke, Messrs., Laying a Submerged Water Main, 6
• Mond, Mr. Ludwig, his Exhibits at the Royal Society’s Conversazione, 494
• Moon, Sir Richard, 168
• Moore, Mr. Robert, Anchor Bolt Tests, 387
• Moselboots I. and IL, Enginesand Boiler of, 62, 63, 64
• Moulding Sand, Mechanical Treatment of, Mr. W. Bagsbawe on the, 114
• Mountain, Mr. W. C., Electrical Engineering, 305
• Mounting, Elswick Pneumatic Gun, 346
• Mountings for New Armaments of H.M.S. “Thunderer,” “Devastation,” and “Rupert,” 325
• Mudd, Mr. Thomas, Some Details in Marine Engineering, 288
• Mudd’s Piston* and Rings, 290, 302
• Museum of Naval Architecture and Marine Engineering, Proposed, 96
• Mushet, Mr. Robert Forester, 106
• Musgrave, Mr. Joseph, 53
• Musgrave and Sons, Messrs. John, Compiund Corliss Mill Engine, 208, 213, 243, 249, 257
• Musgrave and Sons, Messrs. John, the Sun Cotton Mill, Bombay, 208, 213, 243, 249, 257, 261, 264

• NARES, Sir George, Inquiry Relative to Harbours and Waterways, 364
• National Main Drainage, Dr. B. W. Richardson, 364
• National Sporting Club, Electric Lighting of The, 318
• Naval Constructors, The Corps of, 481
• Naval Engineer Appointments, 30, 58, 151, 181, 228, 245, 282, 311, 353, 375, 416, 437, 453, 494
• Naval Estimates, 167
• Naval Guns and Ordnance Stores, 36
• Naval Operations in Chili, 371, 389
• Navigation of the River Dee, 55
• Navy, The, 184
• Navy, Engineers in the, 5, 27
• Navy, Engineers, Engine Rcom Artificers, and Stokers for the, 134, 206
• Navy, Home Rule for the, 92
• Neunkirchen Dustless Basic Slag Grinding Mill, 315, 316
• New Companies, 21, 41, 59, 79, 101, 119, 137, 157, 175, 197, 219, 237, 255, 273, 293, 311, 331, 359, 381, 399, 417, 437, 457, 477, 499, 519
• New Groombridge, Sussex, 55
• New South Wales, Water Cmservation in, 88
• New York Air Brake Co., Duplex Brake Pump, 426
• Newton’s Third Law, 430, 433, 449
• Niagara Commission, The International, 125
• Nicaragua Canal, The, 459
• Nicaragua Canal Project, The, 97
• Nickel Pendulum, Mr. S. Bidwell’s, 494
• Nile Paddle Steamer, Triple Expansion Engines, 125, 128
• Normand, M. August, French Torpedo Boats, 81, 82, 83
• North British Rubber Company, Cycle Tires, (Figs. 12, 13, 14), 153
• North Eastern Railway, The, 112
• The North of England, 20, 39, 58, 77, 99, 118, 136, 155, 173. 195, 217, 235, 253, 271, 291, 310, 330, 357, 379, 397, 415, 435, 455, 475, 497, 517
• North-Western State Railway of India, Sukkur Bridge, 8
• Northern Chemical Manufacture, The, 450
• Northern Engineering Co., The, Horizontal Drilling, and Boring Machine, 300
• Norway and Sweden, Timber Trade of, 101
• Norwood Junction, The Accident at, 484
• Norwood Junction, Bridge Failure, 377
• Notes from Germany, 20, 40, 58, 78, 100, 118, 136, 156, 174, 196, 218, 236. 254, 272, 292, 310, 330, 358, 380, 398, 416, 436, 456, 476, 498, 518
• Notes and Memoranda, 9, 31, 50, 67, 89, 110, 123, 143, 165, 185, 207, 233, 241, 263, 283, 298, 320, 341, 365, 385, 414, 428, 447, 467, 483, 509
• Notes from Scotland, 20, 40, 58, 78, 99, 117, 136, 156, 174, 196, 218, 236, 254, 272, 292, 310, 330, 358, 380, 398, 416, 435, 455, 475, 498, 518
• Notes from Lancashire, 19, 38, 57, 98, 117, 135, 154, 173, 194, 217, 235, 253, 271, 291, 309, 329, 357, 379, 397, 415, 434, 454, 474, 496, 517
• Notices to Correspondents, 11, 33, 51, 71, 91, 111, 129, 149, 167, 187, 209, 229, 247, 265, 285, 303, 323, 347, 371, 391, 409, 429, 449, 469, 489, 511
• Nott, Major J. F., On Photography and Illustrated Journalism, 298
• Nottingham Machinists’ Co., Cycle Fittings (Figs.9, 10), 153
• Nuneaton, Sewage Purification at, 499

• OBERHOLTZER, Francesco, 354
• OBITUARY :—
• - Allen, Mr. Alexander, 471
• - Arnold, Mr. J., 380
• - Bazalgette, Sir Joseph W., 231, 354
• - Bryce-Douglas, Mr. Archibald, 287
• - Clayton, Mr. Nathaniel, 18
• - Crompton, Dr. Samuel, 430
• - Dixon, Mr. John, 106
• - Greig, Mr. David, 248
• - Jenkins, Prof. Philip, 491
• - John, Mr. William, 8
• - Morley, Mr. John, 287
• - Otto, Dr. N. A., 109
• - Middleton, Mr. Thomas, 169
• - Musgrave, Mr. Joseph, 53
• - Mushet, Mr. Robt. Forester, 106
• - Oberholtzer, Francesco, 354
• - Perkins, Mr. Loftus, 349
• - Walker, Mr. Benjamin, 298
• Ocean Mail Contracts, Liabilities of, 112
• Ocean Steaming—Remarkable Winter Passages, 53
• Ochta, Trial of Armour Plates at, 29
• Oil Gas, Mr. Abbott, 184
• Oil-proof Canvas ? 489
• Ordnance, Ancient, Naval Exhibition, 351
• Ore Slimes and Rivers, 307
• Ores, English Blast Furnace, 262
• Oscillating Engines ? 229
• Oscillating Hot Ingot Saw, Messrs. Thwaites Bros., 7
• Oscillating Hot Saw, Messrs. Thwaitss Bros., 7
• Osmond, Mr. F., Note on the Micro Structure of Steel, 384
• Otto, Dr. N. A., 109
• Our Magazine Rifle, 111
• Overhead Wires in London, 142
• Oxford Corporation Waterworks, Compound Worthington Pumping Engine, 166, 169, 186, 190, 214, 244,

• PACKING Salt Prize Competition, 474
• Painting Ironwork, 100
• Panama Canal, Completion of the, 327
• Parchment Paper Bearings ? 303
• Paris, Electric Light Machinery in, 189
• Paris, Sewerage of, 162, 163
• Paris Ship Canal, The, 249
• Parkhead Rolling Mills, Rolling Mill Engines for, 363, 370
• Passive State of Iron and Steel, The, 88
• Patent Fees, The American, 324
• Patent Marking, America and, 130
• Patent Suit, Edison Incandescent Lamp, 480
• Patents, Litigation over, 359
• Paving of Large Cities, Mr. Wolheim on the, 163.
• Paving, Wood and Metal, 146
• Pawley, Mr. R., “On Underpinning,” 147
• Peirce, Mr., “On Westinghouse and Vacuum Brakes,” 454
• Pelton Wheel, The, 170
• People’s Palace, Mile End Road, Lectures at, 59
• Perkins, Mr. Loftus, 349
• Perry, Prof. John. His Indicator for Engines and Method for Destroying Electric Sparking, 494
• Petroleum in Bulk, Reception and Storage of Refined, 290
• Petroleum Fires, 429
• Petroleum, Holden’s System of Burning, 386, 387
• Petroleum and the Law, 323
• Petroleum Machinery ? 51
• Petroleum Machinery, 129
• Phillips, Mr. J., Bristol’s Recording Pressure Gauge, 73
• Phillips, Check Chamber, 387
• “Philomel” and “ Pearl,” H.M.S., 487
• Phosphor Bronzo Rigging ? 323
• Photo Blocks for Newspaper Work, Mr. H. Sutton on, 298
• Photo Electricity, Review of, by Prof. Minchin, 298
• Photographic Prints in Carbon, New Process for Obtaining, 76
• Photographic Society of Great Britain, 237
• Photography, Astronomical, 515
• Photography and Illustrated Journalism, Major J. F. Nott, 298
• Photography, Lectures by Mr. H. C. Jones on, 351
• Photography in Natural Colours, 432, 472
• Pianoforte Frames, Tests of Mild Steel used in, 56
• Piecework, Abolition of, in the Engineering Trade, 146
• Pig Iron in America, Production of, 136
• Pile Driver, Triple-row Steam, 363
• Pipe and Joint-cutting Machine, Fenney’s, 224
• Pipe Joint, Improved, 367
• Pipe Joints for High Pressure, 111, 129
• Pipes, Brazed Steam, 251
• Pipes, Steam, 262, 282, 315, 353, 369
• Piston Valve, McLane’s Hollow, 364
• Pistons and Rings, Mudd’s, 290, 362
• Pittsburgh Reduction Company and the Price of Aluminium, The, 257
• Pivot Bearings, Radius of Friction in, 279, 306, 317
• Pivotted Side-lights, Mason’s, 170
• Planing Machine, Special Armour-plate, Messrs. Sharp, Stewart and Co., 124, 125
• Plates, Armour, Backs of, Dismounted after Competition at Ochta, St.' Petersburg, 29
• Plates Dismounted after Competitive Trial at Ochta, St. Petersburg, 29
• Pneumatic Gun Mounting, Elswick, Naval Exhibition, 346
• Population of the Indian Empire, 259
• Population of the World, 1890, 273
• Portland Cement Drying and Burning Apparatus, Stokes’ Continuous, 53
• Portland Cement-making Apparatus, Continuous, 53
• Portland Cement Plant, Stokes’, 76, 85, 126, 146, 164
• Post Sleepers ? 33
• Preservation of Copper Main Steam Pipes, 66
• Pressure on Masonry Joints, 321
• Pressure and Temperature in Steam, Relation between, 134, 245
• Pressures in Compound Engines, 340, 381
• Price of Coal and its Effect on Industry, The, 286
• Priestman Bros., Messrs., Locomotive Coal Discharging Elevator, 502
• Private Bill Legislation, 137, 213
• Private Bill Procedure, 35, 71
• Private Bill Procedure, A Revolution in, 71
• Private Bills in Parliament, 5, 114, 171
• Problems in Steam Engineering, 33
• Proctor Steel Tower at the Chicago World’s Exposition, 356
• Products of Checked Combustion, The, 286
• Progress of Trade in Spain, 130
• Projector, The Graydon and Dynamite, 94, 95
• Propellers, Screw, 5, 28, 47, 76, 85, 106, 107, 127, 146, 164, 184, 206, 245, 259, 279, 306, 317, 368 407, 424, 425, 443, 462, 487, 515
• Propulsion of Steam Vessels, Robt. Mansel on the Determination of the Co-efficients of the Relation between the Power of Speed in the. 275
• Propulsion of Vessels from a Mechanician’s Point of View, 4
• Prospective Bill Legislation, 87
• Prospects of Trade, 93
• Puddling and Puddling Cinder, Economical, Mr. Turner on, 384
• Pump Engines, Centrifugal, H.M.S. “Revenge and “Resolution,” 383
• Pumping Engine, Compound, at Bradley, Messrs. Hathorn, Davey and Co. (Supplement, January 23rd, 1891), 74
• Pumping Engine, Compound Worthington, Oxford Corporation Waterworks, 186, 190, 214, 244
• Pumping Engine, Worthington, Messrs. Jas. Simpson, 166, 169
• Pumping Engines, Compound Duplex, 461
• Pumping Station, Agra Waterworks, 55
• Pyrometric Measurements and the Method of Recording them, Professor Roberts-Austen, 384

• QUADRUPLE Effect Evaporator, The Chapman, 277, 278
• Quick-fire Gun, The Canet, 468, 473
• Quick-fire Gun, 4'5in., Naval Exhibition, 343

• RACECOURSE, A Theatrical, 426
• Radial Camera, Dickinson’s, 170
• Radius of Friction in Pivot Bearings, 279, 306, 317
• Rail Making in the United States, 144
• Railway Bill, The Central London, 180, 213
• Railway Bill, The Islington Underground, 234 249
• Railway, The London and North-Western, 188
• Railway Bill, London and South-Western, 37
• Railway, Tbe Caledonian, 230
• Railway, The City and South London, 182, 183
• Railway Company, The Midland, 150, 168
• Railway Disaster in Switzerland, Tne, 489
• Railway Earnings, 130
• Railway Gliding, 266
• Railway, The Great Western, 130
• Railway, Harrow and Stanmore, 132
• Railway, Labour and Machinery, 410
• Railway, Manchester, Sheffield, and Lincolnshire, 373
• Railway Matters, 9, 31, 50, 67, 89, 110, 123, 143, 165, 185, 207, 233, 241, 263, 283, 298, 320, 341, 365, 385, 414, 428, 447, 467, 483, 509
• Railway, The North Eastern, 112
• Railways, Portable and Pioneer, Mr. John Kerr on, 445
• Railway, A Projected Northern, 490
• Railway Rates, Engineers and, 304
• Railway Rates and Speeds in Italy, 147
• Railway Strike in Scotland, 96, 111
• Railways, Employment on Irish Light, 181
• Railways and Engineering, Irish, 348
• Railways, Experiments on the Resistance of Trains on, M. Desdotiits, 119
• Railways, Hours of Duty on, 71, 84
• Railways and the Public, The, 450
• Railways, Working Expenses on, 52
• Rain, Low Temperature, 5
• Raising of the Ulunda, 250
• “Randalite” Waterproof Building Boards, 232
• Range Finder, Fiske’s, 362
• Ransome and Rapier, Messrs., Stoney’s Sluices on the River Weaver, Manchester Ship Canal, 25
• Rating of Machinery, 122, 425,
• Rawtenstall, Borough of, 465
• Receiver, Stewart’s Melted Cast Iron, 192
• Recording Pressure Gauge, Bristol’s, 73
• Refrigerating Machines, 307, 345
• Refrigerator, Lightfoot’s Patent Dry Air, 395
• Relation between Pressure and Temperature in Steam 134, 245
• Rendel, Sir A. M., The Lansdowne Bridge at Sukkur, 28, 32
• Repairing a Marine Engine, 433
• Reserves of Warships, 229
• Reservoir, An Ancient, 417
• Revolution in Private Bill Procedure, 71
• Revolving Cylinder Engines, 61
• Ribble Navigation Committee, The, 121
• Richardson, Dr. B. W., National Main Drainage, 364
• Rifle, The New Magazine, 104, 105
• Rifle, Our Magazine, 111
• Rigg, Mr. A., Balancing of High Speed Steam Engines, 191
• River Wear, The, 213
• Rivers, Ore Slimes and, 307
• Road Roller, Messrs. Wallis and Steevens, 507
• Robbins’ Patent Axle-box, 481
• Roberts-Austen, Professor, Certain Pyrometric Measurements and the Method of Recording them, 384
• Roberts-Austen, Professor W., Metallic Alloy, 494
• Rock Asphalte, 487
• Rock Drills, Mr. E. Davey on Recent Trials of, 252
• Rogers, Mr. F. M., Shaping Attachment for Lathes, 319
• Roll Turning? 429
• Roller, Road, Messrs. Wallis and Steevens, 507
• Roller, Ten Ton Compound Steam and Road, Messrs. Chas.. Burrell and Sons, 367
• Rolling Mill Engines for the Parkhead Rolling Mills, 363, 370
• Rolling Stock, Buenos Ayres and Ensenado Port Railway, Mr. Edward Woods, 141, 142
• Rolling Stock. Southern Mahratta Railway (Supplement March, 26th, 1891), 232
• Rope Making Machinery ? 429
• “Rosales” and “Espora,” The, Torpedo Gunboats for the Argentine Government, Messrs. Laird Bros, and Co., 3
• ROYAL AGRICULTURAL SOCIETY, THE, 403, 506
• - Coultas Finishing Thrashing Machine, 505
• - Foden and Son’s Finishing Thrashing Machine 505
• - Prizes for Ploughs, 300
• - Road Roller, Messrs. Wallis and Steevens, 507
• - Thrashing Machine Trials at Doncaster, 491 504, 505
• - Traction Engine, Messrs. Clayton and Shuttleworth, 507
• R.A.S.E. “Prize System,” Thrashing Machine Trials, 504
• Royal Agricultural Society’s Show, and Trials at Doncaster, 471
• “Royal Arthur,” H.M.S., 139, 169, 179
• Royal Commission on Capital and Labour, 168
• ROYAL INSTITUTION, THE
• - Faraday Centenary, The, 514
• - Forthcoming Lectures by Dr. Mackenzie and Prof. Church, 384
• ROYAL NAVAL EXHIBITION, THE, 169, 212, 3CC, 348, 383, 401, 423, 439, 479 :-
• - Air Compressor, Messrs. Beiliss and Co. (Fig. 1)
• - Cammell and Co., Messrs., Exhibits, 439
• - Centrifugal Pump Engines, H.M.S. “Revenge” and “Resolution” (Fig. 2), 383
• - Combined Engine and Dynamo, Messrs. Beiliss and Co. (Fig. 3), 383
• - Eddystone Lighthouse, The 288
• - Electric Launch, Messrs. Woodhouse and Rawson, 479
• - Electric Lighting Machinery Messrs. W. M. Allen and Co., 479, 480, 501, 510
• - Electric Sun Lamp, Boardmans, 479
• - Elswick Gallery, The, 342
• - Elswick, Pneumatic Gun Mounting, 346
• - Engines, Messrs. W. H. Allen and Co., 479, 485
• - Fire, Protective Apparatus at the, 420
• - Government Exhibit of War Material, 350
• - H.M.S. “Victoria,” Sir W. G. Armstrong, Mitchell and. Co., 343
• - H.M.S. “Victory,” Her History and Construc¬tion, 333, 340
• - Maxim-Nordenfelt Company s Exhibits (figs. 1, 7), 423
• - Quick Fire Gun, 4’5in., 343
• - Vernon Torpedo Programme, The, 480
• - War Materiel Manufactured by Sir W. G. Armstrong, Mitchell, and Co., 343
• - Water Basin and Fountain (Figs. 4, 5, 6), 384
• - Whitehead Exhibit, The, 401
• ROYAL SOCIETY, THE:—
• - Conversazione of, 376, 494
• - Passive State of Iron and Steel, Mr. Thomas Andrews, 88
• “Royal Sovereign,” H.M. Barbette Ship, 139, 140, 251
• “Royal Sovereign” and “Royal Arthur, Launch of the, 139, 169, 179
• Rudder Frame of the Italian Warship “Sardegna,” 241
• Russia, Iron and Steel Manufacture in, 5l2
• Russian Armour Competition at Ochta, St. Petersburg, 29
• Ruston, Proctor, and Co., Messrs., Triple-expansion Electric Lighting Engine (Supplement, February 6th, 1891), 88, 90, 108, 115

• SAFE Deposit for the West of London, 164
• Safety Brake for Mountain Railways, Hong Kong Tramway, 98
• Safety Commutator, Davis and Stokes, 212, 224, 259
• Safety Valve Springs, 513
• Sagar and Co., Messrs., Wright’s Patent Bind Saw Guide, 152
• Sailing Ship Construction, 347
• Sailing Ships, 430
• St. Clair Tunnel Locomotives, The, 319, 353, 421, 424
• St. Lawrence, Proposed New Bridge over the, 64
• Salt District, Commpensation for Subsidence in The, 150
• Salt, The Manufacture of, 494
• Salt Pans? 167
• Salt Water in the Gas Wells, 183
• Sampierdarena, Messrs. G. Ansaldo and Co.’s- Engineering Works, 240, 246
• Sampierdarena, Messrs. G. Ansaldo and Co., Engines of 6000-Horse Power for s.s. “Sirio,” “Perseo,” and “Orione” (Supplement, April 3rd, 1891), 266, 277, 280, 281
• “San Francisco,” The U.S. Cruiser. 484
• Sand Drier, McDonald’s, 183
• Sanitary Engineering, 17
• Sanspareil Gun, The, 103, 126
• Sardinia - street Station, Metropolitan Electric Supply Co., 49, 68, 69, 70
• Saw Guide, Wright’s Patent, 152
• Scaffold and Hoist, Mr. J. Harper, 319
• Schneider’s Armour Plate Dismounted after Competition, Back of, 29
• Schneider’s Plate, 29
• School of Electrical Engineering, The, 97
• Schwedler, Herr J. W., 216
• “Scot,” The s.s., Messrs. W. Denny and Bros., 465
• Scotch Blast Furnace Strike, Close of the, 211
• Scotch Cotton Industry, Decadence of the, 373
• Scotch Railway Strike, The, 111
• Scotland Yard Electric Lighting Plant, 375
• “Scot,” The Cape Mail Steamship, 439
• Screw Gearing, Hamilton’s Triple, 65
• Screw Gearing, Triple, 85
• Screw Piles ? 409
• Screw Propellers, 5, 28, 47. 76, 85, 106, 107, 127, 146, 164, 184, 206, 245, 259, 279, 306, 317, 368. 407, 424, 425, 443, 462, 487, 515
• Screw Ships, Triple, 65
• Screws and Screw Making, 460
• Seaton, Mr. A. E., Forced Draught on Steam¬ships, 326

Seaton, Mr,, and the Inventor of Forced Draught, 104

• See’s Extractor for Feed-Water, 354
• Seine, A New Bridge across the, 304
• Seine, Purification of the, 162, 163
• Seiseophone, The, 47
• Selected American Patents, 22, 42, 60, 80, 102, 120, 138, 158, 176, 198, 220, 238, 256, 274, 293, 312, 332, 360, 382, 400, 418, 438, 458, 478, 500, 520
• Sensitive Drilling Machine, The, 180
• Separation of Iron Ores, 164
• Sewage, Electrical Treatment of, 5
• Sewage and Harbour Works? 449
• Sewage Precipitation Works, Design and Construction of, 163
• Sewage Purification, 206
• Sewage Purification at Nuneaton 499
• Sewage System, The Brighton, Endangered, 130
• Sewerage of Paris, 162, 163
• Shafts, Experiments with a Steel Crank, 260
• Shafts, Crank and Intermediate, for Marine Engines, 257
• Shan States, Iron Mines in the, 59
• Shaping Attachment for Lathes, 319
• Sharp, Stewart, and Co., Messrs., Special Crank Shaft Lathe, 277, 284
• Shaw, Professor H. S. Hele, The Education of an Engineer, 203, 262
• Sheffield District, The, 19, 39, 57, 77, 99, 117, 135, 155, 173, 195, 217, 235, 253, 271, 292, 309, 357, 379, 397, 415, 435, 455, 475, 497, 517
• Shell, The Graydon Dynamite, 95
• Ship Canal, The Manchester, 112, 177, 203
• Ship Canal, The Paris, 249
• Ship Canals, The Uncompleted, 188
• Shipbuilding, Art in Relation to, 73
• Shipbuilding, A Check to, 93
• Shipbuilding Firms, Clyde, 159
• Shipbuilding Price Books ? 323
• Shipping Trade, The Steam Condition of, 73
• Shipping World Year-Book, The, 53
• Ships, The New Battle, 84
• Ships, Sailing, 430
• Ships, Triple Screw, 65
• Shop Orders, 368
• Shorey, Mr. F. W., Capital and Labour. 70
• Sibley College, United States, Marine Engineering and Naval Architecture, 95
• Side-lights, Mason’s Pivotted, 170
• Siemens and Halske, Messrs., Experiments with High-tension Alternating Currents, 426
• Siemens, Dr. W. von, Tubes for High-pressure Petroleum Mains, 432
• Silica, Crushing Hard, 278
• Silicon in Cast Iron and Steel, The Presence of, 374
• Silver-plating, The Process of, 407, 433
• Simpson and Co., Messrs. James, Compound Worthington Pumping Engine, Oxford Corporation Waterworks, 166, 169, 186, 190, 214, 244
• Sliding Door, The “Hope” Flush-closing, 404
• Sluices on the River Weaver, Stoney’s, Manchester Ship Canal, Messrs. Ransome and Rapier, 25
• Sluices, Stoney’s Weaver, 25
• Smelting Antimonial Copper ? 303
• Smith, Mr. Thomas, 15-ton Locomotive Steam Crane, 424, 427
• Smoke and Fog, 187, 206
• Smoke Preventer and Fuel Economiser, The Ackroyd-Willoughby, 395
• Smokeless Fuel, 511
• “Snark,” The, (Spirit Launches), 75
• Softening Water in Large Quantities ? 489
• Somerscales, Mr. F., on Art in Relation to Shipbuilding, 73
• SOCIETY OF ARTS:—
• - Papers to be Read after Christmas, 8, 47
• Society of Arts Conversazione, The, 482
• SOCIETY, THE BALLOON:—
• - Improvements in Surgical Dressings and Waterproof Materials, Mr. Thomas Christy, 232
• Society, The Bath and West and Southern Counties, 420
• SOCIETY, THE CHEMICAL:—
• - Jubilee of the, 161
• SOCIETY OF CHEMICAL INDUSTRY, THE LONDON SECTION OF THE:
• - Softening Locomotive Feed-water, Messrs. Leonard Archbutt and Deeley on their New Process of, 364
• SOCIETY OF CIVIL ENGINEERS, THE AMERICAN :
• - Littoral Movements on the New Jersey Coast, with Remarks on the New Jersey Coast, with Remarks on Beach Protection and Jetty Reaction, Professor Lewis M. Haupt, 61
• SOCIETY, CIVIL AND MECHANICAL ENGINEERS’, 384, 451
• - Electric Cranes, Mr. R. Bolton, 147
• SOCIETY OF ENGINEERS :
• - Balancing of High-speed Steam Engines, Mr. A. T. Rigg, 191
• - Inaugural Address of Mr. W. N. Colam, 116
• - Modern Coal Gas Manufacture, Mr. C. C. Carpenter, 367
• - Portable and Pioneer Railways, Mr. John Kerr, 445
• - Presentation of Premiums by Mr. Henry Adams, 116
• - Visit to the Linde British Refrigeration Company’s Ice Works, 495
• SOCIETY OF ENGINEERS, THE AMALGAMATED :
• - Fortieth Annual Report of, 367
• Society of Great Britain, The Photographic, 237
• Society, The Iron, Hardware, and Metal Trades’ Pension, 389
• SOCIETY, JUNIOR ENGINEERING, 137
• - Annual Dinner of, 85
• - Iror from the Ore to the Casting, Mr. H. Young, 272
• - Modern Hydraulic Lifts, Mr. P. J. Waldram, 70
• - Visit to the London, Chatham, and Dover Railway Works, 502
• - Visit to Messrs. Maudslay, Sons, and Field’s Boiler Works, 231
• - Visit to the Tower Bridge Works, 381
• - Visit to Messrs. Siemens Bros, and Co.’s Electrical Engineering Works at Charlton, 308
• SOCIETY, KING’S COLLEGE ENGINEERING :
• - Oil Gas, Mr. Abbott, 184
• SOCIETY, THE LIVERPOOL ENGINEERING, 499
• - Annual Dinner of, 64
• - Denudations at Aber-Menai, Anglesey, Mr. G. Farren, 349
• - Education of an Engineer, The, Professor H. S. Hele Shaw, 203, 224, 262
• - Electric Automatic Bridge Indicator, Mr. A. J., Maginnis, 131
• - Foundations, Mr. H. G. F. Barham, 183
• - Notes on the Phenomena of Tidal Rivers, Mr. J. Boult, 131
• SOCIETY, THE MASON COLLEGE ENGINEERING :—
• - Westinghouse and Vacuum Brakes, Mr. Peirce, 454
• SOCIETY OF MECHANICAL ENGINEERS, THE AMERICAN
• - New Process for Generating and Cutting the Teeth of Spur Wheels, Mr. Ambrose Swasey, 30
• - Topical Questions for the Providence Meeting June, 1891, 463
• SOCIETY, THE ROYAL CORNWALL POLYTECHNIC, 476
• SOCIETY, THE ROYAL METEOROLOGICAL, 181
• SOCIETY, STEAM ENGINE MAKERS’, 172
• - Labour Prospects, Mr. Jas. Swift On, 172
• SOCIETY, UNIVERSITY COLLEGE ENGINEERING:—
• - Alternate Current Motors, Mr. G. N. Jule, 213
• - A London and North-Western Compound Passenger Locomotive, Mr. F. A. Lart, 54
• - Marine Engine Trials, Mr. A. G. Ashcroft, 131
• - Wells and Well-sinking, Mr. W. L. Mansergh, 174
• SOCIETY, THE YORKSHIRE COLLEGE ENGINEERING :—
• - Education of Engineers, Mr. H. MacLaren, 180
• South America, Machinery Trade with, 324
• South of France Railway, The Crueize Viaduct, 441, 442
• South Kensington, Department of Science and Art, 396
• Southampton Naval Works Co., Limited, Stern Wheel Steamer “Crocodile,” 508
• Southampton Naval Works Co., Triple Expansion Engines, Nile Paddle Steamer, 125, 128
• Spacing Cross Girders in Railway Bridges, 192
• Spagnoletti, Mr. C. E., The Block System on the City and South London Railway, 54
• Spain, Progress of Trade in, 130
• Spanish Competition in the Iron Trade, 324
• Spanish Trade during 1891, Statistics of, 127
• Spencer, Mr. J. F., Machine Stoking, 97
• Spencer and Co., Messrs., Double Axle-box Brass Boring Machine, 515
• Spezia, Turret Mountings for 110-ton Guns, 450
• Spiral Springs ? 91
• Spirit Launches, 75
• Spon’s Engineers’ Diary and Reference Book for Engineers, Machinists, andc., 76
• Spring Vehicle Wheel, An All-metal, 413
• Springs, Safety Valve, 513
• Staffordshire Bricks, 345
• Stang, Mr. J., Displacing of a Water Main without Stopping the Supply, 101
• Standards of Light, 129
• Stanley Exhibition of Cycles, 133, 153
• Stamped Steel Axle-boxes, 161, 224, 252, 262, 282, 321
• Steam Assistant Cylinder, Mr. David Joy’s, 113
• Steam on Canals ? 129
• Steam on Common Roads, 187
• Steam Crane, 15-ton Locomotive, 424, 427
• Steam Engine Accessories into Greece, Import of, 513
• Steam Engineering, Problems in, 33
• Steam Fire Engine, An Austrian, Mr. W. Thurs- field, 3
• Steam Hammers, Condensing, 85
• Steam, How Steam Boilers furnish Wet, 255
• Steam Motive Power in 1700, 416
• Steam Pile Driver, Triple-row, 363
• Steam Pipe, The Ferranti, 200
• Steam Pipes, 262, 282, 315, 353, 369
• Steam Pipes, Brazed, 251
• Steam Pipes, Copper, 126
• Steam Pipes, Preservation of Copper Main, 66
• Steam, Relation between Pressure and Temperature in, 134, 245
• Steam Roller, 10-ton Compound, Messrs. Chas. Burrell and Sons, 367
• Steam, Superheated, 92
• Steam Trials of the “Iona,” 403, 486, 515
• Steamer for the Congo, Stern-wheel, 318
• Steamer for the White Star Line, Launch of, 122
• Steamers, New White Star, 237
• Steaming, Ocean, Remarkable Winter Passages, 53
• S.S. “City of Paris,” The, 266
• Steamship Funnels, 490
• S.S. “Scot,” Messrs. W. Denny and Bros., 465
• Steam Shipping Trade, Condition of the, 73
• Steamships and Engines, 373
• Steamships, Idle and Engineering, 35
• Steamships, Performance, Examples of the Analysis of Power Expenditure in, 479
• S.S. “Violet,” Boiler Room, The, 354
• Steamships and Working Cost, 230
• Steel and Allied Trades, The, Both Sides of the Shield, 304
• Steel Armour, English, 211
• Steel Axle-boxes, Stamped, 224, 252, 262, 282, 321
• Steel, Basic Open-hearth, Mr. James Davis on, 74
• Steel Crank Axle, Experiments with a, 260
• Steel Frames for Pianofortes, Messrs. Davey, Paxman and Co., 56
• Steel, Galvanised, 85
• Steel andiron Report, Messrs. Bolling and Lowe’s, 27
• Steel -v. Iron Axles, 47, 85
• Steel-making Scandal in Germany, 490
• Steel Plates, Toughening, 348
• Steel Plating, Internal Stresses in, Mr. Yates on, 257
• Steel, Tests for, 412
• Steel used in the Manufacture of Artillery, Tests for, Mr. Win. Anderson, 374, 388
• Steel Vessels, Alterations of Form in, Mr. Phillips on, 257
• Steel Wire Rope ? 285
• Stephenson and Co., Messrs. Robert, Express Passenger Engine, 6
• Stephenson, Messrs. Robert, Government Cruiser “Sybille,” 8
• Stern-wheel Shallow Draught Gunboat for Russia, Messrs. Yarrow and Co., 480
• Stern-wheel Steamer for the Congo, 318
• Stern-wheel Steamer “ Crocodile,” The, 508
• Stewart’s Melted Cast Iron Receiver, 192
• Stokes’ Portland Cement Plant, 53, 76, 85, 126, 146, 164
• Stoking Machine, 97
• Stone Dressing, Cost of, 55
• Stone’s Patent Bronze, 326
• Stoney’s Sluices on the River Weaver, Manchester Ship Canal, Messrs. Ransome and Rapier, 25
• Stop Valves, 252, 262, 279
• Strength of Marine Boiler Furnaces, 188
• Stresses in Crane Posts, 85, 127
• Stresses in a Fly-wheel Arm, 516
• Stresses in Fly-wheel Arms, 308, 345
• Strike, Close of the Scotch Blast Furnace, 211
• Strike on the Continent, The Colliers’, 410
• Strike, The Hull Dock, 8
• Strike, The Scotch Railway, 96, 111
• Submarine Guns, 381
• Subsidence in Salt Districts, Compensation for, 150
• Subterranean Water in the Chalk Formation of the Upper Thames, &e., Mr. J. T. Harrison on the, 189
• Suez Canal too Small, The, 471
• Sukkur, The Lansdowne Bridge at, 8, 28, 32
• Sun Cotton Mill, Bombay, The, Messrs. Musgrave and Co., 208, 213, 243, 249, 257, 261, 264
• Superheated Steam, 92
• SUPPLEMENTS :—
• - Composite First and Second Class Bogie Carriages, Southern Mahratta Railway, Mr. C. P. Whitcombe (Supplement, March 20th, 1891)
• - Compound Differential Pumping Engine, Bradley, Messrs. Hathorn, Davey and Co., January 23rd, 1891
• - Details of Horizontal Corliss Engine, Mr. Bollinckx, January 16th, 1891
• - Engines of 6000-1. H.P. for s.s. “Sirio,” “Orione,” and “ Perseo,” Messrs. G. Ansaldo and Co., April 3rd 1891, May 29th, 1891
• - Express Passenger Engine, Great Eastern Railway, Mr. Holden, June 12th, 1891
• - Express Passenger Locomotive, Great North of Scotland Railway, Mr, Jas. Manson, January 2nd, 1891.
• - French Protected Cruiser, “Le Tage,” La Soc. Anonyme des Ateliers de la Loire, May 15th, 1891
• - Shipbuilding Yard at Dumbarton, Messrs. W. Denny and Co., General View, February 27th, 1891
• - Shipbuilding Yard at Dumbarton, Messrs. W. Denny and Co., Larger Wet Dock, February 27th, 1891
• - Standard Goods Engine, Lancashire and Yorkshire Railway, Mr. John A. Aspinall, February, 20th, 1891
• - Triple Expansion Vertical Condensing Engine, Messrs. Ruston, Proctor and Co., February 6th, 1891
• - Triple Expansion Engines, London and North- Western Railway Co.’s s.s. “Violet,” Messrs. Laird Bros., April 17th, 1891
• Sutton, Mr. H., on Photo-Blocks for Newspaper Works, 298
• Swasey, Mr. Ambrose, New Process for Generating and Cutting the Teeth of Spur Wheels, 30
• Swift, Mr., On Labour Prospects, 172
• Swinton, Mr. A, A. Campbell, Electric Light Installation near Ascot, 107
• Switzerland, Electric Lighting in, 88
• Syphon under the Brenta, Extension of a, Mr. F. Cesareni, 79
• Syphons at Isle St. Louis, Paris, 162,163

• TANK Locomotive for the Grand Trunk Railway of Canada, 319, 421, 424
• Taxation of Machinery, 146
• Teague Electricity Meter, The, 493
• Technical Schools in France, 491
• Teignmouth Water Supply, The, 351
• Telegraphy and Manufacturers, Cheaper, 392
• TENDERS :—
• - Cast Iron Girder Bridge, 98
• - Construction of Earthenware Pipe Sewers, 473
• - Hornsey Local Board, 384
• - Sewerage and Sewage Disposal Works, Houghton-le-Spring, 318
• - Sewerage Works, Groombridge, 304
• Temporary Pumping Plant, 36
• Test, An Economical, for Marine Furnaces, 35
• Testing Cement, 391, 412, 463
• Testing Fuels on a Small Scale, Calorimeters for, 37
• Testing Magazine Rifles, 420
• Tests for Steel, 412
• Tests for Steel used in the Manufacture of Artillery, Mr. Wm. Anderson, 374, 388
• Tests of Mild Steel used in Pianoforte Frames, 56
• Thames Bridge at Richmond, The New, 47
• Theatrical Racecourse, A, 426
• Thompson, Professor S., An Optical Illusion, 494
• Thompson, Mr. T; J., Bicycle (Fig. 2), 133
• Thompson and Co., Messrs. W. P., Robins’ Patent Axle-box, 481
• Thorneycroft, Mr., The Inventor of Forced Draught, 104
• Thrashing Machine Trials at Doncaster, 491
• Thrashing Machine Trials, Doncaster, 504, 505
• “Thunderer,” H.M.S., 30
• Thursfield, Mr. William E., Austrian Steam Fire Engine, 3
• Thwaite, Mr. B. H., Proposed Museum of Naval Architecture and Marine Engineering, 96
• Thwaites Brothers, Messrs., Oscillating Hot Ingot Saw, 7
• Thwaites Brothers, Messrs., Stewart’s Cast Iron Receiver, 192
• Tidal Power, P. Decoeur on Continuous Utilisation of, 7
• Tidal Rivers, Notes on the Phenomena of, Mr. Joseph Boult, 131
• Timber Trade of Norway and Sweden, The, 101
• Tin-plate Trade, Ironworks’ Engineers and the, 410
• Tire Stresses, 307, 353, 378
• Tires, Cycle (Figs. 12, 13, 14, 15, 16, 17), 153
• Torpedo Boats, French, 81, 126
• Torpedo, The Brennan, 303, 345
• Torpedo Gunboats for the Argentine Government, Messrs. Laird, Bros, and Co., 3
• Torpedoes, “The Whitehead,” 401
• Toselli’s Submarine Cannon, 40
• Toughening Steel Plates, 348
• Tower Bridge, The, 296, 297, 300, 301, 302
• Tower Bridge from the North, The, 488, 492
• Tower Bridge Works, Visit of the Junior Engineering Society to the, 381
• Towns, The Drainage of and Water Supply, 52
• Towns, Water Supply of, 34
• Traction Engine, Messrs. Clayton and Shuttle worth, 507
• Traction Engine Owner Fined, 331
• Trade, Condition of the Steam Shipping, 73
• Trade of the Country, 211
• Trade with Japan, 487
• Trade Marks in Japan, 152
• Trade, Prospects of, 93
• Trade in Spain, Progress of, 130
• Trades Union Leader on Labour Prospects, A. 172
• Trades Union Leaders, 210
• Tramway, Hong Kong High Level, 65, 86, 87, 98
• Transmission of Power ? The, 429
• Transmission of Power, Electrical, 131
• Transatlantic Liners, American, 270, 282
• Transatlantic Steamship Traffic, The, 8
• Triple Expansion Engines, s.s. “Violet,” 296, 297
• Triple-row Steam Pile Driver, 363
• Triple Screw Gearing, 85
• Triple Screw Gearing, Hamilton’s, 65
• Triple Screw Ships, 65
• Triple Seed Kettles ? 265
• Triple-expansion Electric-lighting Engine (Supplement, February 6th, 1891), 88, 90, 108
• Triple-expansion Engines, Nile Paddle Steamer, the Southampton Naval Works Company, 125, 128
• Tube-frame Cars, 451
• Tube Joint, The “Doubly Secure,” 426
• Tubes for High-pressure Petroleum Mains, 432
• Tubular Frame Wagons, 425, 463
• Tubular Framed Wagons, 516
• Tubulous Boiler, Yarrow’s, 43
• Turbine, Arm field’s Empire, 36
• Turbine, The Empire, 36
• Turner, Mr., on Economical Puddling and Puddling Cinder, 384

• “ULUNDA,” Raising of the, 250
• Uncivil War, 149
• Underground Railway Bill, The Islington, 234, 249
• Underpinning, Mr. R. Pawley on, 147
• Union Ironworks, San Francisco, Battleships for the United States Navy, 405, 406
• United States Agricultural Engineering Syndicate, The, 52
• United States Cruiser “San Francisco,” The, 484
• United States, Ironmaking in the, 163
• United States Navy, Battleships for the, 404, 405
• United States Navy, Bidding for Cruiser No. 13, 498
• United States, Rail-making in the, 144
• Unsinkability of Cargo-carrying Vessels, Mr. W. Hok, 305
• “Utopia” Disaster, The, 247

• VALUES of 7 and J, 245, 259, 278, 368, 433
• Valve Gear, Diagram of Wild’s, 109
• Valve Gear, Joy’s, 113
• Valve Gear, Locomotive, 5
• Valves, Stop, 252, 262, 279
• Vernon Torpedo Programme, Naval Exhibition, 480
• Vertical and Compound Engines, Messrs. John Fowler, 182, 183
• Viaduct, The Crueize, 441, 442
• Vickers’ Armour Plate Dismounted after Competition, Back of, 29
• Vickers’ Forging Press, 5
• Vickers’ Plate, 29
• Vickers’ and Sons, Messrs., Armour Plate, Naval Exhibition, 440
• Victoria Gap, Hong Kong High-level Tramway, 65, 86, 87
• “Victoria,” H.M.S., Sir W. G. Armstrong, Mitchell, and Co. 344
• “Victory,” H.M.S., Her History and Construction, 333-340
• “Violet” Boiler-room, The s.s., 354
• Volunteer Brigade Steam Fire Engine, Mr. Wm. Thursfield, 3
• Vyrnwy Water for Liverpool, 503
• Vyrnwy Water Supply to Liverpool, 442

• WAGES and Prices in the North of England Finished Iron Trade, 430
• Wagons, Tubular Frames, 425, 463
• Waldram, Mr. P. J., Modern Hydraulic Lifts, 70
• Wales and Adjoining Counties, 19, 40, 58, 78, 100, 118, 136, 156, 174, 196, 218, 236, 254, 272, 292, 310, 330, 358, 380, 398, 416, 433, 456, 475, 498, 518
• Walker, Mr. Benjamin, 298
• Wallis and Steevtns, Messrs., Road Roller, 507
• War Material, 16
• War Material in the United States, Recent Progress in the Manufacture of, Mr. W. H. Jaques, 384, 394
• War Materiel Manufactured by Sir W. G. Armstrong, Mitchell, and Co., 342, 343
• War, Uncivil, 149
• Warren Filter, The, 485
• Warship Building, Future Policy of, 265
• Warship Building, Lord Brassey on the Future Policy of, 221
• Warship Designs for the American Navy, Mr, Biles on some Recent, 223, 239
• Warships, British and Foreign, 259
• Warships, Reserves of, 229
• Water Basin and Fountain, Royal Naval Exhibition, 383, 384
• Water Conservation in New South Wales, 88
• Water Cooler, Mr. Cooper’s Improved, 240
• Water Main, Displacing of a, without Stopping the Supply, Mr. T. Stang, 101
• Water Main, Laying a Submerged, Mr. E. C. Cooke’s Notes on, 6
• Water in Marine Boilers, Density of the, 184
• Water Meter, The Frager, 327
• Water Softening, New Process of, at the Midland Railway Company’s Works, Derby, 364, 389, 412
• Water Supply, 17
• Water Supply Bill, The Metropolis, 129
• Water Supply of Birmingham, The, 213
• Water Supply for Birmingham, Proposed New, 295
• Water Supply, The Drainage of Towns and, 52
• Water Supply Inquiry, The Lisbon, 91
• Water Supply of London, Mr. J. Thornhill Harrison and the, 189
• Water Supply of Towns, 34
• Water-Tube Boiler, A New, 43
• Water-Tube Boilers, 46, 347, 378
• Waterproof Building Boards, “Randalite,” 232
• Waterproof Material, Christia, A New, 232
• Waterworks, The Agra, 55
• Waterworks, American, 180
• Watson and Sons, Messrs., “Acme” Camera (Fig. 6), 351
• Watson and Sons, Messrs., Magnesium Flash Lamp (Fig. 5), 351
• Weaver Sluices, Stoney’s, 25
• Weaver Sluices, Manchester Ship Canal, Messrs. Ransome and Rapier, 25
• Wells and Well-sinking, Mr. W. L. Mansergh on, 174
• West, Mr., On the Application of Electricity for the Transmission of Power, 56
• Westinghouse and Vacuum Brakes, Mr. Peirce on, 454
• Westwood, Baillie, and Co., Messrs., The Sukkur Bridge, 8
• Wet Arches and Abutments, German Method of Repairing, 144
• Wheel, An All-metal Spring Vehicle, 413
• Wheel, The Pelton, 170
• Wheels, New Process for Generating and Catting the Teeth of Spur, 30
• Wheels, Generating and Catting the Teeth of Spur, New Process for, 30
• Whitehead Exhibit at the Royal Naval Exhibition, 401
• White Star Line, New Steamer for the, 122
• White Star Steamers, New, 237
• Whitworth Mountings, H.M.S. “Devastation,” 322
• Whitworth and Co., Sir Joseph, Their Stand at the Naval Exhibition, 440
• Wild and Co., Messrs. J., Portable Hauling Engines, 109, 113
• Wild and Co., Messrs. J., Valve Gear, Diagram of, 109
• Williams, Mr. Joseph, On the Efficiency of Air Compressors, 4
• Wilson, Professor C. A. Carus, Instrument for Examining the Strains in Bent Glass Beams, 494
• Wilson, Mr. W. W., on Improvements in Engineroom Practice, 147
• Wolheim, Mr. A., Design and Construction of Sewage Precipitation Works, 163
• Wood and Metal Paving, 146
• Wood-working Machinery in 1893, American, 353
• Woodhouse and Rawson, Messrs., Electric Launch, 479
• Work and Wages of Coal Miners, 51
• Working Expenses on Railways, 52
• Working Miners as Mine Inspectors, 230
• Workshops, Factories and, 409
• World’s Population, 1890, The, 273
• Worthington Engine, The, 206
• Worthington Pumping Engine, Compound, Messrs. Jas. Simpson and Co., 166, 169, 186, 190
• Wrecks of a Century, The Great, 381
• Wright’s Patent New Saw Guide, 152
• Wylam Railway Bridge, Mr. W. G. Laws on the, 252

• YARROW and CO., Messrs., Stern-wheel Shallow Draught Gunboat for Russia, 480
• Yarrow and Co., Messrs., Stern-wheel Steamer for the Congo, 318
• Yarrow, Mr. A. F., on Boiler Construction, 225, 239
• Yarrow’s Tubulous Boiler, 43
• Year-Book, The Shipping Woild, 53
• Young, Mr. H., on Iron from the Ore to the Casting, 272

• ZIMMER Double-hand Lever Mechanism for
• Zimmer Mr. G.F., Dustless Basic Slag Grinding Mill, 315, 316
• Zinc, Mr. Green on the Application of, 180, 204

See Also

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