Engineering 1892 Jan-Jun: Index: General Index

Engineering 1892 Jan-Jun: General Index.

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General Index

ABATTOIRS, Woodside, Birkenhead, 615
Abel, Sir Frederick, on Armour Plates, Alloys, and Metallurgy, 679
Absorption of Heat by Cylinder Walls. See Willans, The Late Peter )F.
Accident to a Steamer, Extraordinary, 389
Accidents, Railway, The Statistics of, 630
Accumulators, Battery Transformer System, 51
Accumulators, Birmingham Hydraulic Power Supply Station, 196 255. See also 187, 210
Accumulators, Secondary Batteries, 628, 660
Action of Light on Silver Chlorine, Thermodynamical View, 393
Addition to Merchant Fleets of British Ports, 114
Administration Building, Chicago Exhibition, 601, 792
Admiralty Administration (Progressive Speed Trials, 154
Admiralty Model Experiments, Constant Notation, 492,542
Admiralty and Torpedo Boats, 109
Advance of the Trams, Westminster Bridge Line, 295
Aerial Graphoscope, 405
Aerial Navigation, Modern, 628. See also 236
Aerodynamics, 154, 393
Aeronauts, 236. See also 628
Agricultural Building, Chicago Exhibition, 432, 462, 492, 519, 552

Agricultural Show, Royal (Warwick}: ttau Otl Eogi-ueSf 770

Robey’s Oil Engine, 770
Priestman Oil Engines, Portable, 770
Crossley Brothers’ oil Engines, 771
Weyman and Co.’s Oil Engine (Trusty), 772
Hornsby-Akroyd Oil Engine, 772
Penney and Co.’s Weatherhogg Oil Engine, 772
Robey and Co.’s Gas Engine, 772
Governor for Gas Engine, Impact (Messrs. Wells Brothers), 772
Wells’ Gas Engines, 772
Andrews’ Gas Engine, 772
Tangyes’ Gas Engines, 772
Fielding and Platt’s Gas Engine, 772
Campbell Gas Engine, 772. See also 525
Crossley Brothers’ Gas Engine, 773, See also 55
Trent Company’s Gas Engine, 773
Steam. Engines, 773
Fowler and Co.’s Ploughing Engine, 773
Nicholson and Co.’s Compound Engine, 773
Clayton and Shuttleworth’s Engines, 773
Aveling and Porter’s Locomotive, 773
Implements, 773
Brickmaking Machinery, Tib
Samuel JetTeries and Sons’ Automatic Cutting Table and Removing Apparatus, 775
Win. Johnson’s Brick Cutting off Table, 775
John Whitehead and Co.’s Twisting Loops of wires, 776
Bennet and Saver’s Brick-Cutting Table, 776
Miscellineous, 776
Cornwall-Barnard Wood SplitPulley, 776
M^xon’sDrive Chain, 776
Nicholson’s Danish Milking Machine, 776
R. A. Lister and Co.’s Butter Testing Machine, 776
Isler’s Well-Boring Plant, 776
W. Barnard’s Hedge Cutter, 776
Tangyes’ Rotary Pump, 776
Weighing Machines, 776
Wood’s (Grinding Mill and Separator, 776
Passenger Hoist (J. Braithwaite and Son), 777
Marsden Stone Breaker, 777
Blackman Ventilator, 777

“Aid,” Ramsgate Salvage Steamer (Messrs. W. Allsup and Sons, Limited, Preston), 286
Air, Compressed, at Birmingham, 19
Air, Compressed, Driving with (Glasgow Central Railway), 674
Air, Compressed, Machinery for Hydraulic Power Station, 187, 210
Air Locks, Mersey Tunnel, 767
Air Surface Condensers, 388
Air Valves. Manchester Water Works, 33
Alloys, Committee Report, Institution of Mechanical Engineers, 186
Alloys, Institution of Mechanical Engineers, Presidential Address, 635
Alloys, Sir Frederick Abel on, 679
Allport, Sir James, 531
Allsup, Messrs., Preston, Steamer “ Aid,” 286
Alternate Current Dynamo, Messrs. Pyke and Harris’s, 600
Alternate Current of High Frequency, 171. See also 562
Alternati’^g Currents, Interference with, 21
Alternator, Mordey • Victoria, 250 • Kilowatt (Brush Company’s), 317
America. See Noteii from Vnited Staten.
America, Roadmaking in, 729
American Artillery. See Artillery^ Modern United States.
American Blast Furnace Hearths and Boshes, 425
American and British Railroad Results, 529
American-Bfititth Steamers, 566
Araeri an and British Trade, 439,449, 540, 572
American Commercial Enterprise, 15. See also 41, 729
American and English Railway Traffic, 16
American Ferry Boats, Early Examples of, 222
American Ferry Steamer “ Bremen,” 222, 253
American Ferry Steamer “ Cincinnati,” Pennsylvania Railroad Company, 39, 69. See LBTTIRS, 116, 205
American Intercontinental Railway, Proposed, 303
American Mail Service, 599. See also Atlantic
American Metallurgical Industry, 330
American Navy Engineering Department, 264
American Rail and Tr^ck, 734
American Railroads, Ganges of, 502
American Railways, Economy of Labour on, 756
American Revolver and Pistol, 545
American Society of Civil Engineers. See Civil Jinyineers.
American Society of Mechanical Engineers. See Mechanical Engineers
American Steamer “El Sud” (Newport News Shipbuilding Company), 746
American Tin Mineral, 427
Ammonia Plant, Sulphate of, Simons’, 271
Ammunition. See Artillery^ Modern United States
Ammunition for 3.6-In. Field Gun, 485
Anchor, Hall’s, 597
Anderson, Dr. Wna., Presidential Address of the Institution of Mechanical Engineers on Alloys, 579, 603, 635
Andrews’ Concentric System of Wiring, 713
Andrews’ Gas Engine, 772
Andmographes Compared, 632
Anemometer Comparisons, 504
Application of One, Two, or Three Steam Jackets to a Triple-Condensing Engine, 720
Applications for Space, Chicago Exhibition, 638
Applied Mechanics, Lessons in, 219
April Weather, 564
Aqueduct Tunnel under the Mersey, 16, 387, 739, 767
Aqueducts. See Bridge Building
Aqueducts, Roman, 96
Arc Lamp for Holophote, 4, 31
Arc Lamps, Light of, 565
Archdale and Company’s Planing Machine, 718
Arched Bridges, 125, 157, 185, 309
Arched Gateways, 63
Arches, Masonry, with Semi-Free Joints, 557
Arches, Roman, 96
Armour Plate Trial, 377
Armour-Plate-, Sir Frederick Abel on, 679
Army Estimates, 327
Artificers in the N ivv, 753
Artillery, Canet v. Krupp, 17, 68, 98, 126, 159, 238, 413, 614, 692, 712

Artillery, Modern United States:

Ammunition lor 3.6-ln. Field Gun, 485
Breech Mechanism of 8-In. Coast Gun, 643
Breech Mechanism, Gerdom, 518
Breech Mechanism of the 3.2-In. Rifle, Model 1889, 428 3.2-In. Breechloading Steel Rifles, 1889, 398
Carriage for 3.2-In. Gun, 1889 Model, 453
Carriage, Pneumatic, for 10-In. Gun, 742
Carriage for 15-In. Rodman Gun, 343
Carriage for 8-In. and 10-In. Sea-Coast Rifles, 741
Carriage for 5-In. Siege Gun, 547
Ca^t-Iron Coast Guns and Mortars, 341
Cast-Iron Siege and Coast Guns, 370
Coast Defence Guns, 8-In. (14j-Ton)and 10-In., 610, 643
Converted 8-In. and 10-In. Smooth Bores, 371
Converting Wrought-Iron 3-In. Guns, 397
Disappearing Carriage for American Guns, 741
Efficiency of 15-ln. Rodman Gun, 343
Field Gun, 3.6-In. Heavy, 485
Fuzes for Field Gun Ammunition, 486
Fuzes and Primers, 345
Gerdom Breechloading Mechanism, 518
Harness for 3-In. Rifle, Model 1889, 464
Howitzer, 7-In. Breechloading, 578
Limber for 3-In. Rifle, Model 1889, 454
Mortars, 344
National Gun Factory, The United States, 397
Pneumatic Carriage for 10-in. Gun, 742
Projectiles for Converted Guns, S72
Rodman Guns still in Service, 341
Siege Gun, 5-In , 547
Standard Light 3-In. Rifle, 370
Waf-m and Forge for Field Batteries, 517

Asquith’s Horizontal Boring Machine, 6S4
Atlantic Competition, 389
Atlantic Liner Performances, 565, 591, 655. See LHTPERS
Atlantic Mail Service, 599
Atlantic Mail Service, Southampton v. Liverpool
Route, 154. See LKTTKRS, 177, 208
Atlantic Passages, 154. See LETTERS, 177, 208 Atlantic Passenger Traffic, 361, 446. See LKTTBRS, 389, 475
Atlantic Record, 306, 323
Atlantic Steamer, Hamburg-American, “FUrst Bismarck” (Vulcan Company, Stettin), 407, 497, 606. See LETTERS, 445, 655
Atlantic Steaming, Fast, 416, 565. See L’lter^ 591

Balancing of Marine Engines and the Vibration of Vessels, 435, 462, See LETTERS
Baldwin Locomotive for New South Wales Railway, 585
Ball, Dr. Edwin J., and Wingham, Mr. Arthur, on Experiments on the Elimination of Sulphur from Iron, 703, 707
Ballasting Wagon for Glasgow and South-Western Railway, 270
Ballistic Data of Canet v. Krupp Guns, 17, 68, 98, 126, 159, 238, 413, 614, 692, 712
Ballooning, Military, 236. See also 628
Balloons, 628. See also 236
Baltimore, 372
Barclay and Sons, Electric Fittings, 205
Barnaby’s Work on jscrew Propellers, 249
Basic Iron, The Production of Pure, 683, 783
Basic Steel Patents, 268
Basic Steel for Shipbuilding, 682, 699
Basic Steel, Tests of, 682, 699
Batteries. See Electrical Exhibition
Batteries, Electric, 314
Batteries, Electric, Weymersch, 429
Batteries, Secondary, 628, 660
Batteries, Secondary, Electromotive Force of, 781
Battery Transformer System, 51
Battle-Ship “ Ramitlies,” 286. See Letter^ 831
Battle-Ship Trials, H.M.S. “ Royal Sovereign,” 530. See also 658
Battle-Ships, 325, 355
Beam and Girder Bridges, 219
Beare, Mr. J. Hud ton, on Elastic Tests of Iron and Steel, 277, 310
Bending Rolls for Platfs and Angles (Messrs. Schultz and Goebel, Vienna), 241
Berlin, Sewage Farms at, 512
Bessemer Medallist, Iron and Steel Institute, 679
Betts Tool Company’s Horizontal Boring and hri ling Machine, 87
Birmingham Compre^-sed Air Power Company, 19
Birmingham Hydraulic Supply Station, 196 255
Birmij'gham Water Supply in Parliament, 265, 294, 326 444, 473, 631, 778. See Erratum^ 523
Bishop’s Rock and Tory Island Lighthouses, 268
Blackburn, Economiser Explosion at, 667
Blackman Ventilator, 777
Blast Furnace Hearths and Boshes, 425
Blast Furnace Slag, Disposal of, 187, 243
Blast Furnace Slide Rule, 710
Block Fuel Presses, 300
Blowholes in Steel Castings, Formation of, 19
Bogie Tank Locomotive, 20, 53
Boiler Experiments, 346
Boiler Explosion at Bolton, 698
Boiler Explosion at Burnley, 526
Boiler Explosion at Falmouth, 335
Boiler Explosion at Halifax, 273
Boiler Explosion at Stewarton, 120
Boiler Explosion at Wolverhampton, 242
Boiler Explosions, 152
Boiler Explosions in Germany, 267
Boiler Furnace, Interchangeable-Winged (Leeds Forge Company), 228
Boiler Gauge (Duplex Water), Richards’, 228 Boiler, “ Genetic,” 2P9
Boiler Inspection, Compulsory, 470
Boiler Inspection and Registration Bill, 1892, 440, 470
Boiler, Locomotive, in South Africa, 54
Boiler Priming, 581, 586, 633
Boiler Tube, Serve, 416
Boiler Tubes, Iron versus Steel, 784
Boilers, Danger of Circulating, 41
Boilers, The Distribution of Temperature in, 660. See LETTERS
Boilers, The Failure of Navy, 625. See also 355, 357, 455, 462, 492, 509, 625. See LETTERS, Boilers^ Navy
Boiler®, First-Class Cruisers “Edgar” and “ Hawke ” (Fairfield Company, Govan), 12, 75, 80,330. See LKTTBKS, Trials of Edgar**
Boilers in the Navy, 355, 455, 462, 492, See also 357, 492. See LETTEBS
Boilers, Navy, Failure of, 655, 686.
IFafer Meters for Boilers
Boilers and Saline Solutions, 475
Boilers, Tubulous, 82
Boilers of “Ville de Douvres,” Trials, 633
Boilers, Water Meters for, 686, 747
Boilers of the Yacht “Mira” (Messrs. D. J. Dunlop and Co., Port-Glasgow, K51
Bolton, Boiler Explosion at, 698
Bombay Water Works, Tansa Dam, 618
Boring and Drilling Machine, Horizontal (Betts Tool Company, Wilmington, U.S.), 87
Boring Lathe, Surfacing and (Messrs. Lang, Johnstone), 761
Boring Machine, Horizontal, Asquith’s, 684 BoahcB, Blast Furnace Hearthsand, 425
Bourne, Joteph, and Co., at Electrical Exhibition, Ware for Insulators, 175
Brake Power Paradox, 784
Brazilian Twin-Screw Steamer “Pelotas” (Messrs. Wigham, Richardson, and Co.), 716
Breakdowns in the Navy, 367. See also 355, 625, 655, 686
Breakwaters, Underpinning, 609, 646
Breech Mechanism. See Ariillery, Modern United Blates.
Breech Mechanism of 8 In. Coast Gun, 643
Breech Mechanism of the 3.2-ln. Rifle Model, 1889, 428
Breechloading Mechanism. See Artillery^ Modern United States.
“ Bremen,” American Ferry Steamer, 222, 253 Brickmaking Machine, Stiff Plastic (Messrs.
Broadley and Craven), 286
Brickmaking Machinery, 775
Brickmaking and Pressing Machine, Stiff Plastic (Mr. W. Johnson, Leeds), 524. See a’so 775

Bridge Building, A Short History of: 1, 32, 63. 96, 125, 157, 185, 219, 250, 280, 809. See also ILLUSTRATED INDEX.

Aqueducts, Roman, 96
Arched Bridges, 125, 157, 185, 309
Arched Gateways, 63
Arches, Roman, 96
Beam and Girder Bridges, 219
Cantilever Bridges, 219
Girder and Beam Bridges, 219
Masonry Arches, 125, 157, 185, 309
Pontoon Bridges, 32, 309
Roman Aqueducts, 96
Suspension Bridges, 2, 32
Timber Bridges, 250
Trussed and Tubular Bridges, 280

Bridge, Maidenhead, Great Western Railway, 401
Bridges. See Formosa and its Railivays.
Bridges, Hydraulic Machinery for Swing, 245
Bridges on Line of Aqueduct, Manchester Water
Works, 102
Bridges, Masonry, with Semi-Free Joints, 557
Bridges, Typical Train Loads for, 114
Bridges, Wooden, on Western American Railroads, 633
Brine Boiler Engine, Efficiency of, 408. See also Superheated Bteam.
Briquette Presses, 300
Britain and Foreign Trade Development, 471, 624. See also 729. See Erratum^ 542
Britain, Great, and the Columbian Exposition, 89, 357, 470, 783. See LETTERS, Columbian Exposition
Britain’s Merchant Marine, 237
“Britannia” and “Ormuz,” 568, 591, 619, 655, 686
British and American Competitions in France, 729
British and American Railroad Results, 529
British and American Trade, 439, 449, 540, 572. See also 471, 624, 729
British Association for the Survey and Registry of Shipping, 205. See Paragraph, 230
British Buildings, Chicago Exhibition, 623 British and Colonial Railways Compared, 724 See 794
British Colonies and the Chicago Exhibition, 199, 497, 790
British Commercial Apathy, 729. See also 471 624, 788
British Exhibits for Chicago Exhibition, 89, 357, 374, 783. See LETTERS
British and Foreign Trades, 234. See also 439 449, 471, 540, 572, 624, 729

British Iron Trade Association :

Tne Cuicago Exhibition, Mr. VV. S. Caine, 757
On the Comparative Prosrress of the Iron and bteel Industries of Different Countries in Reference to Production and Exports, and the Lessons to be learnt therefrom, by Mr, William Jacks, 757
On the Laws Regulating the Liability of Employers for Accidents to Workmen in Different Countries in their Bearing on English Law and Usage, by Mr Jeans, 758

British Rails and Transports of Exhibits to Chicago, 227
British Railways Abroad, 727
British Shipping Trade, 384
British Steamers, Americanising, 566
British Steel Trade, 1891, 319
Broad Gauge, The Last of the, 657, 690
Brown, Mr. A., on Municipal Works in Nottingham, 605, 669
Brunlees, The Late Sir James, 729
Brush Company at the Electrical Exhibition, 111. See also 317
Brush Company s 250-Kilowatt Mordey-Victoria Alternator, 317
Bryan, Mr. G. H., on Second Law of Thermodynamics, 206
Bucket Fire Extinguisher, 104
Budenberg, Mr. F., on Pressure Gauges for High-Pres-*ure Gas, 334. See LETTER, Gauges Building Construction, 545. See LETTER, For- mulcefor Long Columns^ 591
Bulkheads, Water-Tight, 441, 479
Bunkers, Fires in, 445, 474
Buoyancy, An Approximate Rule for the Centre of, 463
Bureiu of American Republics, 15. See also 41
Burnley, Boiler Explosion at, 526
Butter Testing Machine, Lister’s, 776

Cabinetmaking, 485
Cable Railways in London, 144, 235, 630, 654, 716, 759
Caine, Mr. W. S., on Chicago Exhibition, 757
Caledonian Railway, Removal of Mill of Ash Tunnel, 346
Callendar, Mr. H. L., on Platinum Pyrometers, 709,762
Calorimeters, 710 Campbell Gas Engine, 525, 772
Canada Railways, 724. See Frratumy 794
Canal, Manchester. See Manchester Ship Canal
Canal, Progress of the Nicaragua, 330
Canal Traffic, Suez, 694
Canals, International Congress on Internal Navigation, 659
Canet v. Krupp Guns, 17, 68, 98, 126, 159, 238, 413, 614, 692, 712
Cantilever Bridges, 219
Cantor Lectures, Petroleum in Prime Movers, 296, 327, 359, 385. See Erratum, 349
Capitaine’s Petroleum Motor, 10. See LETTERS
Car Heating Appliances, Railway, 301
Carbonic Oxide—Compounds with Nickel and Iron, 34 0. See LETTERS, Fickel
Carburetting of Gases, botes on the, 793
Carnot’s Engine, Mechanical Analogue (Thermodynamics), 206
Carriage for 15-In. Rodman Gun, 343
Carriage for 5-In. Siege Gun, 647
Carriage for 3.2-In. Gun. 1889 Model, 453
Carriaiie, Pneumatic, 742
Carriages, Saloon, for the New Zealand Government Railway, 476
Cars, Tube-Frame, 213, 445, 534, 535
Cassier’s Magazine, 19
Cast Iron, Chilled, 708
Cast-Iron Coast Guns and Mortars, 341, 370
Cast-Iron Guns. See Artillery, Modern United States
Cast-Iron Howitzer, 30.5-Cent. (12.01-IQ ), 320
Cast-Iron Siege and Coast Guns, 370
Cast-Iron Test Bars, 534
Castings, Formation of Blowholes in Steel, 19
Castings of Steel in the United States Navy, 533
Cathcart, Peto, and Radford at Electrical Exhibition, 205
“ Cecille” Yacht with Steadying Apparatus, Thornycroft’s, 455, 464
Cells, Armstrong Glass Electric, 415
Cells, Electromotive Force of Gold and Platinum, 405
Central Power Station, Prize Projects for, 84
Central Station, Electric Lighting, Economic Limits of Large Power Units, by Wm. Lee Church, 57, 141
Centrifugal Force, 564. See also 303, 864, 510
Centrifugal and Positive Action Pump Combined, 333
Centrifugal Ventilators, 303, 364, 510. See LETTERS
Chain, Maxon’s Drive, 776
Chair and Fidh-Plate, Whytehead’s Tramway Joint, 584
Chambers of Commerce in Britain and the
Chicago Exhibition, 3^, 357, 470. See also 783
Chartered Institute of Patent Agents, 238
Chicago Exhibition. See Columbian Exposition
Chicago Street Railway Tunnel, 266
Chilled Cast Iron, 708
Chiinnej- Disaster, Cleckheaton, 421
Chinese Railway Building (Formosa), 369, 546, 577, 673
Chronoiraph by Rev. Frederic J. Smith, 562
Chronological Hi’<t'’ry of Electricity by Mr. P.
F. Mottelay, 59. 90, 122, 182, 273, 306
Chubb Safes and Strong Rooms, 415
Chuck, Pratt Drill, 104. See Erratum, 137
Church, Mr. Wm. Lee, on Economic Limits of Large Power Units, 57, 141
“City of New York” and “City of Paris,” Performances, 565. See Letter, 591. Also Atlantic “City of Paris,” Fast Steaming, 416, 566. See
Letter, 591. See also A tlantic
City and South London Railway Company, 267,
See also 144, 235, 630, 654, 716, 759

Civil Engineers, American Society of:

Annual Meeting in New York, 190
Directors’ Report, 190
Report on Uniform Standard Time, 190
Report on Units of Measurement, 191
Report by Committee on Uniform Methods of Tests of Material used in Metallic Structures, 191
The Society and the Chicago Exhibition, 190 Excursions, 191

Civil Engineers, The Institution of:

Gold Quartz Reduction Machinery, by Mr. A. H. Curtis, 139, 207
On the Bishop Rock Lighthouse, by Mr. W. T. Douglass, 268
The illumination by Gas of Tory Island Lighthouse, County Donegal, by Mr. D, C. Salmond, 268
Petroleum Engines, by Prof. W. C. Unwin, F.R.S., 321
On Mean or Average Annual Rainfall, by Mr. Alex. R. Binnie, 377
Sewage Farms of Berlin, by Mr. H. A. Roechling, 512
Electrical Measuring Instruments, by Mr. James Swinburne, 622
Distribution and Measurement of Illumination, by Mr. Alex. P. Trotter, 597
Measurement of High Temperatures, by Prof. Roberts-Austen, 664
Royal Engineers as Members, 51
Students’ Dinner, 623
Clamping Down Wire Ends (Sugden Nut), 416
Cleckheaton Cnimney Disaster, 421
Cleveland. See Notes from Cleveland
Clowes, Mr. Laird, on Torpedo Boats, 594. See LBTTERS, Torpedo Boats
Clyde, Shipbuilding on, 39,146. See PARAGRAPHS, 86
Coal Industry in 1891, 356
Coal Miners’ Stoppage (Restriction of Output), 263
Coal-Washing and Separating Plant (Messrs. Schuchtermann and Kremer, Dortmund), 132. See Erratum^ 181
Coaling Station (Army Estimates), 327 Coast Defence (Army Estimates), 327 Coast-Defence Guns. See Artillery Modern United States
Coast-Defence Guns, 8-In. (Uj-Ton) and 10-In., 610, 643
Cochrane and Walker’s Steam Pump, 684
Coinage, Weights and Measures, Decimal System of, 789
Cold-Air Machines, Tests of, 550
Colliery Pithead Gear, 391
Colonial Defence, 147
Colonial Railways Compared, 724. See^rrcriimi, 794
Colonial Trade, Relation with Britain, 788
Colonial Year-Book, 646
Colour and Light, Unit of Measurement of, 631
Colour Map, The Construction of a, 503
Colours, Note on Supplementary, 273
Columbia Republic and the Chicago Exposition, 86 ?

Columbian Exposition of 1893. See LETTERS

Adiijinisiration Building, cOl, 792
Agricukural Building, 432, 462, 492, 519, 552
Applications for Space, 638
Britain and the Columbian Exposition, 30, 89, 227, 357, 470, 783. See LBTTBBB, Columbian Exposition
British and American Trade, 439, 449,540, 572. See also 471, 624, 729
British Buildings, 623
British Colonies and the Exposition, 199, 497, 790
British Exhibits, 30, 89. 227, 357, 470, 783. See LETTBRS, Cohimbian Exposition
British Iron Trade Conference, 767
British Metallurgical Section, 116
British Paiticipation (Conclusion), 89. See also 30, 227, 357, 470, 783, and LETTBBS
British Railways and Transport of Exhibits, 227
Caine, Mr. W. S., On the Iron and Steel Exhibits. 767
Chambers of Commerce in Britain and the Exposition, 30. See also 89, 227, 357, 470, 783, and LETTERS,
Columbian Exposition
Columbia Republic and the Exposition, 86
Columous Relics, 26, 58
Cost of the Exposition, 89
Costa Rica and the Exposition, 1.39
Cranes, Eh eerie, for Passengers, 758
Cyclone at the Exhibition, Effects, 603
Decoration, 26
Dredge, Mr. James, on the Columbian Exposition, 24, 68. 88
Electric Cranes for Passengers, 758
Electrical Section, 405
Ethnological Museum, 59
Exhibits, Classification of, 88
Fine Arts Building, 24, 318,346, 375
Fine Arts Section, 139
Fire Protection, 59
Fisheries Building, 25
Germany and the Exposition, 227, 246
Government Building, 601, 620, 664, 715
Grounds, 26
Industrial and Liberal Arts Building, 194, 226, 283, 792
Liberal Arts Building, 194, 226, 283, 792
Lighting, Electric, 416
Liverpool and the Chicago Exhibition, 177
McCormick, Mr. R. S.. on British and American Trade 439, 449, 540, 572
Machinery Hall, 7, 37, 72, 103, 130, 163, 226
Mansion House Meeting, 357. See LRTTBMS
Map of America Showing Discoveries by Britons, 608
Midway Plaisance, 25
Movable Sidewalk, 716
New South Wales Colony and the Exposition, <90
Photographic Committee, 655
Pier, 25
Pricing Foreign Goods, 783
Progress of Construction, 37. See also 792
Protection of Foreign Exhibitors. 568
States and Foreign Officials’ Buildings, 25
United States Government Exhibit, 25
United States Navy Exhibit, 25
Victoria Colony and the Exhibition, 497
Viking Ship from Norway, 600

Columbus Relics for Chicago Exhibition, 26, 68
Commercial Apathy, British, 729. See also 788
Commercial Tariffs, 142
Communication between Passengers, Guards, and Drivers, Railway Trains, 122. See LETTERS
Comparison of Steamers, 259
Compensating Lever Pumping Engines, Davey’s, 494
Competition, Atlantic, 389
Compound Armour Plate Trials, 377
Compound Engine in Electric Light Stations, 141.
See LETTERS, 177
Compound Engine (Steeple), Ferry Steamer “Cincinnati;” Pennsylvania Railroad Company, 39, 69. See LETTERS, 116, 208
Compound Engine, Tandem (Messrs. Ross and Duncan, Govan), 226
Compound Engines, Construction of Theoretical Indicator Diagrams, 339
Compound Locomotive, “ Greater Britain ” Class, London and North-Western Railway, 53
Compressed Air, Driving with ; Glasgow Central Railway, 674. Vyrnwy Aqueduct Tunnel. 767
Compressed Air Machinery for Hydraulic Power Station, 187, 210
Compressed Air Power Company, Birmingham, 19
Compression of Iron and Steel, 277, 310
Concentric System of Wiring, Andrews’, 713
Concrete in Harbour Works, 532
Condensation, Cylinder, 115, 267, 299, S31, 362, 409, 684
Condenser, Air Surface, 388
Condenser of Paddle Steamer “Ville de Douvres,” 581, 586, 633
Condensing Plant for Electric Light Station, 633
“ Condor,” French Torpedo Boat, 632
Conical Pistons, 213
Consular Corps and Foreign Trade Development, 471, 624, 724. 788. See also 542
Controlling Silicon in Pig Iron, 426
Converted 8-In. and 10-In. Smooth Bore Guns, 371
Conveyer for Gas Purifiers at the Salford Gas Works, 524
Coode, Sir John, 298
Copenhagen, Electric Station, The New Municipal, 443
Copper Mines of Vermont, 372
Copper Steam Pipes, Solid Drawn, 493
Corner in Pig Iron, Collapse of the, 267
Cornwall Polytechnic Society, Royal, 729
Cost of the Chicago Exhibition, 89
Costa Rica and the Chicago Exhibition, 139
Cotterill’s Work on Thermodynamics of Steam Engines, 64. See LETTER, Condensation^ etc. County Councils and Technical Education, 265
Converting Wrought-Iron 3 In. Guns, 397
Cowan, Sheldon and Co.’s 20 Ton Travelling Jib Crane, 149
Craigie, Captain, on the Navy and Fixed Defences, 691
Cramp ; Engines of United States Cruiser “ New York,” 557
Crane and Lifting Appliances, Morgan’s, 665
Crane, 3-Ton Steam Travelling (Messrs. J. H.
Wilson and Co., Liverpool), 677
Crane, Travelling, at Newport News Shipyard ; Steamer “El Sud,” 746
Crane, 20-Ton Travelling Jib (Messrs. Cow’an, Sheldon, and Co , Carlisle), 149
Cranes, Electric, for Passengers at Chicago Exhibition, 768
Crimean War and the Navy, 34 (LITERATURE)
Critical Temperature of Water, 474. See also Superheated Steam
Crompton-Crab Electric Lamp, 786
Crompton at Electrical Exhibition, 82, 786
Crossley Brothers’ Gas Engine, 773
Crossley Brothers’ Oil Engines, 771
Crossley 60 Horse-Power Gas Engines, 65
Cruiser Engine Performances, 492, 636
Ciuiser “Grafton,” First-Class (Thames Iron Company, London), 180
Cruiser “New York,” United States, Engines of (Messrs. Cramp), 657
Cruisers, Dimensions of Several Fast, 76
Cruisers “ Edgar” and “Hawke,” First-Class, 12, 75, 80, 3^0. See LETTERS, Trials of**Edgai^' Cryi«tal Palace Electrical Exhibition. See Electrical Exhibition
Cui’ninKham, R.E., Lieutenant-Colonel Allan, on Masonry Arches with Stmi-Free Joints, 657
Current and Electromotive Force, Diagrams Representing, 335
Curtis, Mr. A. H., on Gold Quartz Reduction, 207
Cutters, Milling, 27
Cyclometer, Kansome’s, 23
Cyclone at Chicago Exhibition ; Effects, 503
Cylinder Condensation, 115, 257, 299, 331, 362, 409, 684

Dam, Tansa, Bombay Water Works, 518
Danish Stite Railway ; Breakage of Rails, 533
Davey’s Compensating Lever Pumping Engines, 494
Da.Muard’s Deck Stud, 167
Deadweight on Kailways, 635
December Weather, 49
Decimal System of Coinage, Weights and Measures, 789
Deck Sturt, Daymard’s, 167
Decoratiori of Chicago Exhibition, 26
Dee.p-Tunnel Electric Railroads in London, 144, 235, 630, 664, 716, 769. See also 267
(?eftnee of the Colonie^, 147
Dennis Continuous Wire.Netting Machine, 719
Denny, Mr. A., on the Strength of steamers, 482, 488
Depth of Water; Effect on Speed, 655, 556,691
Detecting Flaws in Metals, 84
Diagiams for Electromotive Force and Currents, 335
Diagrams, Indicator, for Compound Engines, Construction of Theoretical, 339
Diagrams of Metal Prices, 22, 64, 178, 300, 446, 668, 696
Diamond Mining in Europe, 372
Direct-Acting Steam Pump (Messrs. Hulme and Lund, Manchester), 748
Directories, 646
Disappearing Carriage for American Guns, 741
Disappearing Gun Carriages. See Artillery, United States
Disposal of Blast Furnace Slag, 1S7, 243
Disposal of Sewage from Isolated Dwellings, 723
Distribution of Electricity, 147, 176
Distribution of Illumination, Measurement and, 597
Distribution of Power, Hydraulic, 758
Docks, Hamilton, Malta, 550. Hee Letter^ 591
Docks, Propoi-ed Aquisition of Hull 133, 231
Donkin, Jun., Mr. Bryan, and Professor Kennedy on Steam Boiler Experiments, 346
Donkin, Jun., Mr. Bryan, on Sulzer Engine Tests, 77. See also 239
Dorman and Smith at Electrical Exhibition, 176
Douglass, Mr. W. T., on Bishop’s Rock Lighthouse, 268
Dowson’s Gas, Trial of, 203
Drawing Parabolas, Instrument for, 631
Dredge, Mr, James, on the Columbian Exposition, 24, 58, 88
Drill Chuck, Pratt Chuck Company, Clayville, N.Y., 104. See Erratum, 137
Drilling Machine, Horizontal Boring and (Betts Tool Company, Wilmington, U.S.), 87
Drilling Machine (Midgley and Sutcliffe), 569
Dunlop and Co., Messrs. D. J., Yacht “Mira,” 351
Duplex Water Gauge, Richards’, 228
Duties of Resident Engineers, The, 689
Dyer, Colonel H. S., on the Production of Pure Iron in the Basic Furnace, 683, 733
Dynamo and High-Speed Engine(Mesar8. Easton and Anderson, Limited, London), 42, 266
Dynamo. Mordey-Victoria Alternating, 250-Kilo- watt (Brush Company), 317
Dynamo, Pyke and Harris’s Alternate Current, 600
Dynamo, Slow-Speed Steam, Kapp’s (Messrs. Johnson and Phillips), 285
Dynamo, Steam Turbine, Trial of, by Professor Ewing, 52. See LETTERS, Steam Engine Economy
Dynamos, Stray Fields of, 631

Earthquake in Japan, 144,174
Eastern Telegraph Company, 788
Easton and Anderson’s Engines and Dynamos, 42, 266
Economiser Explosion at Blackburn, 667
Economy of Labour on American Railways, 756
Edgar” and “ Hawke” First-Class Cruisers, 12, 75, 80, 330. See LETTER, Trials of “ Edgar" Education of Boys, 661
Education, Technical, and County Councils, 265
Effects of Oil on Skin Friction of Vessels, 20
Efficiency of the Brine Boiler Engine, 408. See also Superheated Steam
Efficiency of 16-ID. Rodman Gun, 343
Efficiency of Screw Propeller, 489, 570. See LETTERS. 535, 555
“Eider,” Floating of the Steamer, 472
Eight Hours’ Bill Rejected, Miners’, 387
“ El Sud,” American Steamer (Newport New’s Shipbuilding Company), 746
Electric Battery Transformer System, 51
Electric Cranes for Passengers at Chicago Exhibition, 758
Electric Decomposition, Common Salt and, 240
Electric Fire Service, 67
Electric Hoist, Siemens’, 67
Electric Hoist. Thomson-Houston, 362
Electric Light Stations, 47, 115, 400
Electric Light Stations, Compound Engine in, 141. See LETTERS, 177
Electric Lighting at Chicago Exhibition, 416
Electric Lighting of the Naval Exhibition, 4, 31, 98
Electric Lighting Station, St. Pancras, 533
Electric Locomotive, 687, 747
Electric Meters, Teague’s, 758
Electric; Prize Projects for Central Power Station 84
Electric Railways in London, 144, 235, 630, 654, 716, 759. See also 267
Electric Station at Copenhagen, The New Municipal, 443
Electric Supply at Newcastle, 728
Electric Tramways, Speeds on, 48
Electric; Trial of a Steam Turbine Dynamo by Professor Ewing, 52. See LETTERS, Steam Engine Economy
Electric Work, The Economic Limits of Large- Power Units in, by William Lee Church, 57, 141
Electrical Directories, 646

Electrical Exhibition (Crystal Palace): 47,81,111,146, 175, 204,237,266, 314, 358, 415, 429, 502, 532,596, 713. See LETTEHS, 115, 211. Ertatum, 7b9

Andrews’ Concentric System of Wiring, 713
Barclay and Sons’ Fittings. 205
Batteries, 314
Batteries, Weymerst h, 429
Bowron’s Educational Apparatus, 786
Brush Company’s Exhibits, 111. See also 317
Carriage (Private) Signal! ng, 786
Cathcart, Peto, and Kadforu Exhibit, 205
Cells, Armstrong Glass, 415
Chubb Safes and Strrmg Rooms, 415
Clamping Down Wire Ends (Sudgen Nut), 415
Crompton-Crabb Arc Lamp, 786
Crompton’s Exhibit, 82, 7 86
Dorman and Snii'h’a Exhibits, 176
Djnamo, Slow-Spe»d, Kapp (Messrs. Johnston and Phillips), 285
Easton and Anderson’s Engines and Dynames, 266 See also 42
Electrical Power Storage Company’s Exhibit, 147
Electro-Magnetic Repulsion Experiments, 727
Epstein Accumulator Company s Exhibit, 147
Fog Signalling, 786
Gas Enuines for Electric Light Stations, 47
General Electric Company’s Exhibit, 147
Gulcher Electric Light Power Company’s Exhibit, 146
Homacoustic Speaking Tube, 415 Instruments, 596
Johnson and Phillips’ Exhibit, 175, 285
Joseph Bourne and Co.’s Exhibit, Ware for Insulators, 175
Laing, Wharton, and Down’s Exhibits, 237
Lamps, Portatile, 532
Light Coin Rejector (Messrs. Napier’s), 532
Little’s Magnetic Electric Machine of 1852, 502
Mayer andOonradty’s Exhibits, 237
Meter, Electrical, 596. See also 758
Mordey-Victoria Alternator, 250-Kilowatt8, 317
Nalder’s Cells and other Exhibits, 431, 502. See also 631
Nalder’s Potentiometer, 431, 502. See also 631
Osier’s Exhibit, F. and Co.’s, 146
Postal Exhibit, 502
Railway Appliances, 786
Railway Signalling (a’axby and Farmer), 786
Rynald’s Insulators, andc., 204
South of England Manufacturing Company, 205, 266
J. Spencer of Wedntsbury, Exhibit of, 204
Surgical Appliances, 815
Switch, Mr. A. P. Lundberg, 429
Switch, Sudgen, 415
Teague Electric Meter, 768
Thomson-Houston Appliances, 237
Thomson-Houston Electric Winding Gear, 362
Thomson, Sir Wm., Instruments, 596
Thomson, Wattmeter, 237
Time Register, Aubert’s and others, 431
Transformers, 111
Tube Cutters, Webb’s, 786
Tubulous Boilers, 82
Vanderpoel-Thomson Rock Drill, 237
Waygood’s Lift, 237
Wilson Hartnell’s Dynamos and Mains, 204
Woodhouse and Rawson’s Exhibit, 358

Electrical Exhibition at Falmouth, 729
Electrical Exhibition at St Petersburg, 206
Electrical Experiments at Royal Society Conversazione, 562, 755
Electrical Instruments, 631, See also 431, 502
Electrical Instruments, Some, 405
Electrical Laboratory, Sir William Siemens’
King’s College, 270
Electrical Measuring Instruments, 522
Electrical Power Storage Company at Electrical
Exhibition, 147
Electrical Section, Chicago Exhibition, 405
Electricity, Alternate Currents of High Frequency, 171, See also 562
Electricity Applied to Metallurgy, 93
Electricity, Chronological History of, by Mr.
P. F. Mottelay, 59, 90, 122, 182, 273, 305
Electricity, Compound Horizontal Engine.
Messrs. Ruston, Proctor, and Co., Lincoln, 117
Electricity, Distribution of, 147, 176
Electricity, Electromotive Force of Secondary Batteries, 781
Electricity, Electromotive Forces of Gold and Platinum Cells, 405
Electricity with Heat, On the Correlation of, 151
Electricity, Interference with Alternate Currents, 21
Electricity, Lane-Fox Patent Case, 416
Electricity, The Light of Arc Lamps, 565
Electricity, Measuring Magnetic Fields, 631
Electricity, Nalders’ Potentiometer, 429, 502. See also 631
Electricity in the Navy, 563
Electricity, New Telephone Company, 661
Electricity, Pyke and Harris’s Alternate Current Dynamo, 600
Electricity, Secondary Batteries, 628, 660
Electro-Magnetic Repulsion, Experiments on, 727
Electro-Magnetic Vibrations, Maintenance of, 147
Electromotive Force and Currents, Diagrams, 335
Electrotechnif 8, 147
Elevated Railroad at New York, 729
Embankment, Reservoir, Underpinning, 609, 646
Embossing Pipe by Hydraulic Pressure, 597
Employers’ Liability, 758
Employment of Ships. 384
Engine, Capitaine’s Petroleum Motor, 10. See LETTERS, Capitaine, <0c.
Engine, Compound, in Electric Light Stations, 141. See LETTERS, Compoitnd Engine
Engine, Compound Horizontal, Messrs. Ruston, Proctor and Co., Lincoln, 117
Engine, Cylinder Condensation, 584 Engine Economy, Steam, 115 Engine, Gas, Andrews, 772 Engine, Gas, Campbell, 525, 772
Engine, Gas, Crossley Brothers’, 55, 773 Engine, Gas, Economy, 203
Engine, Gas, Fielding and Platts’, 772 Engine, Gas, Robeys’, 772 Engine, Gas, Roots’, 167 Engine, Gas, Tangyes’, 772
Engine, Gas, Wells’, 772
Engine, High-Speed, and Dynamo (Messrs.
Easton and Anderson, London), 42. See also 266
Engine, Horizontal, with Muncaster’s Valve- Gear (Lillieshall Company), 686
Engine, Horizontal, with Positive Corliss Valve Gear (Messrs. Cole, Marchent, and Morley), 791
Engine, Mill, for Melbourne, Triple-Expansion, 584
Engine, Oil, Crossley Brothers, 771
Engine, Oil, Hornsby-Akroyd, 772
Engine, Oil, Penny’s, 772
Engine, Oil, Priestman’s 353
Engine, Oil, Robey’s, 770
Engine, Oil, Weyman’s, 772
Engine Performances of H.M. Ships, 492, 636
Engine, Roots’ Gas, 167
Engine, Steam, Considered as a Thermodynamic Machine, 64. See LETTER, Gondensationy tOc., 115, 299
Engine, Tandem Compound (Messrs. Ross and
Duncan, Govan), 226
Engine Tests, 77, 239
Engine Trials of Naval Ships, 455, 462, 509. See also 492, 636. ^See LETTERS, Trial Trips and Experiences v)itH Her Hajestifs Ships
Engines, Balancing of Marine, 435, 462. See LETTERS, Balancing Marine Engines
Engines, Compound, of American Ferry Steamer “ Bremen” (Messrs. Fletcher), 222, 263
Engines, Compound, Construction of Theoretical Indicator Diagrams, 339
Engines, Compound, of Paddle Steamer “ Koh-i- Noor” (Fairfield Company, Govan), 654, 687
Engines, Crossley, 60 Horae-Power Gas, 55. See 773
Engines, Davey’s Compensating Lever Pumping, 494
Engines, Gas, Electrical Exhibition, 47. See LETTERS.
Engines, Gas, for Hydraulic Power Station, 187, 210. See also 196
Engines, Gas and Oil, 131, 770
Engines for Hydraulic Power Stations, 187, 210. See also 196
Engines, Marine, Trials, 681, 586,633
Engines, Oil, Priestman’s Portable, 770. See also 3^3
Engines, Oscillating Compound, of the Ramsgate Salvage Steamer •* Aid” (Messrs. W. Allsup and Sons, Limited, Preston), 286
Engines, Petroleum, 321. See also 770
Engines, Pumping, Worthington High-Duty, 194
Engines, Steeple Compound, of Ferry Steamer ‘•Cincinnati,” Pennsylvania Railroad Company, 39, 69. See LETTERS, 116, 208
Engines of the Torpedo Depot Ship “Pelican’ (Mr. Schichau, Germany), 525
Engines, Triple-Compound, of Yacht “Mira” (Messrs. D. J. Dunlop and Co.), Port-Glasgow, 351
Engines, Triple-Expansion, of American Steamer “ElSud” (Newport News Shipbuilding Company). 746
Engines, Triple Expansion, Twin-Screw, “FUrst B^marck” (Vulcan Company, Stettin), 407, 497, 606. See Letter, 445, 655
Engines, Triple-Expansion, Twin-Screw Steamer “ Pelotas” (Messrs, Wigham, Richardson, and Co.), 716
Engines, Twin-Screw Triple-Expansion, First- Class Cruisers “ Edgar” and “ Hawke” (Fair- field Company, Govan), 12, 75, 80, 330. See LETTERS, **Trials of Edgar'*
Engineering Branch, United States Navy, 264
Engineering Field Book, 151
Engineering Laboratory, Notes from, 54
Engineering in the United Kingdom, 1891, 8, 39, 72, 114, 117, 146, 534. See LETTER, “ Endy- wion" and** Qyhirf 152
Engineers’ Catalogue, 361
Engineers in India, 20. 53, 747
Engineers, Naval, 534, 753
Engineers, Resident, The Duties of, 689
Engineers and their Salaries, 474
Engineers, Training of Royal Naval, See LETTERS, Keyham, 311
England, shipbuilding in, 72.117,146
English and American Railway Tratfic, 16
English, Lieut.-Col., on Cylinder Condensation, 584
English Railways, Parliamentary Coats of, 79
Epstein Accumulator Company at Electrical Exhibition, 147
Equatorial Telescope (Sir Howard Grubb), 748
Estimates, The Navy, 755
Ether, Our Knowledge of, 759
Ethnological Museum, Chicago Exhibition, 59
Eudiometer, by Dr. W. Marcet, 562
European Electric Light Stations, 400
Ewing, Professor, on Trials of Steam Turbine Dynamo, 52. See LETTER, Steam Engine Economy
Exhibition, Chicago. See Columbian Exposition
Exhibition, Electrical. See Electrical
Exhibition, Electrical, at St. Petersburg, 206
Exhibition at Falmouth, Electric, 729
Exhibition, Naval. See Naval Exhibition
Exhibition, Naval, Electric Lighting of, 4, 31, 98
Exhibition, South African and International, 619
Exhibits at Chicago, Classification of, 88
Experiments on Electro-Magnetic Repulsion, 727
Explosion at Blackburn, Economiser, 667
Explosion, Boiler, at Bolton, 698
Explosion, Boiler, at Burnley, 526
Explosion, Boiler, at Falmouth, 335
Explosion, Boiler, at Halifax, 273
Explosion, Boiler, at Stewarton, 120
Explosion, Boiler, at Wolverhampton, 242
Explosions, Boiler, 152
Explosions, Boiler, in Germany, 267
Explosives, 629. See Paragraph, 687
Exports of Iron and Steel, Production and, 757
Express Locomotive for the Eastern Railway of France, with Flaman Boiler, 391, 432, 507
Express Speeds on Great Northern Railway, 208
Factory Legislation in the Netherlands, 499
Falls of Niagara. Utilisation (Design by M. Ganz, Buda-Pesth). 22S
Falmouth, Boiler Explosion at, 335
Faraday’s Galvanometer. 743
Fares, French Railway, 360. See Letter, 389 Fast Atlantic Steaming, 416, 565. See Letter, 591
February Weather, 296
Federation and Colonial Defence, 147
Feed Water Heating, 409, 474, 493, b55
Fehce, Howies’ Automatic Snow and Sand, 152, 333
Ferry Boats, American, Early Examples of, 222
Ferry Steamer “ Bremen,” American. 222, 253
Ferry Steamer “Cincinnati,” Pennsylvania Railroad Company’s, 89, 69. See LETTERS, 116, 208
Ferry Steamer “ John G. McCulloch,” 208
Fidler, Professor T. Claxton, on Hydraulic Machinery for Swing Bridges, 245
Field Gun, 3.64n. Heavy, 485
Field Guns. See Artillery, Modern United States
Field Howitzers and Motors, 500
Fielding and Platts’ Gas Engine, 772
Filter Beds, Sand Washing Apparatus for, 621
Filtration of Sewage, Experiments by Massachusetts Board,,.228, See also723
Fine Art Section, Chicago Exhibition, 139
Fine Arts Building, Chicago Exhibition, 24, 318, 316, 375
Fire Engine, Siemens and Merryweather, 67
Fire Extinguisher, Bucket, 104
Fire Hose, The Inside Surface of, 630
Fire Mains, High Pressure, 176
Fire, Protection against, 116
Fire Protection, Chicago Exhibition, 59
Fire Pump, Steam, 668
Firedamp, Sensitiveness of Safety Lamp Flames to, 503. See also 563
Fires in Bunkers, 445, 474
First-Class Cruiser “Grafton” (Thames Iron Co, London), 180
Fish-Plate, Whytehead’s Tramway Joint Chair and,584
Fisheries Building, Chicago Exhibition, 25
Fixed Defences and the Navy, 691
Flaman Boiler, Express Locomotive for Eastern
Railway of France, 391, 432, 607
Flames, Luminosity of, 268
Flaws in Metab, Detecting, 84 Flexible Tubing, 387
Floating of the Steamer “ Eider,” 472 Florida, Phosphates of, 373
Flying Machines, 154, 393, 628. See also 236 Fogs, 53
Forbes, Professor George, on the Distribution of
Electricity, 147,176
Forced Draught, 177
Forced Draught Boilers in the Navy, 365, 625, See also 367. See LETTERS, Navy Boilers
Forced Draught Boilers of Yacht “ Mira,” Messrs. D. J. Dunlop and Co., Port-Glasgow’, 351
Forced Draught, Failure of Boilers, 625. See also 355, 357. See LETTERS, Boilers^ Navy
Foreign Trade Development, Britain and, 471, 624. See also 729. See Erratum^ 542
Foreign Trade, Ten Years’ Changes in Britain’s, 472
Forge for Field Battery, 517
Formosa and its Railways, 369, 546, 577, 673
Formula) for Long Columns, 591
Foundations of Piers, andc., Underpinning, 609, 646
Foundations of Timber, 412. See LETTERS, Load on Piles
Fradley, Davey’s Compensating Lever Pumping
Engines at, 494
France Labour Legislation, 593
France Railway Express Locomotive with Flaman
Boiler, 391, 432, 507
France Railway Fares Reduced, 389
French Canet v. Krupp Guns, 17, 68, 98, 126, 159, 238, 413, 614, 692, 712
French Miners’ Wages, 413
French Navy Programme, 687
French Railway Fares, 360. See Letter^ 389 French Roads, 503
French Sternwheel Gunboat (Yarrow), 685 French Tariffs, New, 172
French Torpedo Boat, 114
French Torpedo Boat “ Condor,” 632
French 115-Ft. Torpedo Boats, New, 330
Friction, Research Committee Report, Institution of Mechanical Engineers, 186
Friction of Vessels, Effect of Oil on Skin, 20
Froude, Mr. R. E., on Constant Notation at the Admiralty Experimental Works, 492, 542
Froude, Mr. R. E., on the Dimensions of Propellers, 490, 605
Froude, Mr. R. E., on the Race Rotation of the Screw Propeller, 489, 570. See LETTERS, 535, 556
Fuel Efficiency and an Optical Pyrometer, 710
Fullerton, Captain J. D., on Modern Aerial
Navigation, 628. See also 236
Furnace Hearths and Boshes, Blast, 425
Furnace, Interchangeable Winged (Leeds Forge Co), 228
Furnace Stoker, Circular (St. Clair Company), 447
Furnace Valves, Openhearth, 710, 733
Furnaces, Steam Jets in, 619, 656
“FUrst Bismarck,” Hamburg-American Twin- Screw Steamer (Vulcan Company, Stettin), 407, 497, 606. See LETTERS, 445, 655
Fuzes. See Artillery^ Modern United States
Fuzes for Field Gun Ammunition, 486
Fuzes and Primers, 345

Galvanometer, 405
Galvanometer, Faraday’s, 743
Ganz Scheme for Utilisation of Niagara Falls, 228
Garbage Disposal from Isolated Dwellings, 723 Gas, Carburetting of, 793
Gas Engine, Andrews’, 772
Gas Engine, Campbell, 525, 772
Gas Engine, Crossley Brothers’, 773
Gas Engine, Crossley 60 Horse-Power, 66
Gas Engine Economy, 203
Gas Engine, Fielding and Platt’s, 772
Gas Engine Impact Governor, Wells’, 772
Gas Engine, Robey’s, 772
Gas Engine, Roots’, 167
Gas Engine, Tangyes’, 772
Gas Engine, Wells’, 772
Gas Engines for Electric Lighting, 47. See LETTERS
Gas Engines for Hydraulic Power Stations, 187, 210. See also 196
Gas Furnace Valves, 710, 733
Gas and Oil Engines, 131, 770
Gas Purifier Conveyors at the Salford Gas Works, 524
Gauge, Broad, The Last of the, 657, 690
Gauge, Duplex Water, Richards’, 228
Gauges of American Railroads, 502
Gauges for High-Pressure Gas, Pressure, 134. See Letter
Gems of the Ural Mountains, 372
General Electric Company at Electrical Exhibition, 147
“ Genetic,” Boiler, 209
Gerdom Breechloading Mechanism. See A-Ttil- lery^ Modern United Spates
German v. French Guns, 17, 68, 98, 126,169, 238, 413, 614, 692, 712
German Miners’ Wages, 413
German Patent Laws, 293
Germany, Boiler Explosions in, 267
Germany and the Chicago Exhibition, 227, 246
Gilchrist and Thomas Patents, 268
Girder and Beam Bridges, 229
Gladstone, Dr. J. H,, on Secondary Batteries, 628, 660
Glasgow. See Notes from the North
Glasgow Central Railway, 641, 674
Glasgow, Engineering Works at (Glasgow Statistics), 36
Glasgow High-Pressure Water Scheme, 693
Glasgow and South-Western Railway, Ballasting Wagon for the, 270
Gold Quartz Reduction, 207
Goldfields, Queensland. See Queensland
Goodall, Mr. K. C., on Whaleback Steamers, 459, 639
“Goodwill,” Shallow-Draught Steamer (Messrs. Thornj croft), 731
Gossan Lead of Virginia, 373
Government Building, Chicago Exhibition, 601, 620, 664, 715
Government and Inventors, 201, 233, 579, 603, 635. See also Army Estimates, 327
Government Manufactures and Private Trade, 201, 233, 579, 603, 635. See also Army Esti- mates, 327
Government and the Telephones, 387. See also 706
Government Workshops, 535. See Government Manufactures and Private Trade
Governor, Impact, for Gas Engine, Wells’, 772
Grafton, First-Class Cruiser (Thames Iron Company, London), 180
Graphoscope, Aerial, 405
Graving Dock (Hamilton), Malta, 650. See LETTERS, 591
Grazi-Tsaritsin Railway, Russia, Intercommunication, 122. See LETTER, Train Communication
Great Eastern Railway Mixed Traffic Locomotive, 653
Great Northern Railway, Locomotive Running on, 208
Great Western Railway, Conversion of Broad Gauge, 657, 690
Great Western Widening Works, 401
Greater Britain, Compound Locomotive, London and North Western Railway, 53
Gresham College, 561
Grinding Mill and Separator, 776
Grinding Mill (Sturtevant), 373
Grouting and Stock Ramming, Underpinning by Means of, 609, 646
Grubb, Sir Howard, Equatorial Telescope, 748
Gulcher Electric Light Power Company at Electrical Exhibition, 146
Gun, How Fast a Single-Barre Machine Gun may be Fired, 388
Gunboat, Sternwheel, for France (Yarrow). 685
Guns. See Artillery, Modern United States Guns, Canet v. Krupp, 17, 68, 98, 126, 169, 238, 413, 614, 692, 712
Guns in the Navy, Quick-Firing, 172. See LETTER, Naval Warfare, 212

Halifax, Boiler Explosion at, 273
Hall’s Anchor, 697
Hamburg-American Twin-Screw Steamer, “ FUrst Bismarck” (Vulcan Company, Stettin), 407, 497, 606, 655. See Letter, 445
Hamilton Docks, Malta, 550. See Letter, 591
Hamilton, R.N., Lieutenant, on Electricity in the Navy, 563
Hammer, Longworth’s Power (Samuelson and Co., Banbury), 419
Hampton, Davey’s Compensating Lever Pumping Engines at, 494
Harbour, Proposed Acquisition of Hull, 133, 231
Harness for 3-In. Rifle, Model 1889, 454
Hartlepool, Shipbuilding at, 72,146
Hawdon, Mr. William, on the Disposal of Blast Furnace Slag, 187, 243
“ Hawke,” First-Class Cruiser, Engines and Boilers, 12, 75, 330. See also 80 and LETTERS, Trials of “ Edgar"
Health Resorts and Meteorological Conditions, 363
Hearths and Boshes, American Blast Furnaces, 425
Heat, On the Correlation of Electricity with, 151
Heat Engines and Saline Solutions, 475
Heating Appliances, Railway Car, 301
Heck, Mr. J. H., on Tests for Petroleum Vapour, 489
Hedge Cutter, Barnard’s, 776
Hendon, Sewerage Works at, 632
H.M. Cruisers, Trials, 492, 636
H.M.S. “Grafton” (Thames Iron Company, London), 180
H.M.S. “ Ramillies,” 286. See LETTERS
H.M.S. “Royal Sovereign,” 530, See also 658
H.M. Ship Trials, 455, 462, 509. See also 492
H.M.S. “ Victoria” Aground, 455, 462, 509
H.M.SS. “Edgar” and “Hawke,” First-Class Cruisers, 12, 75, 80, 330. See Letter
Hermitage Harbour Breakwater Underpinning, 646. See also 609
High Pressure Fire Mains, 176
High-Speed Engine and Dynamo (Messrs. Easton, Anderson, and Co., Limited, London), 42
High-Speed Locomotives, 115, 164, 208
Highlands, Railways in the Scotch, 416
Hoboken Ferry Company’s Steamer “ Bremen,” 222, 253
Hofman. The Late Professor Augt. W., 630
Hoist, Electric, Siemens, 67
Hoist, Klectric, Thomson-Houston, 362
Hoist Passenger, Braithwaite’s, 777
Hoists, Hydraulic, 187, 210
Hbk, Mr. W., on a Rapid Stability Rule, 488. See Letter, 535
Holophote, Siemens, 4, 31
Homacoustic Speaking Tube, 415
Horizontal Boring and Drilling Machine (Betts Tool Company, Wilmington, United States), 87
Horizontal Boring Machine, Asquith’s, 684
Horizontal Engine with Positive Corliss Valve Gear (Messrs. Cole, Marchent, and Morley), 791
Hornsby-Akroyd Oil Engine, 772
Hose, Fire, The Inside Surface of, 630
Howard Vincent, Mr., on the Relation between
Britain and the Colonies, 788
Howden’s Forced Draught, 177
Howie’s Snow and Sand Fences for Railways, 152, 239, 333
Howitzer, 7-In. Breechloading, 678
Howitzer 30.5 Cent. (12.01 In.) Cast Iron, 320
Howitzer. See Artillery^ Modern United States Howitzers and Mortars, Field, 500
Hull Docks, Proposed Acquisition, 133, 231
Hull Shipbuilding in 1891, 118, 146
Hulme and Lund’s Steam Pump, 748
Hulse and Company’s Planing Machine, Horizontal and Vertical, 198
Hunter and English’s Sand-Washing Apparatus for Filter Beds, 621
Hurricane at Mauritius, 724
Hurricane over the West Indies 1891, 504
Hydraulic Distribution of Power, 768
Hydraulic, High-Pressure Fire Mains, 176
Hydraulic Machinery of Swing Bridges, 245
Hydraulic Power Distribution, 187, 210
Hydraulic Power Supply Station, 196, 266. Sde also 187,210
Hydraulic Pressure, Embossing Pipes, 597
Hydraulic Sheerlegs at West Hartlepool, 80-Ton (Messrs. Russell and Co., Motherwell), 379
Hydraulic Water Scheme for Glasgow, 693

Illumination, Measurement and Distribution of, 597
Implements, Agricultural, 773
Indian Public Works Department, 20, 63, 747 Indian Railways, 724. See 794
Indicator Diagrams for Compound Engines, Construction of Theoretical, 339
Industrial and Liberal Arts Buildings, Chicago Exhibition, 194, 226, 283, 792
Industrial Notes, 23, 56,87. 119. 149, 179, 209, 241, 271, 302, 334, 362, 391, 420, 447, 478, 508, 538, 669, 601, 634, 666, 697, 731, 761, 793
Industrial Remuneration, 278
Influenza and the Weather, 240
Inman Line, Subsidy by United States Government, 566
Institution of Civil Engineers. See Civil Engineers
Institution of Mechanical Engineers. See Mechanical Engineers
Institution of Naval Architects See Naval
Architects
Instruments, Electrical, 405, 596
Intercontinental Railway of America, The Proposed, 303
Internal Navigation, The International Congress on, 659
Ireland, Shipbuilding in 1891,118,146
Iron, Chilled Cast, 708
Iron Corner (Pig), Collapse of the, 267
Iron, Elimination of Sulphur from, 703, 707
Iron and Nickel, Volatile Compounds containing, 340. See LETTER, Nickel^ tfec., 388
Iron Production in America, 330
Iron Production in Basic Furnace, 683, 733
Iron Production, Cost of (McKinley Tariff), 501
Iron y. St‘»el Boiler Tubes, 784
Iron and Steel, Elastic Tests of, 277, 310

Iron and Steel Institute :

Report of Council, 679
Bessemer Medallist (Mr. Arbher Cooper), 679
President’s Address (Sir Frederick Abel), 679 On Experiments with Basic Steel, by Mr. W. H. White, C.B., F.R.S., 682, 699
On the Production of Pure Iron in the Basic Furnace, by Colonel H. S. Dyer, Elswick Works, 683,’733
On Experiments on the Elimination of Sulphur from Iron, by Mr. E. J. Ball, Ph.D., and Mr. A. Wingham, F.LC.. London, 703, 707
The Manufacture and Application of Chilled Cast Iron, by Mr. E. Reimers, 708
On Platinum Pyrometers, by Mr. H. L. Callendar, London, 709, 762
On Valves for Open-Hearth Furnaces, by Mr.
J. W. Wailes, Calderbank, near Glasgow, 710
On a Practical Slide-Rule for Use in the Calculation of Blast Furnace Charges, by Mr. A. Wingham, F.I.C., London, 710
Notes on Fuel and its Efficiency in Metallurgic Operations, by Mr. B. H. Thwaite, Liverpool, 710

Iron and Steel Production and Exports, 757
Iron and Steel in Sweden, 570
Iron Trade (British) and the Chicago Exhibition, 757
Iron Trade, Home and Foreign, 234
Iron Trade Statistics, British, and McKinley Tariff, 114
Ironclad. See Battle-Ships and Cruisers
Isler’s Well-Boring Plant, 776

James, Captain W. H., on Magazine Rifles, 724
January Weather, 204
Japan, Earthquake in, 144,174
Jeans, Mr. J. S., on the Recent Movements of Labour, 627
Jet Propulsion, See Shallow Draught Steamer (Messrs. Thornycroft), 731
Jib Crane, 20-Ton Travelling (Messrs. Cowan, Sheldon and Co., Carlisle), 149
Johnson and Phillip at Electrical Exhibition, 176, 285
Jones, Mr. H. B., on Military Ballooning, 236. See also 628

Kapp, Slow-Speed Steam Dynamo (Messrs. Johnson and Phillips), 285
Kelvin, Lord (Sir William Thomson), Electrical Instruments, 596
Kennedy, Professor, on Engine Trials of “ Ville de Douvres,” 581, 586, 633
Kennedy, Professor, on Steam Boiler Experiments, 346
Keyham College, 311. See LETTERS, Engineers' Training.
King’s College, Sir William Siemens’ Electrical Laboratory, 270
Kinipple, Mr. W. R., on Underpinning by Means of Grouting and Stock Ramming. 609, 646
Kitchen Boilers, Danger of Circulating, 41
“Koh-i-Noor” Thames Paddle Steamer (Fairfield Company, Govan), 654, 687
Krupp V, Canet Guns, 17, 68, 98, 126, 159, 238, 413, 614, 692, 712

Laboratory, Electrical, Sir William Siemens’, King’s College, 270
Laboratory, Notes from an Engineering, 277, 310
Labour on American Railways, Economy of, 766
Labour Legislation in France, 593
Labour Legislation in the Netherlands, 499
Labour Problems, Industrial Remuneration, 278
Labour Questions. See T^idiistrial Notes Labour, The Recent Movements of, 627
Labour Statistics, Trade Unions, 411
Laing, Wharton, and Down at Electrical Exhibition, 237
Lairage, Woodside, Birkenhead, 615
Lamp, Arc, andic., at Naval Exhibition (Messrs. Siemens), 4, 31
Lamp, Crompton-Crab Electric, 786
Lamp, Sensitiveness of Safety Lamp Flame to Firedamp, 503. See also 563
Lamps, Electric, 532
Lamps, The Light of Arc, 565
Lamps, Portable Electric, 532
Lane-Fox Patent Case. 416
Lang’s Surfacing and Boring Lathe, 761
Lathe, Surfacing and Boring (Messrs. Lang, Johnstone), 761
Launch with Petroleum Engine, 694
Launches and Trial Trips, 9, 41. 84, 107, 148, 206, 227, 261, 300, 319, 349, 394, 422, 436, 476, 493, 505, 536. 591, 624, 695, 721, 751, 782
Lead of Virginia, Gossan, 373
Leaky Tubes, 625, 784. See also 355, 357. See LETTERS, Boilers Navy.
Legal, City and South London Railway Company, 267
Legal, Protraction of Patent Litigation, 238
Legislation, Labour, in France, 593
Lewes, Professor Vivian, B., on the Carburetting of Gases, 793
Lewes, Professor Vivian B., on Luminosity of Flames, 268
Leyden Jars, 562
Liability of Employers, 758
liberal Arts Building, Chicago Exhibition, 191, 226, 283, 793
Lift, Electrical, 237
Lifting Appliances, Morgan’s Crane and, 665
Light, Action, on Silver Chlorine, Thermodynamical View nf the, 393
Light of Arc Lamps, 565
Light Coin Rejector (Messrs. Napiers’), 532
Light and Colour, Unit of Measurement of, 631
Lighthoujes, Bishop’s Rock and Tory Island, 268
Lighting, Electric, Chicago Exhibition, 416
Lighting, Electric, of the Naval Exhibition, 4, 31, 98
Lighting, Electric, at Newcastle, 728
Lightingstation, Electric, St. Pancras, 533
Limber for 3-In. Rifle, Model 1889. 454
Limbers for Guns. See Artillery Modern United States
Linde Refrigerating Machines, Tests of, 550
Lister, Mr. R. R., on Milling Took and Appliances. 27
Lister’s Milling Machines (Keighley), 256
Literature, 19, 34. 04, 93, 131, 205, 219, 249, 278, 400, 485, 545, 646
Litigation, Protraction of Patent, 238
Little’s Magnetic Electric Machines of 1852, 502
Liverpool and the Chicago Exhibition, 177
Liverpool Hydraulic Supply Station, 1S7, 210
Liverpool Lairage, 615
Liverpool Overhead Railway, 21
Liverpool and Transatlantic Trade, 177, 208, 154
Liverpool Water Works, Aqueduct Tunnel under the Mersey. 16, 387, 739, 767
Liversidge, Mr. J. G., on Engine Performances of H.M. Ships, 492, 636
Lloyd’s Shipwrecks Return, 330, 597
Lloyd’s Shipping Registry, 237
Load on Piles, Allowable, 553. See Timber Foundations
Loads for Bridges, Typical Train, 114
Locks, Air, Mersey Tunnel, 767
Locomotive, Bogie Tank, 20, 63
Locomotive Boiler Experiments, 346
Locomotive Boiler in South Africa, 54
Locomotive Building at Stratford, 20
Locomotive, Electric, 687, 747
Locomotive, Express, for the Eastern Railway of France, with Flaman Boiler, 391, 432, 507
Locomotive, London and North-Western Railway, “Greater Britain ” Class, 63
Locomotive ’ ?*
Locomotive, way, 653
Locomotive 583
Locomotive Running on Great Northern Railway, 208
Locomotive, Tank for New Zealand Government Railway, 136
Locomotives, High-Speed, 115, 154, 208
Lodge, Professor, on our Knowledge of Ether, 759
London and Birmingham Water Supply, 265, 294, 326, 383, 404, 444, 446, 018, 651, 718, 778
London, Chatham, and Dover Railway Manager, 360
London Deep-Tunnel Electric Railroads, 144, 235, 630, 654, 716, 769
London and North-Western Railway “ Greater Britain ” Class Locomotives, 63
London and North-Western Railway Results, 529
London, Proposed New Radwavio, 144, 235, 328, 376, 404, 444, 566, 687. See Letter, 618

London Societies:

Royal Institution, 50, 83,112,191, 297, 329,386, 742
London and South-Western Railway, Signalling System at Waterloo Station, 650, 779
London, Teaching University for, 561
London Water Supply, 265, 291, 326, 383, 446, 618, 651, 718
Long, Rear-Admiral S., on Quick-Firing Guns in the Navy, 172. See LBTTBR, Naval WarfaeCi 212
Longworth’s Power Hammer (Messrs. Samuelson and Co., Banbury), 419
Loss of Life at Sea, 330, 697
Luminosity of Flames, 268

McCormick, Mr. R. S., on British and American Trade, 439, 449, 640, 672
Machine Gun, How Fast a Single Barrel Gun may be Fired, 388
Machinery Defects in Naval Vessels, 357. See also 625 and Boilers^ Faihire of Navy
Machinery Hall, Chicago Exhibition, 7, 37, 72, 103, 130, 163, 226
Machinery, The Rating of, 53, 205, 409, 443, 469, 550, 663
Machinery for Swing Bridges, Hydraulic, 245
McKinley Tariff, 501
McKinley Tariff, British and American Trade, 439, 449, 540, 672
McKinley Tariff and Iron and Steel Trades, 114
McKinley Tariff and Tin-Plate Works in United States, 416, 418, 600
Magazine Rifles, 724
Magnetic Fields, Measuring, 631
Magnetic Ores of North Carolina, 373
Maidenhead Bridge Widening Works, Great Western, 401
“Majestic,” Fast Passages, 306, 323, 416, 566
Malta, Hamilton Docks, 550. See Letter^ 591

Manchester Ship Canal:

Annual Meeting and the Finances, 299
Contracts for Sections, 349
Corporation, Position of, 269 Finance, 169, 299
Letting Work out by Contract, 133
Shareholders’ Association, 227
Staff, Reorganisation of, 43,136

Manchester Water Works:

Air Valves, 33
Bridges on Line of Aqueduct, 102
Prestwich Reservoir, 161
Reflux Valves, 33
Reservoir, Prestwich New, 161
Stop Valve, 33 Valves, 33
Manners, Mr. C. R., on Bridgebuilding, 1, 32, 63, 96, 125,157, 185, 219, 260, 280. See also 309
Manoeuvring of British Naval Ships, 456, 462, 609, 492, 636. See LETTERS. Trial Trips
Mansion House Meeting ; Chicago Exhibition, 357. See LETTERS
Map, Construction of a Colour, 603 March Weather, 471
Marine Boilers. See Boilers
Marine Boilers, Distribution of Temperature in, 660. See LETTERS
Marine Engine Trials, 681, 686, 633. See also Trials
Marine Engines. See Engines
Marque Screw Propeller, 42
Marth Gas, Accident to a Steamer, 389
Martell, Mr. B., on Water-Tight Bulkheads, 441, 479
Martinez Rivas Palmer, Bilbao, 597, 622,655
Maryland Steel and Pottery Works, Baltimore, U.S.A., 615
Masonry Arches, 125, 157, 186, 309
Masonry Bridges with Semi Free Joints, 557
Massachusetts Board’s Sewage Filtration Experiments, 223. See also 723
Matthews’ Water Softening Plant, Southampton Water Works, 318
Mauritius Hurricane, 724
Maxon’s Drive Chain, 776
May Weather, 691
Mayer and Conradty at Electrical Exhibition, 237
Measurement of High Temperatures, 664
Measurement of Illumination, 697
Measures, Decimal System of Coinage, Weights and,789
Measuring Instruments, Electrical, 522

Mechnnical Engineers, American .Society of:

Transcontinental Trip to San Francisco, 84, 565
Mechanical Engineers, Institution of. See Letter, 2i0
Council’s Report, 186
Friction, Research Committee’s Report, 186
Steam Jacket, Research Committee’s Report, 186
Alloys, Research Committee’s Report, 186
Notes on Mechanical Features of the Liverpool Water Works, and on the Supply of Power by Pressure from the Public Mains and by other Means, by Mr. Joseph Parry, 187, 210
On the Disposal and Utilisation of Blast Furnace Slag, by Mr. William Hawdon, 187, 243
Annual Dinner, 666
Presidential Address by Dr. William Anderson, F.R.S., 679, 603. 635
Report on Trial of the Steamer “ Ville de Douvres,” by Professor Kennedy, 681, 686. See also 683'
Condensation in Steam Engine Cylinders during Admission, by Lieut.-Colonel Thomas English, 584
Mechanical Stoker (St. Clair Company), 447
Mechanics, Applied, Lessons in, 219
Mechanics, Some Illustrations of. By S. Tolver Preston, 315
Medico-Electrical Apparatus, 314
Merchant Fleets of British Ports, 114
Merryweather’s Fire Engine Electrically Operated, 67
Mersey. Aqueduct Tunnel under the, 16, 387, 739, 767
Mersey Shipbuilding in 1891,118,146
Metacentric, An Approximate Rule for the Centre of Buoyancy, 460
Metal Price Diagram, 22, 54, 178, 300, 446, 568, 696
Metallurgical Section, Chicago Exhibition, The British, 116
Metallurgy, Electricity Applied to, 93
Metals, Detecting Flaws in, 84
Metals at High Temperatures, 202
Metcalfe, Mr. William, on the Physics of Steel, 50. | See LETTERS, Physics of Steel '

Meteorological Society, Royal:

The Untenability of an Atmospheric Hypothesis of Epidemics, by Hon. Kollo Russell, 240
Origin of Influenza Epidemics, by Mr. H. Harries, 240
Report on the Phenological Observations for 1891, by Mr. E. Mawley, 240
Note on a Lightning Discharge at Thornbury, Gloucestershire, July 22, 1891, by Dr. E. H. Cook,240
Exhibition, 323, 353
Value of Meteorological Instruments in the Selection of Health Resorts, by Dr. C. Theodore Williams, 353
Anemometer Comparison, by Mr. W. H. Dines, 504
Hurricane over the West Indies, August 18 to 27, 1891, by Mr. F. Watts, 504
Raindrops, by Mr. E. J. Lowe, 632
Results of a Comparison of Richards AnemoAnemograph with the Standard Beckley Anemograph at the Kew Observatory bv Mr. G M. Whipple, 632
Levels of the River Vaal at Kimberley, South Africa, with Remarks on the Rainfall of the Watershed, by Mr, W. B. Tripp, 632
English Climatology, 1881-90, by Mr. F C Bayard, 747
The Mean Temperature of the Air on each Day of the Year at the Royal Observatory', Greenwich, on the Average of the Fifty Years 1841-90, by Mr. W. Ellis, 747
Meteorology and Health Resorts, 353 Meter, Electrical, 5P6. See also 758 Meters. See Electrical Exhibition Meters for Boilers, Water, 686, 747 Meters, Teague’s Electric, 758 Metropolitan Bogie Tank Locomotive, 20, 53 ^446°P6°8*^^5?'^718*^ 265, 294, 326, 383',
Middlesbrough. See Notes from Cleveland Midgley and Sutcliffe’s Drilling Machine, 569
Military Ballooning. 236. See also 628
Milking Machine, Nicholson’s Danish, 776
Mill of Ash Tunnel on Caledonian Railway. Removal, 346 ’
^584^”^*”^ Melbourne, Triple-Expansion,
Milling Machine, Double-Head (Messrs. Pratt V^^^"ey Company, Hartford, Connecticut, U.S.A.), 104
Milling Machines (Messrs. Lister, Keighley),
Milling Tools and Appliances, 27
Miners’ Eight-Hours Bill Rejected, 387
Miners’ Stoppage (Restriction of Output), 263 Miners (Recent Movements of Labour),
Miners’ Work and Wages, 413
Mining Copper at Vermont, 372

Mining Engineers, American Institute

Baltimore Meeting, 372
Mining of Gems and other Materials in Hungary, Bohemia, and Russia, by Mr. George Kunz, 372 ®
The Copper Mines of Vermont, by Mr Henrv M. Howe, 372
The Magnetic Ores of North Carolina, bv Mr H. B. C. Nitze, 373
Granulating Magnetic Iron Ores with the Sturtevant Mill at Croton Magnetic Iron Mines in New York, by Mr. W. H. Hoffman, 0/3
The Great Gossan Lead of Virginia, by Mr E. C. Moxham, 373
Phopphatfs of Florida, by Mr. George H Eldridge, 373
Preservation of the Hearth and Bosh Walls of the Blast Furnace, by Mr. James Gayley 425
Control of Silicon in Pig Iron, by Mr, W H Morris, 425
New Tin Mineral in the Black Hills, bv Mr Titus Ulke, 427
Pottery Works at Maryland, Baltimore, 516
Maryland Steel Company, 516
Mining Gems in Europe, 372
“ Mira,” Steam Yacht (Messrs. D. J. Dunlop and Co., Port-Glasgow), 351
Miscellanea, 21, 45, 86, 116, 139, 169, 207, 227 269, 291, 323, 353, 381, 418, 437, 475, 506, 527 668, 600, 623, 663, 687, 717, 760, 790
Model Experiments, Admiralty Constant Notation, 492, 542
Mordey.Victoria Alternator, 250-Kilowatt (Brush Company), 317
Morgan’s Crane and Lifting Appliances, 665
Morley’s Positive Corliss Valve Gear, Horizontal Engine with (Messrs. Cole. Marchent, and Moi ley), 791
Morrish, Mr. S. W. F., on an Approximate Rule for the Centre of Buoyancj', 460
Mortars. See Artillery, Modern United States Mortars, 344
Mortars and Howitzers, Field, 500
Motion, Some Illustrations of Mechanics. By S. Tolver Preston, 315
Motors, Capitaine’s Petroleum, 10. See LBTTBR Capitaine, Ac. ’
Mottelay,Mr. P, F., on Chronological History of Electricity, 59, 90, 122, 182, 273, 305
Mount Morgan, 94,217, 252, 281
Movable Sidewalk for Jackson Park, Chicao-o 716 ® ’
Multiple Speed Sidewalk for Jackson Park Chicago, 716 ’
Muncaster’s Valve Gear, Horizontal Engine with (Lilleshall Company), 686
Municipal Works in Nottingham, 605, 669
Musgrave and Sons, John, CaUlogue, 361

Nalder’s Cells, andc., 431, 502. See also 631
Nalder’s Electrical Instruments, 631. See also 431, 502
Nalder’s Potentiometer, 431, 502. See also 631
Natal Railways, 724. See 794
National Gun Factory, The United States, 397 '
Naval Administration, Parliament at Portsmouth. 658

Naval Architects, Institution of:

Spring Meeting, 441
Report of Council, 441
On Divisional Water-tight Bulkheads as applied to Steamers and Sailing Vessels, by Mr. B. Martell, 441, 479
On Steadying Vessels at Sea, by Mr. J. I. Thornycroft, 455, 464
Notes on some Recent Experiences with H.M. Ships, by Mr. W. H. White, C. B.. F.R.S-, 455, 462, 509. See LETTERS, Trial Trips and Experiments xo th H.M. Ships
A Ram Vessel and the Importance of Rams in War, by Commander E. B. Boyle, R.N., 459
Whale-back Steamers, by Mr. F. C. Goodall, 469, 539
On an Approximate Rule for the Vertical Position of the Centre of Buoyancy, by Mr. S. W. F. Morrish, 460
On Balancing Marine Engines and the Vibration of Vessels, by Mr. A. F. Yarrow, 435, 462. See LwrTEs.s,Balancing Marine Engines
Some Notes on the Strength of Steamers, by Mr. A. Denny, 482, 488
On the Transverse Stability of Ships, and a Rapid Method of Determining it, by Mr. W. Hok, 488. See Letter, 535, 555
Notes on Experiments with Inflammable and Explosive Atmosphere of Petroleum Vapour, by Mr. J. H. Heck, 489
On the Theoretical Effect of the Race Rotation on Screw Propeller Efficiency, by Mr. R. E. Froude, 489, 570. See Letter, 535,555
On Convenient Curves for Determining the most Suitable Dimensions for Screw Propellers, by Mr. Froude, 490, 605
On some Additional Features in the Constant Notation used in the Admiralty Experimental Works, by Mr. Froude, 492, 542
Performance of Three Sets of Engines belonging to the Second-Class Cruisers recently added to H.M. Navy, as Calculated from the Full-Power Steam Trials, by Mr. J. G. Liversidge, R.N., 492, 634

Naval Defence Scheme ; “ Edgar” and “ Hawke,” 12, 76,80 ; “ Grafton,” 180 ; “ Ramillies,” 331
Naval Engineer, 534, 753
Naval Engineers’ Training. See Engineers, Training of

Naval Exhibition, Royal: 4,31, 67, 98

Arc Lamp tor Holophote, 4, 31
Fire Engine, Siemens and Merry weather, 67
Hoist, Electric, Siemens, 67
Holophote, Siemens, 4, 31
Projectors, Siemens, 4, 31
Search Lights, Siemens, 4, 31
Siemens Electrically Controlled Holophote, 4, 31

Naval Guns. See Artillery, Modern United States
Naval Warfare in Narrow Seas, 212
Navies, The Development of (Captain Eardley- Wilmot’s Book), 34
Navigation, Internal; The International Congress on, 659
Navy Boilers, The f ailure of, 625, 655, 686. See also 355, a57. See LETTERS. See also Skater Meters for Boilers
Navy, Electricity in the. 563
Navy Estimates, 325, 355, 755
Navy and Fixed Defences, 691
Navy, French, Programme, 687
Navy, H.M.S. “Ramillies,’ 286. See Letter, 331; H.M.SS. “Edgar” and “Hawke,” 12,75, 80 ; “ Grafton,” 180
Navy, Increase in, 325. See also 355
Navy, Quick-Firing Guns in the, 172. See LETTER,
Naval Warfare, 212
Navy, United States, Engineering Branch, 264
Navy, United States, Steel Castings in the, 533
Navy, The Want of Torpedo Boats in British, 109
Netherlands, Labour Legislation in the, 499
Netting Machine, Dennis Continuous Wire, 719
New South Wales Railway, Baldwin Locomotive for, 585
New South Wales Railway Commission, 785
New South Wales Railways, 724. See 794
New South Wales Workmen and Wages, 360
New Telephone Company, 387. See Paragraph, 706
New York, Central and Hudson Railroad Results, 529
New York Elevated Railroads, 729
New York Ferry Steamer “ Cincinnati,” Pennsylvania Railroad Company, 39, 69. See LETTERS, 116, 208
“ New York,” United States Cruiser, Engines of (Messrs. Cramp), 557
New Zealand Government Railwaj^, Saloon Cars for, 476
New Zealand Railways, 136, 724. See 794
Newall and Company’s Steamer “ Novorossisk” (Salvage and Tug), 226
Newcastle, Electric Supply at, 728
Newhaven Harbour Works, Concrete in, 532
Newport News Shipyard, Steamer “El Sud,” 746
Newspiper Train, The First, 387
Niagara Falls, Utilisation (Ganz, Buda-Pesth), 228
Nicaragua Canal, Progress, 330
Nickel and Iron, Volatile Compounds Containing, 340. See LETTER, Nickel, tCc., 388
Nickel Ore Smelting Plant for New Caledonia (Thwaite’s), 288
Nickel, Sir Frederick Abel on, 679
Non-Reversible Engines and Screw Propulsion, 21, 53, 152, 239, 554, 721, 746
Norris, R. van A., on Centrifugal Ventilators, 303, 364. See LETIERS
Norway, Shipbuilding in, 502
Notes from Cleveland and the Northern Counties, 13, 44, 85, 106, 139, 368, 199, 231, 261, 290, 322, 349, 381, 417, 433, 467, 504, 522, 566, 599, 622, 662, 695, 730, 750, 777
Notes from an Engineering Laboratory, 54
Notes, Foreign and Colonial, 506, 523
Notes from the North, 12, 44, 85, 106, 139, 168, 198, 230, 260, 290, 322, 348, 380, 417, 432, 466, 505, 522, 567, 598, 622, 662, 694, 730, 750, 777
Notes from South Africa, 22, 41
Notes from the South-West, 13, 44, 85, 107, 137, 166, 399, 231, 261, 291, 336,348,380,418,446, 467, 504, 523, 567, 599, 638, 663, 695, 733, 751, 790
Notes from South Yorkshire, 13, 45, 85, 107, 139, 168, 199, 230, 261, 290, 322, 349, 381, 417, 432, 467, 504, 523, 566, 599, 622, 662, 695, 730, 750, 777
Notes from the United States, 42, 84, 138, 198, 230, 287, 352, 379, 408, 432, 476, 497, 534, 559, 697, 622, 651, 685, 730, 746, 781
Nottingham, Municipal Works in, 605, 669
“ Novorossisk,” Tug and Salvage Steamer (Newall and Co., Bristol), 226

Obituary: (Moved to separate index)
Oil Engine, Crossley Brothers, 771
Oil Engine, Hornsby-Akroyd, 772
Oil Engine, Penney’s, 772
Oil Engine, Priestman, 353
Oil Engine, Priestman’s Portable, 770
Oil Engine, Kobey’s, 770
Oil Engine, Weyman’s, 772
Oil Engines, 321
Oil Gas, Carburetting of, 793
Oil and Gas Engines, 770
Oil Vapour, Teats for, 489
Ore, Magnetic, of North Carolina, 373
Ore-Smelting Plant, Nickel (Thwaite’s), 288
Ores, Magnetic, Sturtevant Mill for Granulating, 373
“Ormuz” and “Britannia,” 568, 591,619, 655, 686
Oscillating Compound Engines of the Ramsgate Salvage Steamer “ Aid” (Messrs. W. Allsup and Sons, Limited, Preston), 286
Osler, F. and O., at Electrical Exhibition, 140
Overhead Railway, Liverpool, 21
Overhead Railways, 720

Parabolas, Instrument for Drawing, 631 Parliament at Portsmouth, 658
Parliamentary Costs of English Railways, 79
Parrott Rifle. See Artillery Modern United States
Parry, Mr. Joseph, on Mechanical Features of Liverpool Water Supply and Hydraulic Power Distribution, 187, 210
Parsons’ Turbine Dynamo, Trial of, 52. See LETTERS, Steam Engine Economy
Passengers Carried to New York, 361, 446. See LETTERS, 389,475
Patent Agents, Chartered Institute of, 238
Patent Case, Lane-Fox, 416
Patent Fees, 472
Patent Laws, New German, 293
Patent Record, 29, 61, 91, 123, 155, 183. 215, 247, 275. 307, 337, 367, 395, 423, 451, 483, 513, 543, 575. 607, 639, 671, 705, 737, 765, 79S
Patent Specification Publications, 472
Patent Trials, Protraction of, 238
“Pelican,” Torpedo Depdt Ship, Engines of the (Mr. Schichau, Germany), 525
“Pelotas,” Brazilian Twin-Screw Steamer (Messrs. Wigham Richardson and Co.), 716
P. and O. Steamers, 568, 691, 619, 655, 686
Penney’s Oil Engine, 772
Pennsylvania Railroad Company’s Ferry Steamer “ Cincinnati,” 39, 69. See LETTERS, 116, 208
Pennsylvania Railroad Company’s Terminus at Jersey City, 404
Performance of some of H.M. Ships, 455, 462, 509
Petroleum, Dr. W. Anderson on, 635
Petroleum Engine, Priestman’s, 353
Petroleum and Gas Engines, 131,321. See also Oil Engines
Petroleum Launch, Priestman, 694
Petroleum Motor, Capitaine’s, 10. See LETTERS, CapitainCy Ac,
Petroleum in Prime Movers, 296, 327, 359, 385. See Erratum, 349
Petroleum Vapour, Tests for, 489
Phenological Observations in 1891, 240
Phillips, The Late Joseph P., 120
Phosphates of Florida, 373
Photographic Committee, Chicago Exhibition, 655

Physical Society:

On the Driving of Electro-Magnetic Vibrations by Electro-Magnetic and Electrostatic Engines, by Professor G. F. Fitzgerald, 147
Annual Meeting, 273
Note on Supplementary Colours, by Professor S. P. Thompson, 273
On Modes of Representing Electromotive Forces and Currents on Diagrams, by Professor S. P. Thompson, 335
The Flexure of Long Pillars under their own Weight, by Professor M. Fitzgerald, M.B., 335
A Thermodynamical View of the Action of Light on Silver Chloride, by Mr. H. M. Elder, 393
A Note on the Electromotive Forces of Gold and Platinum Cells, by Professor E. S. Her- roun,405
New Instrument for Showing the Effects of Persistence of Vision, by Mr. E. Stuart Bruce, 405
Some Electrical Instruments, by Mr. R. W, Paul, 405
On the Construction of a Colour Map, by Mr. Walter Baily, 503
A Mnemonic Table for Changing from Electrostatic to Practical and C.G.S. Electro- Magnetic Units, by Mr, W. Gleed, M.A., 503 The Law of Colour in Relation to Chemical Constitution, by Mn William Akroyd, 504
An Instrument for Drawing Parabolas, by Mr. R. Inwards, 631
Some Electrical Instruments, by Mr. F. H. Nalder, 631
Portable Instrument for Measuring Magnetic Fields, with some Observations on the Strength of Stray Fields of Dynamos, by Mr. E. Edgar and Mr. H. Stansfield, 631
On a Unit of Measurement of Light and Colour, by Mr, Joseph W. Lovibond, 631
On the Present State of our Knowledge of the Connection between Ether and Matter. An Historical Summary by Professor 0. J. Lodge, 769
On Some Points Connected with the Electromotive Force of Secondary Batteries, by Dr. Gladstone and Mr. W. Hibbert, 781

Physics of Steel, 50. See LETTERS
Pictet Refrigerating Machines, Tests of, 550
Pig Iron, Controlling Silicon in, 425
Pig Iron Corner, Collapse of the, 267
Piles, Allowable Load on, 553
Piling Gantry, Glasgow Central Railway, 641
Pillars, Flexure of Long, 335
Pipe Embossing by Hydraulic Pressure, 597
Pipes, Solid Drawn Copper Steam, 493
Piping, Vyrnwy Aqueduct, 739. See also 767
Pistol and Revolver, American, 545
Piston Ring Turning Machine, 179 Pistons, Conical, 213
Pithead Gear at the Ynis-Merthyr Colliery, 391 Place, Captain de, Detecting Flaws in Metals, 84 Planing Machine (Messrs. Archdale, Birmingham), 718
Planing Machine, Horizontal and Vertical (Messrs. Hulse, Manchester), 198
Plant, The Economic Limits of Large Power Units in Electric Work, by William Lee Church, 57, 141
Platinum Cells, Electromotive Forces of Gold and, 405
Platinum Pyrometers, 709, 762
Pneumatic Carriage for 10-In. Gun, 742
Pneumatic Disappearing Gun Carriages. See Artillery, United States.
Pneumatic Shield, Mersey Tunnel, 767
Pontoon Bridges, 32, 309
Post Office Telegraphy, 329
Postal Exhibit at Electrical Exhibition, 502
Potentiometer, Nalder’s, 429, 502. See algo 631 Pottery Works, Maryland, U.S.A., 515
Power, Brake, Paradox, 784
Power. Hydraulic, Distribution of, 758
Pratt Drill Chuck (Messrs. Pratt Chuck Company, Clayville, N.Y.), 104. See Erratum, 137
Pratt and Whitney Company’s Double Head Milling Machine (Hartford, Conn., U.S.A.), 104
Presses, Block Fuel, 300
Pressure Gauges for High-Pressure Gas, 134. See Letter
Preston, Mr. S. Tolver, on the Correlation of Electricity with Heat, 151
Preston, Mr. S. Tolver, on Some Illustrations of Mechanics, 315
Prestwich Reservoir, Manchester, 161
Pricing Goods at the Chicago Exhibition, 783 Priestman’s Oil Engine, 353
Priestman Petroleum Launch, 694
Priestman’s Portable Oil Engine, 770
Primers for Guns. See Artillery, Modern United States
Private Bill Legislation, 144, 235, 265, 294, 295, 328, 751
Prize Projects for Central Power Station, 84
Production and Exports of Iron and Steel, 757
Production of Steel in Britain, 1891, 319
Profit Sharing, Industrial Remuneration, 278
Progress of Construction, Chicago Exhibition, 37, 792
Progressive Speed Trials, 154
Projectile, Submarine, The Detachable Ram, 533
Projectiles. See Artillery, Modern United States Projectiles for Converted Guns, 372
Projectors at Naval Exhibition, Siemens, 4, 31
Projectors, Siemens, 4, 31
Propeller Bosses, Speed of, 332, 554
Propeller Efficiency, Race Rotation of the
Screw, 489, 570. See LETTERS, 535, 555
Propeller, Marque Screw, 42
Propellers, Dimensions of, 490, €05
Propellers, Marine, 249
Propulsion, Steamship, 152, 257
Protection against Fire, Joseph Bentley, 116
Protection of Foreign Exhibitors, Chicago Exhibition, 568
Public Health Act, The New, liO
Pulley, Cornwall-Barnard Wood Split, 776
Pulleys for Wire Ropes, Sizes of, 238, 257, 299. 332, 361, 390, 409, 445, 474, 49^, 619, 686 Pulp, Wood, in Scandinavia, 20
Pulsometer Pumping Plant for Shaft Sinking,
Pulverisers for Gold Quartz Reduction, 207
Pulverising Ores, Sturtevant Mill, 373
Pump, Cochrane and Walker’s Steam, 684
Pump, Combined Centrifugal and Positive Action, 333
Pump, Direct-Acting Steam (Messrs. Hulme and Lund, Manchester), 748
Pump, Steam Fire, 668
Pump, Tangyes’ Rotary, 776
Eiigines, Davey’s Compensating Lever,
Pumping Engines, Worthington High-Duty, 194
Pumping Machinery, Vyrnwy Aqueduct Tunnel. 739. See also 767
Pumping Plant for Shaft Sinking, Pulsometer. 601
Punching and Shearing Machine (Southgate Engineering Company), 321
Pure Iron, The Production of, 683, 723
Pyke and Harris’s Alternate-Current Dynamo. 600
Pyrometer, 562 Pyrometer (Metals at High Temperatures), 202
Pyrometer, Optical, Fuel Efficiency and an, 710
Pyrometer, Platinum, 709, 762

Quarantine, 112
Quartz Reduction, Gold, 207 Quay Walls, Underpinning, 609,646
Queensland Goldfields: Mount Morgan, 94, 217, 252, 281
Queensland Railways, 724. See 794
Quick-Firing Guns ; Canet v. Krupp, 17, 68, 98, 126, 159, 238, 413, 614, 692, 712
Quick-Firing Guns in the Navy, 172. See LRTTERS, ^aval ff'ar/are, 212

Race Rotation, Effect of, on the Screw Propeller Efficiency, 489, 570. See LETTERS, 535, 555
Rail and Track, American, 734
Rails Abroad, British, 727
Rails on the Danish State Railays, Breakage of, 533
Railroad Results, British and American, 529
Railroad Terminusat Jersey City, Pennsylvania, 404
Railroad Timber Structures on Western America, 633
Railroads, Gauges of American, 602
Railroads at New York, 729
Railway Accidents, The Statistics of, 630
Railway of America, Intercontinental (Proposed), 303
Railway, Broad Gauge, The Last of the, 657, 690
Railway Car Heating Appliances, 301
Railway Carriages for the New Zealand Government Railway, 476
Railway Commission, New South Wales, 785
Railway Electrical Appliances, 786
Railway Employes, Free Holiday Travel, 389
Railway Extensions in the World, 79
Railway Fares, French, 360. See Letter, 389
Railway, Glasgow Central, 641, 674
Railway, Grazi-Tsaritsin, Russia, Train Communication, 122. See LETTERS, Train Co7n7nu7ii* tW7l
Railway, Liverpool Overhead, 21
Railway to London, PropostdNew, 376, 404, 444, 566, 687. See Letter, 618
Railway, Scotch, Compact, 298
Railway Signalling System at Waterloo Station (London and South-Western Railway), 650, 779
Railway, Tank Locomotive for New Zealand Government, 136
Railway Tunnel, Chicago Street, 266
Railway Widening Works, Great Western, 401
Railways, American and English, 16
Railways Compared, Colonial, 724. See Erratum, 794
Railways, Dead Weight on, 535
Railways, Economy of Labour on American, 756
Railways, Electric, in London, 144, 235, 630, 654, 716, 769
Railways, English, Parliamentary Costs of, 79
Railways of Formosa, 369, 546, 577, 673
Railways, Overhead, 720
Railways, Sand and Snow Fences for, 152, 239, 333
Railways and Traders, Scotch, 416
Railwafys in War Times, 296
Railways in the West Highlands of Scotland, 416
Raindrops, 632
Rainfall, Annual, 377
Ram, The Detachable, 533
Ram in Naval Battles, 459
“ Ramillies,” H.M. Battle-Ship, 286. See Letter, 331
Ramsgate Salvage Steamer “Aid” (Messrs. W. Allsup and Sons, Limited, Preston), 286
Ransome’s Cyclometer, 23
Rating of Machinery, 53, 205, 409, 443, 469, 556, 663
Reciprocity, Relation between Britain and the Colonies, 788
Reflux Valves, Manchester Water Works, 33
Refrigerating Machines, Tests of, 550
Refrigerating Plant, Woodside Lairage, Birkenhead, 615
Reimers, Mr. E., on Chilled Cast Iron, 708
Removal of Mill of Ash Tunnel on Caledonian Railway, 346
Remuneration, Industrial, 278
Repairing a Thrust Shaft at Sea, 566
Repeating Rifles, 724
Reservoir, Prestwich New, Manchester Wafer Works, 161
Resident Engineers, The Duties of, 689
Resin, Use of, 629
Revolution Counter, Ransome’s, 23
Revolver and Pistol, American, 545
Revolving School Board, 661
Richard Machine Tool Co, London, Piston Ring Turning Machine, 179
Richards’ Duplex Water Gauge, 228
Richmond Locomotive and Machine Works, Va., 5
Rifles, Magazine, 724
River Gunboat for France (Yarrow), C85 Roadmaking in America, 729
Roads, French, 603
Roberts-Austen, Professor, on Measurement of High Temperatures, 664
Roberts-Austen, Professor, on Metals at High Temperature, 202
Robey’s Gas Engine, 772
Robey’s Oil Engine, 770
Robinson, Professor, on the Uses of Petroleum in Prime Movers, 296, 327, 359, 385. See ErratU7n, 349
Rodman Guns. See Artillery, MGder7i Uixited States
Rodman Guns still in Service. 342
Roechling, Mr. H. A., on the Sewage Farms at Berlin, 512
Rolling of Ships, Reducing (Thornycroft), 455, 464
Rolls, Bending, for Plates and Angles (Schultz and Goebel, Vienna), 241
Roman Aqueducts, 96
Roots’ Gas Engine, 167
Ropes, Sizes of Pulleys for Wire, 238, 267, 299, 332, 361, 390, 409, 445, 474, 492, 619, 686
Rotary Pump, Combined Centrifugal and Positive Action, 333
Rothwell, Captain J. S., on Railways in War Times, 295
Royal Engineers as Members of the Institution of Civil Engineers, 51
Royal Institution, 50, 83, 112, 191, 297, 329, 386, 742
Royal Society Conversazione, 562, 765
Royal Society, New Members, 630
“Royal SovereigQ,” Trials, 630. See also 668
Ruston, Proctor, and Co.’s Compound Horizontal Engine, 117
Rynaid’s Insulators, andc., 201

Safety Lamp, Sensitiveness of Flame to Fire Damp, 503. See also 663
St. Clair Company’s Circular Furnace Stoker, 447
St. Pancras Electric Lightina: Station, 633
St. Petersburg, Electrical Exhibition at, 206 Salaries of Young Engineers, 474
Saloon Cars for the New Zealand Government Railway, 476
Salt and Electric Decomposition, 240
Salvage Steamer “Aid,” Ramsgate (Messrs. W. Allsup and Sons, Limited, Preston), 286
Salvage of the Steamer “ Eider,” 472
Salvage Steamer “Novorossisk” (Newall and Co., Bristol), 226
Sand and Snow Fence, Howie’s Automatic, 152, 239, 333
Sand and Snow Fence for Railways, 152, 239,333
Sand-Washing Apparatus for Filter Beds, 621
Sanitary Conference at Vienna, International, 112 ’
Saw, Circular, with Diamond Teeth for Sawing Stones, Marble or Granite, 361
Sawing Machine, Tree-Felling and Cross-Cutting (Messrs. Ransome), 496
Saws for Cutting Metal, Small Circular, 409, 445
Scandinavia, Wood Pulp in, 20
Schiseophone, Detecting Flaws in Metals, 84
School Board, Revolving, 661
Schuchertmann and Kremer’s Coal-Washing and Separating Plant at Dortmund, 132. See JSrratum, 181
Schultz and Goebel’s Bending Rolls for Plates and Angles, 241
Science and Art Department, Notes on Building Construction to suit Syllabus, 546. See LETTER, Formulc and. for Lon^ Columns, 591
Science Year Books, 646
Scotch Railways Compact, 298
Scotch Railways and Traders, 416
Scotland. See Notes from the North Scotland, Railways in the Highlands, 416
Scotland, Shipbuilding in, 1891, 39, 146, 534. See Paragraph, 86
Screw Propeller Bosses, Speed of, 332, 554
Screw Propeller Efficiency, Effect of Race Rotation on the, 489, 670. See LETTERS, 535, 555
Screw Propeller, Introduction into Navy, 34
Screw Propeller, Marque, 42
Screw Propeller, Race Rotation of, 489, 635, 555, 570 ’ ’
Screw Propellers, 249
Screw Propulsion and Non-Reversible Engines, 21, 63, 152, 239, 554, 721, 746
Seamen, Loss of Life at Sea, 697
Search Lights at Naval Exhibition, Siemens. 4, 31
Secondary Batteries, 628, 660
Secondary Batteries, Electromotive Force, 781
Serve Boiler Tube, 416
Sewage Disposal from Isolated Dwellings, 723
Sewage Farms at Berlin, 512
Sewage Filtration Experiments by Massachusetts Board, 223. See also 7z3
Sewerage Works at Hendon, 632
Sewerage Works in Nottingham, 605, 669
Shaft Broken at Sea, Repairing, 656
Shaft Sinking, Pulsometer Pumping Plant for. 601
Shallow Draught Steamer “ Goodwill” (Messrs. Thornycroft), 731
Shearing and Punching Machine (Southgate Engineering Co), 321
Sheerlegs at West Hartlepool, 80-Ton Hydraulic (Messrs. Russell and Ox, Motherwell), 379
Sheffield. See Notes from South Yorkshire
Sheffield Railway Company’s Extension to London, 144, 235, 328, 376, 404, 444, 666, 687.
See Letter, 618
Shells. See Artillery, Modern United States
Shield, Pneumatic, Mersey Tunnel, 767
Ship Canal. See Manchester Ship Canal Ship Rolling, Reduoing(rhornycroft), 455, 464
Shipbuilding in Norway, 602
Shipbuilding at Spain, 597, 622, 655 Shipbuilding Trade, 634
Shipbuilding in the United Kingdom, 1891, 8, 39, 72, 114,117, 146, 634. See LETTER, “ Endymion and “ Ophir," 162
Shipping, British, Additions to, 114
Shipping, The Chamber of, 203
Shipping Sold to Foreigners, 237
Shipping, Survey and Registry of, 205. See 230
Shipping Trade, Decade Changes, 384
Shipping Year Book, 206 Ships’ Bulkheads, 441, 479
Ships, Employment of, 384
Ships Stability Rule, A Rapid, 488. See LETTER. 636 ’
Shipwrecks in 1891, 330
Sidewalk, Multiple Speed, for Jackson Park. Chicago, 7i 6
Siege Guo, 5-In., 647
Siege Guns. See Artillery, Modern United States
Siemens Electric Fire Service, 67
Siemens Electric Hoist, 67
Siemens Electrical Appliances. See Naval Exhibition
Siemens Electrical Laboratory, King’s College, 270
Siemens Electrically Controlled Holophote, 4, 31
Siemens Want at Naval Exhibition, 4, 31, 98
Siemens Transformers, 98 i
Signalling System at Waterloo Station, London and South-Western Railway, 650, 779
Silicon in Pig Iron, Controlling, 425
Silver Chlorine. Thermodynamical View of the Action of Light on, 393
Silver Hall, Mr. John, on the Earthquake, 144, 174
Simon’s Sulphate of Ammonia Plant, 271
Simplex Signalling System, London and South-
Western Waterloo Station, 650
Sir William Siemens’ Electrical Laboratory. King’s College, 270
Sisson’s Lever Valve Gear, Steamer “ Aid,” 286
Slag, Disposal of Blast Furnaos 187, 243
Slide Huie for Blase Furnace Use (Mr. Wingham), 710
Smelting Plant, Nickel Ore (Thwaite's), 228 Smokeless Powders, 629. See Pcbrdgraph^ 687 Snow and Sand Fence, Howie’s Automatic, 152, 239, 333
Society of Arts:
Columbian Exposition of 1893, by Mr. James Dredge, 24, 58, 88
Distribution of Electricity, by Professor George Forbei (Cantor Lecture), 176
The Uses of Petroleum as a Prime Mover, by
Professor W. Robinson, 296, 327, 359, 385
Flexible Tubing, by Mr. G. R. Redgrave, 387 Trade Relations between England and America, by Mr. Robert McCormick, 449, 540, 572. See also 439
Albert Medalist, T. A. Edison, 663
The Extension of Colonial Trade, by Mr. Howard Vincent, M.P., 788
Silver Medalists, 790
Sonning Cutting (Great Western Railway Widening Works), 401
South African and International Exhibition, 619
South African Trade. See ^otes from South Ajrica
South Australian Riilways, 725. See also 794 South East England, Weather in, 143
Sour.h of England Manufacturing Company at Electrical Exhibition, 205, 266
Southampton Shipbuilding in 3891, 118
Southampton and Transatlantic Trade, 154, 177, 208
Southampton Water Works, Water Softening Plant, 318
Southgate Engineering Company, Punching and Shearing Machine, 321
Spain, Shipbuilding at, 597, 622, 555
Spanish Cast-Iron Howitzer, 320
Speed of British Navy Ships, 80, 462, 509. See LETTERS, Trial Trips and Experiences with a.M.8.
Speed and the Depth of Water, 80. 455, 462, 509. See LETTERS, Trial Trips and Experiences with li.M.S.
Speed on Electric Tramways, 48
Speed Recorders, Ranoome’s, 23
Speed Trials, H.M.S. Cruiser “ Edgar,” 80. See also 12, 75. See LETTERS, Trials of** Edgar'*
Spencer of Wednesbury at Electrical Exhibition, 204
Stability Rule, a Rapid, 488. SeeLcf^e?', 535
Stadia Telescope, A New Form of, 694
States and Foreign OffioiaU’ Buildings, Chicago Exhibition, 25
Station, Railway, at Jersey City, Pennsylvania Railroad, 404
Stations, Electric Light, 400
Steadying Vessels at Sea, 455, 464 Steam, Action of, 115, 239
Steam Boiler Experiments, 346
Steam Dynamo, Slow-Speed, Kapp (Messrs. Johnson and Phillips), 285
Steam Engine Economy, 115
Steam Fire Pump, 668
Steam Jacket, Committee Report of the Institution of Mechanical Engineers, 186
Steam Jackets for Engines, 720
Steam Jets in Furnaces, 619, 655
Steam, Superheated, 260, 299, 331, 361, 362, 389, 474, 475. See also Brine Boiler Engine
Steam Turbine Dynamo, Trial of, by Professor Ewing, 52. See LETTERS, Steam Engine Economy
Steamer “Aid,” Ramsgate Salvage (Messrs. W. Allsup and Sons, Limited, Preston), 286
Steamer “ Eider,” Floating of the, 472
Steamer “ ElSud,” American (Newport News Shipbuilding Company), 746
Steamer, Ferry, “Bremen,” 222, 253
Steamer “Goodwill,” Shallow Draught (Messrs. Thornycroft), 731
Steamer, Hamburg • American Twin • Screw, j “ FUrst Bismarck” (Vulcan Company, Stettin), 407, 497, 606. See LETTERS, 445, 665
Steamer, Paddle, “ Koh-i-Noor,” Thames (Fairfield Company, Govan), 654, 687
Steamer, Screw Ferry, “Cincinnati,” Pennsylvania Railroad Company, 39, 69. See LETTERS, 116, 208
Steamer, Tug and Salvage, “ Novorossisk ” (Newall and Co,, Bristol), 226
Steamer, Twin-Screw, “ Pelotas,” Brazilian (Messrs. Wigham Richardson, and Co.), 716
Steamer Yacht “Mira” (Messrs. D. J. Dunlop and Co., Port-Glasgow), 351
Steamers’ Bulkheads, 441, 479
Steamers, The Comparison of, 269
Steamers, A Rapid Stability Rule, 488. See Letter^ 635
Steamers, The Strength of, 482, 488
Steamers, Whalebaoc, 459, 539
Steamship Propulsion, 152, 267 See Propellers
Steel, Basic, Tests of, 682, 699
Steel Castings, Formation of Blowholes in, 19
Steel Castings in the United States Navy, 633
Steel Institute. See Iron and Steel Institute Steel V. Iron Boiler Tubes, 784
Steel and Iron, Blastic Testn of, 277, 310
Steel and Iron in Sweden, 570
Steel Patents, Basic, 268
Steel, Physics of, 50. See LETTERS
Steel Production in Britain, 1891, 319
Steel Production, Cost of (McKinley Tariff), 501
Steel Works, Maryland, U.S.A., 516
Steeple Compound Engine Ferry Steamer “Cincinnati,” Pennsylvania Railroad Company, 39, 69. See LETTERS, 116, 208
Steering Gear of H.M.S. “ Grafton,” 180
Sternwheel Steamer for Dahomey (Yarrow), 685
Stewarton, Boiler Explosion at, 120
Stock Exchange Year-Book, 205
Stock Ramming and Grouting, Underpinning by Means of, 609, 646
Stoker, Mechanical (St. Clair Company), 447
Stone Breaker, Marsden’s, 777
Stop Valves, Manchester Water Works, 33
Stratford, Locomotive Building at, 20
Strength of Steamers, 482, 488
Struts, Formulae for Long Columns, 591 !
Stud, Dayiuard’s DecR, lo7 I
Sluitevaut Mill for Granulating Magnetic Ores, ' 373
Subaqueous Foundations, Underpinning, 609, 616
Suuluarine Projectile, The Detachable Ram, 533
Submarine Telegraph Enterprise, 788
Suburban Over-Deck Railways, 720
Subway, City and South Loudon, 267. See Deep Tunnel Railways
Subways, Street, in Nottingham, 605, 669
Suez Canal Trattic, 694
Sugden, Nut for Clamping Down Electric Wire Ends, 415
Sulphate of Ammonia Plant, Simon’s, 271
Sulphur, Eliminatijii from Iron, 703, 707
Sulzer Engine Tests, 77, 239
Superheated Steam, 260, 299, 331, 361, 362, 389, 474, 475. See also Brine Baler Engine
Surfacing and Boring Lathe (Messrs. J. Lang and Sons, Johnstone), 761
Surgical Electrical Apparatus, 314
Surveying, Engineering Meld Book, 151
Surveying, siauia Velescope, 694
Suspension Bridges, 2, 32
Sweden, Iron and Steel in, 570
Swinburne, Mr. James, on Electrical Measuring Instruments, 522
Swing Bridges, Hydraulic Machinery for, 245
Switch, Electrical, Mr. A. P. Lundberg, 429
Switch, Sugden Electrical, 415
Switches, see Electrical Exhibition
Switches, Electric, 31
Syndicate, Pig Iron, Collapse, 267
Szuts, M. B61a, on Utilisation of Niagara Falls, Scheme by MM. Ganz, 228

Tandem Compound Engine (Messrs. Ross and Duncan, Govan), 226 I
Tangyes’ Gas Engine, 772
Tangyos’ Rotary Pump, 776
Tank Locomotive for New Zealand Government Railway, 136
Tansa Dam, Bombay Water Works, 518
Tariff, McKinley, 501. See also 114, 4i6, 418, 600 Tariffs, Commercial, 142
Tariffs, New French, 172
Taxation of Maoh.nery, 53, 205, 409, 443, 469, 556, 663
Teaching University for London, 561
Teague Electric Meter, 758
Technical Education, County Councils, 265
Technical Education (Electrotechnics), 147
Tees, Shipbuilding on, 72, 146
Telegraph, Chronological History of, by Mr, P. F. Mottelay, 59, 9u, 122, 182, 273, 305
Telegraph, Submarine, Enterprise, 788
Telegraphy, Post Ortice, 329
Telephone Company, The New, 661
Telephones and the Government, 387. See also 7o6
Telescope, Equatorial, Sir Howard Grubb, 748
Telescope, A New Form of Stadia, 694
Temperatures, Measurement of High, 664
Ten years’ Changes in our Foreign Trade, 472
Tension of Iron and Steel, 277, 310
Terminus of Pennsylvania Railroad at Jersey City, 404
Tesla’s Experiments, Alternate Currents, 171. See also 562
Tests of Iron and Steel, Elastic, 277, 310
“Teutonic” Steaming, 416, 565. See Letter, 591
Thames Paddle Steamer “ Koh-i-Noor” (Fairfield Company, Govan), 654, 687
Thames Shipbuilding in 1891, 117, 146
Thermodynamical View of the Action of Light on Silver Chlorine, 393
Thermodynamics, Efficiency of Brine Boiler Engine, 408. See also Superheated Steam
Thermodynamics, The Second Law of, 206
Thermodynamics of steam Engine, 64. See LBTTBRS, Condensathon^
Thomas and Gilchrist Patents, 268
Thomson-Houston Appliances at Electrical Exhibition, 237
Thomson-Houston Electric Hoist. 362
Thomson, The Late Profesor James, 595, 619
Thomson Limited, Clydebank, H.M.S. “Ramil- lies,” 286. See Letter, 331
Thomson, Professor Elihu, Electro-Magnetic Repulsion, 727
Thomson, Sir William (Lord Kelvin), Measuring Instruments, 596
Thomson Watt Meter, 237
Thornycroft Pendulum Arrangement for Steadying Vessels at Sea, 455, 464
Thornycrofc, Shallow Draught Steamer “Goed- will,” 731
Tbwaite, Mr., on Fuel Efficiency and an Optical Pyrometer, 710
Thwaite’s Nickel Ore-Smelting Plant for New Caledonia, 288
Timber Bridges, 250
Timber in Engineering Structures, 412. See LBITBRS, Load on Piles
Timber Foundations, Allowable Load on Piles 553 ’
Timber Structures on Western American Railroads, 633
Time Registers, Aubert’s and Others, 431
Tin Mineral, American, 427
Tinplate Industry and McKinley Tariff, 114
Tinplate Manufacture in United states. 416 418 600 » , »
Torpedo Boat “ Condor,” French, 632
Torpedo Boat, New French, 114
Torpedo Boat, The Value of the, 594. See LBTTRRS
Torpedo Boat Vibration, 435, 462. See LBTTBRH Balancing Marine Engines
Torpedo Boat for Victorian Government, Yarrow, 105
Torpedo Boats in British Navy, The Want of, 109
Torpedo Boats, Coal Endurance of French, 114
Torpedo Boats in Future Warfare, 109
Torpedo Boats, New French 116-Ft., 330
Torpedo D^p6t Ship “Pelican,” Engines of the (Schichau, Germany), 525
Tory Island and Bishop’s Rock Lighthouses. 268
Townsend, Mr. 0. F., on Volatile Compounds Containing Nickel and Iron, 340. See LETTER, Nickelt iisc.f 388
Track, Ameritati Rail and, 734
Trade. See 2iotes from the North, Cleveland, fiic.
Trade between America and Britain, 439, 449, 640, 672. See also 15, 41
Trade between America and Southern Republics, 16. See 41, 439, 449, 540, 572
Trade Disputes. See luiiustrial Notes
Trade, Shipbuilding, 8, 39, 72, 117,114, 146, 634. See bETTBK, •* Endymion"' and * Ophir,"' 152
Trade Uuion Statistics, 411
Trade Unions. See indicstrial Notes
Train Communication, 122. See LETIERS
Train, The First Newspaper, 3d7
Train Loads for Bridges, Typical, 114
Tiamway Joint Cnair and Fish-Plate, Whyte* bead's, 684
Trainway schemes in Parliament, 265, 294, 751
Tramways, Electric, Speeds on, 48
Tramways on Westminster Bridge, 295
Transatlantic. See Atlantic
Transformer, Battery, System, 61
Transformers, 111
Transformers at Electrical Exhibition, 111
Transformers, Siemens, 98
Transmission of Heat through Cylinder Walls. See Willans, The Late Peter IF.
Transportation, Novel Method of, 716
Travelling Crane at Newport News Shipyard ; Steamer '• El Sud,” 746
Travelling Crane, 3-Ton Steam (Messrs. J. H. Wilson and Co., Liverpool), 677
Travelling Jib Crane, 20
Ton (Messrs. Cowan, Sheldon, and Co., Carliele), 149
Tree-Felling and Cross-Cutting Saw (Messrs. Ransome), 496
Trent Company’s Gas Engine, 773
Triple-Expansion Engines, see Engines Triple-Expansion Mill Engine for Melbourne, 684
Trotter, Mr. Alexander P., on Distribution and Measurement of Illumination, 597
Trussed and Tubular Bridges, 280
Tube Cutters, Webb’s Electric, 786 Tube-Frame Cars, 213, 445, 534, 535
Tube, Serve Boiler, 416
Tubes, Iron v. Steel Boiler, 784 Tubing, Flexible, 387
Tubulous B^^ilers, 82
Tug and Salvage Steamer “ Novorossisk ” (Newall and Co., Bristol), 22d
Tunnel on Caledonian Railway, Removal, 346
Tunnel under the MeiSey, Aqueduct, 16, 367, 739, 767
Tunnel, West Chicago Street Railway, 266
Tunnelling, Glasgow Central Railway, 641, 674
Tunnels. See Formosa ana its Railways
Turbine Dynamo, Steam, Trial of, by Professor Ewing, 62. See LETTERS, Steam Engine Economy
Turbine Propulsion, Shallow Draught Steamer (Messrs. Thornycroft), 731
Turbine, Utilisation of Niagara Falls, Ganz, 228
Turning Machine, Piston Ring, 179
Twin-Screw Engines. See Engines
Tyne, Shipbuilding on, 72,146, 534

“ Umbria,” Fast Steaming, 416. See also 565
Underground Railway, Glasgow, 641, 674
Underpinning, 641, 674
Underpinning by Means of Grouting and Stock Ramming, 609, 646
Unit Of Measurement of Light and Colour, 631
United States. See Notes from America
United States Artillery. See artillery, United States
United States Cruiser “New York” Engines (Messrs. Cramp and Co.), 567
United States government Exhibit, Chicago Exhibition, 26
United States Navy Engineering Department. 264
United States Navy Exhibit, Chicago Exhibition, 25
United States Navy, Steel Castings for the, 933
United states Steamer subsidy Laws, 666
United States Tin-Plate Manufacture, 114, 416, 418, 600
Units, Mnemonic Table for Changing from Electrostatic to Practical and C.G.S. Eleetro- Magnetic, 603
University College, London Extension, 299
University for London, A Teaching, 661
Unwin, Professor W. C., on the Construction of Theoretical Indicator Diagrams for Compound Engines, 389
Unwin, Professor, on Petroleum Engines, 321
Urquhart, Mr. T., on Communicating between Passenger Guards and Drivers of Railway, Trains, 122. See LETTERS
Utilisation of Niagara Fails, Ganz’s Scheme, 228
Utilisation of Slag, 18Z, 243
Utilisation of Variable Water Power, 789

Vaal River, Kimberley, 632
Valve Gear, Muncasters’, Horizontal Engine with (Lilleshall Company), 686
Valve Gear, Positive Corliss, Horizontal Engine with (Messrs. Cole, Marchent, and Morley), 791
Valve, Steam Pump (Hulm and Lund), 74b
Valves, Ferry Boat “ Cincinnati,” 116, 208
Valves, Manchester Water Works, 33
Valves for Open-Hearth Furnaces, 710, 733
Vanderpoel Thomson Pock Drill, 237
Ventilator, Blackman’s, 777
Ventilators, Centrifugal, 303, 364, 510. See LETTandRS
Vermont, Copper Mines of, 372
Vessels, Effect of Oil on Skin Friction of, 20
Vibration of Steamers, 435, 462. See LETTERS, Balancing Marine Engines
Vibrometer for Measuring Vibrations of Engines, 435, 462. See LETTERS, Balancing Engines
“Victoria” Aground, 456, 462, 509
Victoria Alternator, 260-Kilowatt (Brush Company), 317
Victoria Colony and the Chicago Exhibition. 497, 790
Victoria Railways, 726. See also 794
Victorian Government Torpedo Boat, Yarrow^ 106
Viking Ship from Norway for Chicago Exhibition, 600
“ Ville de Douvres” Engine Trials, 581, 586, 633 Virginia, Gossan Lead of, 373
Vision, Effects of Persistance in, 405
Vyrnwy Water Tunnel under the Mersey, 16, 387, 739, 767

Wages, 278
Wages in New South Wales, 360
Wages and Work of Miners, 413
Wagon, Ballasting, for Glasgow and South- Western Railway, 270
Wagons and Forge for Field Battery, 517
Wagons, Tube-Frame. 213, 445, 534, 535
Wai’les, Mr. J. W., on Gas Furnace Valves, 710, 733
Walford, Lieut.-Colonel, on Field Howitzers and Mortars, 500
Wallis, The Late Admiral Sir Provo, 274
War, The Future Naval, 172. See LETTER, Naval Warfare^ 212
War Material, The Manufacture of, 201, 233, 579, 603, 635. See also Army Estimates, 327
Warship Construction, 325. See also 355
Warships. See Battle Ships
Warships “Edgar” and “Hawke,” Engines, Boilers, andc., 12, 75, 80, 330. See LETTERS, Trials of “ Eda ar ”
Water Depth, Effect on Speed, 535, 555, 556, 591. See also 455, 462, 492, 509
Water Gauge, Duplex, Richards’, 228
Water, High-Pressure, Scheme for Glasgow, 693 Water Meters for Marine Boilers, 686,747
Water Power, Utilisation of Variable, 789
Water-Softening Plant at Southampton, 318
Water Supply of Birmingham. See Birmingham Watfr Supply, Liverpool, 16, 387. 739, 767 Water Supply of London, 265, 294, 326, 383, 446, 618, 651, 718, 778
Water and Tramway Schemes in Parliament, 265, 294,751. See Birmingham and London Water Supply Schemes
Water Works. See Manchester Works
Water Works, Bombay, Tansa Dam, 518
Waterloo Station Railway Signalling System, 650, 779
Water-Tight Bulkheads, 441, 479
Watkins, Mr. J. Elfreth, on American Rails and Track, 734
Waygood’s Lift, 237
Wear, Shipbuilding on, 72, 146
Weather, 49, 110, 143, 204, 296, 471, 564, 691. See also 377
Weighing Machines, 776
Weights and Measures, Decimal System of Coinage, 788
Well-Boring Plant, Isler’s, 776
Well’s Gas Engine, 772
Western Union Telegraph Company, 20
Weyman’s Oil Engine, 772
Whaleback Steamers, 459, 539
Wheatstone Bridge, 405
Whitaker’s Almanac, 45
White, Mr. W. H., on Experiments with Basic Steel, 682, 699
White, Mr. W. H., on Performances of Some of Her Majesty’s Ships, 455, 462, 509. See also 492 and LETTERS, Trial Trips and Speedy Effect of Shallow Water on
Whitworth Scholarships, 747, 789 Whytehead’s Tramway Joint Chair and Fish-Plate, 584
Wick Breakwater, Underpinning, 646. See also 609
Wigham Richardson, and Co.’s Twin-Screw Steamer “ Pelotas,” 716
Willans, Mr. P. W.,661, 693. See LETTERS
Wilson-Hartnell’s Dynamos and Mains, 204
Wimshurst and Leyden Jars, 562, 755
Winding Gear, Electrical, 362
Winding Gear, Thomson-Houston Electric, 362
Winding Gear at the Ynis-Merthyr Colliery, 391
Wingham, Mr. Arthur, and Dr. Edwin J. Ball, on Experiments on the Elimination of Sulphur from Iron, 703, 707
Wire-Netting Machine, Dennis Continuous, 719 Wire Ropes, Size of Pulleys for. 238, 257, 299, 332, 361, 390, 409, 445, 474, 492, 619, 686
Wiring (Electric), Andrews’ Concentric System,
Wolverhampton, Boiler Explosion at, 242
Wood in Engineerincr Structures, 412. See IJETTERS, Load on Piles
Wood Pulp in Scandinavia, 20
Woodhouse and Rawson at Electrical Exhibition, 358
Woodside Lairage, Birkenhead, 615
Woolwich and Private Traders, 201, 233, 579 603, 635. See also Army Estimates^ 327

Works:

Maryland Steel Company’s Works, Baltimore, U.S.A., 516
Newport News Shipyard, U.S.A. (Steamer “El Sud”), 746
Pottery Works at Maryland, Baltimore, U.S.A., 515
Richmond Locomotive and Machine Works, Va. 5
United States Naval Gun Factory, 397
Workmen in New South Wales, 360
World’s Fair. See CoUtmbicin Exposition
Worthington High-Duty Pumping Engine, 194
Wrecks in 1891, Ships, 330

Yacht “Mira” (Messrs. D. J. Dunlop and Co., Port-GIa’^gow), 351
Yarrow, Mr. A. F., on Vibrations of Vessels and Balancing Marine Engines, 435, 462. See LETTERS, Balancing Engines
Yarrow Stern-Wheel Gunboat for France, 685
Yarrow Torpedo for Victorian Government, 105
Year Books, 646
Year’s Weather, 110
Ynis-Merthyr Colliery, Pithead Gear, 391

Grace's Guide To British Industrial History

Engineering 1892 Jan-Jun: Index: General Index

See Also

Sources of Information