Iron, action of atmosphere on, 302
Iron, churches for Australia, 278; iron custom house, Peru, 185
Iron floors, Burnell on, 54, 95, 307; ware- house, Belfast, 212
Iron girders, Cox on, 122; Fairbairn on, 222 Iron lighthouse, Nantucket, 410, 449 Iron manufacture, Leachman's, 153 Iron roof, Smithfield market, Manchester, 88; Paris, 425, 463
Iron ships, variation of compass, 398 Iron ships, Getty's, 68
Iron stays, Fairbairn on, 222
Iron, strengthening by remelting, 400 Iron submarine tunnels, Bellford, 108 Ironwork, Bocking church, 381
Ironworks, Providence, Paris, 425, 463; Rhenish Prussia, 25
Italian court, crystal palace, 244
Jack, Dudgeon's hydraulic, 128 Jacquard, improved, 156
Jarrett's press for printing in colours, 29 Jebb, on drainage of metropolis, 254 Jennings' carriage break, 335, 286 Joists, iron, 54, 90, 129, 307
Length, parliamentary standard of, 275 Lenses cylindrical, Sturm on, 395 Leominster, Monkland schools, 16 Leroy's shot works, New York, 444 Leslie, on incline plane for canals, 77 Lever bridge, tapering, 352
Life boat, Chesney on, 397; Richardson's, 397: self-righting, Barrington's, 108 Light for Goodwin sands, 61 Lighthouse foundation, 344 Lighthouse-Bell rock, 417, 455: Brandy- wine, 413; Eddystone, 417, 455; Holywood, 413; Kish bank, 413; Maplin, 413; Nan- tucket, 410, 449; Skerryvore, 417, 455; Tongue bank, 413; Wyre, 413 Lighthouses, dipping and apparent lights for, 107
Light-vessels and buoys, form of, 59 Lights, dipping and apparent, 107 Lightning conductor for ships, 354; con- ductors, Nasmyth on, 387 Lillie's roads and floors, 107 Lime, effects of atmosphere on, 301 Liquids, motion of, 390 Liverpool, corn exchange, 25; dock railway, 334; new washhouse, 257; north battery, 435; St George's hall, 359; Huggins on,
| Magazine la Providence, Paris, 425, 463 Manchester paving and sewering. 24; Smith- field market roof, 88; waterworks, 24 Manholes and lampholes, 439 Manure treating. Herapath's pat. 107 Maplin sands, 413
Maps, topographical, Dawson on, 421 Marine barometer, Adie's, 394 Marine engine valve, 8
Marine works, coating for. 104, 154 Market, corn, Liverpool, 25; covered, Brad- ford, 393; market-house, Voslau, 161; roof Manchester, 88
Marshall, report on coal for locomotives,
Marshes Rotherhithe, 117 Marshes, Thames, 331, 376 Martin's jacquard machine, 156 Masts and spars, McGavin's, 66 Mathiot's electrotype copperplates, 461 Matier's formula for egg-shaped sewers,
Measures and weights, on uniformity, 154,
Measurement of inaccessible distances, 168 Mechanical science, progress of, 134 Mediaval church spires, Wickes on (rev.) 9 Medieval courts, crystal palace, 243 Meigs, on acoustics and ventilation, 162 Melting, strengthening cast-iron by, 400 Metal working, Woodruff's 111 Metal working, history of, 138 Metals, action of atmosphere on, 302; assaying, 56; fatigue and fracture, 237; grinding and polishing, Chesterman's 232 Meter, Leonard's, 110; Poole's, 216 Meter, water, Chadwick, 236; Fothergill, 187; Glynn on, 186; Hanson and Chad- wick's, 188, 305; Hartin's, 304, 166; Sie- mens', 189, 287; Taylor's, 187 Metropolitan bridges, report on, 286, 350, 430
Metropolitan drainage, 125, 169, 181, 205, 223, 251, 254, 286, 203, 341 Metropolitan gasworks, Clegg on, 296 Metropolitan water supply, 273, 292, 326; water companies' reports, 278, 326 Michelangelo's sketches at Lille, 2 Mill, conical, 121
Milner's steam engine, 272
Mines, Arnott on ventilating, 296 Mines (coal, French, 460
Minotto on an application of the properties of the wedge, 218 Mints of the U. S., 407 Mitchell, on crystallography, 328 Mitchell's screw pile system, 412 Mixing and washing machine, Wright's,
Models and diagrams, Sopwith on, 327 Monkland schools, Leominster, 16 Montreal, Victoria bridge and railway, 211,
Monument, Washington, 157 Monuments celtic) in Ireland, 198; sepul- chral, Bonn cemetery, 351 Molesworth, report on Westminster bridge,
Moore's suggestions for sewerage (rev.) 381 Morewood, on metropolitan drainage, 251,
Morse's telegraph, 309, 310, 395 Mortar, action of sea water on, 388 Moseley, on trade schools (rev.) 17 Motion of liquids, phenomena, 390 Motive power, Talbot's 66; Wrede's, 68 Moulding apparatus, Bernard's, 152 Moustache, benefit from wearing, 74 Munich crystal palace, 87, 435 Museum of science and art, Lardner (rev.) Musical instrument court, crystal palace, 244
Nantucket lighthouse, 410, 449 Napier's air-engine, 394
Nasmyth's horizontal rock borer, 400; on lightning conductors, 387 National gallery competition, 383 National schools, Coventry, 400
London, drainage of, 125, 169, 181, 205, Nature printing, Aitken on, 138
223, 251, 254, 286, 291, 341
London drainage company, 251, 341 London water supply, 273, 292, 326; water corapanies reports, 273, 326 Londonderry, port of, 53 Loons, Greenhalgh's, 110 Louth corn exchange. 81
Loysel's hydrostratic percolator, 196 Lanatic asylums, sites for, 426
Macadamised roads, Smith on, 115 McConnell's express locomotive, 28 McDermot's railway break 398 Majavin's masts and spars. 66 Macintosh's bridges and viaducts. 316 MeRea's drawbridge telegraph, 137, railway drawbridge, 27; switch safety telegraph,
Magnetic machine, Talbot's, 66; Carpenter's
Naval architecture, Russell on, 387 Navigation of the Foyle, 53; inland of Ire- land, 402
Newark zinc works, Jersey, U. S., 462 New York crystal palace (rev.) 345 Nikosia cathedral, Cyprus, 353 Nixon's report on Waterford and Kilkenny railway, 253
Norton's railway signal, 399 Nuts, manufacture of, Reese's, 226
Obituary-Christopher, 317; Dobson, 426; Laxton, 270; Leclere, 46; Philips, 418; Trubshaw, 58; Visconti, 46 Ocean steamers, 33 Oldham, on strengthening cast-iron by melting, 400
Ore crushing and washing, Bellford's, 287; Wright's, 209
Palace, crystal, Munich, 87, 435; New Peru, iron custom house for, 185
York (rev.) 345 Palace, Westminster, 85, 357 Paper from peat, 317 Paper-making materials from India, 330 Paper, raw materials for, 331 Paper ruling, McAdams, 226 Papier-mache designs, Breese, 333 Parallel and taper suspension bridges, 176 Paris, La Providence ironworks, 425, 463 Parliament houses decoration, 85, 357 Parliamentary standards' report, 275 Parliamentary standing orders, 89 Parnell's pat locks and keys, 64 Parthenon, sketch of, 121 Patents, commissioners' report, 385 Patents, American commissioner's report, 112, 149, 461
Patents, list of new, 39, 78, 118, 158, 198, 238, 278, 318, 354, 390, 427, 466 PATENTS-
Axle, railway, Andrews, 60 Air pump, Hebson, 225 Boiler, Andrews, 60 Boring rods, Kraut, 335 Breaks, Jennings, 335
Bridge and viaduct, Macintosh, 316
Buffer spring, india-rubber, Spence, 72 Capstan, Perley, 112
Carriage, Glover, 461
Chairs, railway, Carr, 33 Coating iron, Browning, 154 Coating, composition, Aston, 104 Collisions prevention, Gosling, 232 Crossing, railway, Carr, 33 Deodorising, Herapath, 107 Eaves troughs, Woodruff's, 225 Electric conductor, Allan's, 334 Engine, Clayton, 22; Fuller, Milner, 272
Engine, gas-and-air, Wrede, 68 Engine, rotary, Andrews, 60; Bristol, Furnace, Bayliss, 106; Bristow, 106 Furnace flues, Price, 14 Gas manufacture, Holme, 333 Gas meter, Poole, 216
Phoenix theatre, New York, 305 Pictures, architecture in, 290 Pile, screw, Mitchell's system, 412 Pile-driving machinery, Bower's, 873 Pile, pneumatic, Potts' system, 414 Piles, supporting power of, 399 Piston packing, Russell's, 76
Pipe drainage, 35, 76, 126, 177, 181, 206, 228, 251, 254, 293, 437
Pipe, hexagonal separating, Austin's, 386 Pipe, flow of water through, 338 Pipe, wedgeular jointed, Roveré's, 248 Plan drawing, Dawson on, 421 Plans, for session 1854, 30 Plates, vertical, resistance of, 26 Playfair, on raw material for paper, 331 Plough and drill, Dussuc's, 105 Plough, Brinckerhoofs, 111; Neall's, 227 Plough, hill-side, Harrison's, 111 Pneumatic apparatus, estimate, 455 Pneumatic pile lighthouse, Nantucket, 410, 449; Pott's system, 414
Pocock on drainage, 208
Polishing metals, Chesterman's, 232 Poole's gas meter, 216
Porous stone filtration, Trotman on, 249 Pott's pneumatic pile system, 414 Premiums, award of-R.I.B.A., 158; Inst.
C.E., 424, subjects for, 456; Scottish, 466 Press for printing in colours, Jarrett's, 29 Press, hydraulic, Dudgeon's, 128 Pressure, solidification by, 394
Price's pat, candle works, 378; pat. furnace flues, 14
Prideaux's self-closing valve, 153 Prime movers, Banuer's pat. 267
Printing press for colours, Jarrett's, 29
316; Propeller, Fisher's Venetian, 388; Ruth- ven's, 156, 195, 236; Wilson's, 7; Ware's, 111
67 Prosser, on surcharged steam, 397 Providence ironworks, Paris, 425, 463 Providence (U. S.) savings bank, 45 Pulverising machinery, Bellford's, 287; Wright's, 210
Glass manufacture, Swinburne, 105 Glass ornamenting, Iglesia, 103 Gold quartz machinery, Wright, 209 Indurating stone, &c., Barrett, 31 Iron manufacture, Leachman, 153 Life boat, Barrington, 108 Locks and keys, Parnell, 64 Masts and spars, McGavin, 66 Metal grinding and tempering, Chester- man, 232
Meter, fluid, Hanson, 305; Hartin, 166; Taylor, 304
Motive power, Talbot, 66; Wrede, 68 Moulding and casting, Bernard, 152 Paddle wheel, Bellford, 152 Paint, Bell, 332
Papier mache designs, Breese, 333 Permanent way, Perring, 232; Pym, 229 Pile driving machinery, Bower, 373 Pipe, stoneware, Rovere, 248 Plough and drill, steam, Dussuc, 105 Press, hydraulic, Dudgeon, 128 Prime mover, Banner, 267 Printing press for colours, Jarrett, 29 Propeller, Willson, 7 Pump, Andrews, 60
Railway crossing and chair, Carr, 33 Railway signal, Cowvan, 266; Gosling, 232 Roads and floors, Lillie, 107 Sash fastener, Westley, 66 Sash movements, Gribbon, 424 Ships, iron, Getty, 68
Signal, railway, Cowvan, 266; Gosling,
Rail straightener, Willitson's 110 Rails, Adams's pat. 52
Rails and sleepers, Adams on, 13 Railways, Australian, 147 Railway bills for session 1854, 30
Railway break, Jenning's, 335; McDermott's 398
Railway carriage springs, india-rubber, 72
Railway crossing, Carr's pat. 33 Railway, Dixon on lying out, 264
Railway drawbridge, McRea's, 27; draw-
bridge, telegraph, McRea's, 137
Railway engine, Beattie's, 217 Railway, grand trunk, Canada, 211, 252 Railway report for 1853, 375 Railway sanding apparatus, 118 Railway signals, Cowvan's, 266; Gosling's, 232; Norton on, 899
Railway snow-ploughs, Sturtevant's, 227 Railway over the Summering, 381 Railway for streets, Adams', 52 Railway switch pointer, 149; switch tele- graph, 27; switches, Porring, 232 Railway traction during snow, 43 Railway turntable, Lloyd's, 51 Railway, Waterford and Kilkenny, 253 Railway wheels, Adams', 311 Railways and permanent way, Adams on (rev.) 11
Rain at different elevations, 213 Rain and wind, causes of, Hopkins (rev.)
Ram, hydraulic, Strode's, 110
Rammell, on Thames marshes, 879 Ramsbottom's coking crane, 15 Rankine, on air-engine, 393 Ransome's artificial stone, 335 Rawlinson, on drainage of towns, 425; Devonport, 228; Falmouth, 247; Swansea, 246, 441; water supply of Birmingham, 446; on man-holes and lamp-holes, 439; on pipe drainage, 437 Reciprocating engine, 88
St. Thomas', Exeter, drainage and water Smoke combustion-Arnott, 201, 289, 295, supply, 178, 181
St. Sidwell's schools, Exeter, 460 Safes, Goffin's, 226
Sanding apparatus for rails, 118 Sandgate drainage and water supply, 127, 254, 293
Sanitary improvement, Smith on, 102 Sash fastener, Westley's, 66 Sash mountings, Gribbon's, 424
Reciprocating motion, converting into rotary Savings bank, Providence, U. S. 45
Scamp's floating caisson, 260, 262 Schools, Haslingden, 9; Monkland, Leo- minster, 16; national, Coventry, 400; parochial, Exeter, 460; training, Chelten- ham, 41
Schools, trade, Mosely on (rev.) 17 Schools, warming and ventilation of, 295 Science and art, past and present, Harding on, 68; mechanical, progress of, 134 Scoresby, on variation of compass in iron ships, 398
Scott's proposed cathedrals (rev.)321 Scotland, Ordnance survey of, 49, 81 Screw engines, direct-action, 193 Screw pile, Mitchell's system, 412 Screw propeller, Fisher's, 388 Scythes, Greenleaf's, 37
Sea water, action on cements, 388; coating for protection from, 104, 154
Sea worm, coating to prevent ravages, 104,
Sebastopol, sunken ships at, 426 Semmering railway atlas, 381 Sepulchral monuments, Bonn cemetery, 351
Hair, physiologically considered, Row- Sewage, Austin's subway for, 315, 383 land, 74
Healthy homes, Bardwell, 306
Louvre and Tuileries, De Clarac, 41 Museum of science and art, Lardner, 72, 312
New York crystal palace, Carstensen, 345 Outward bound, Webber, 114 Patents, American commissioner's report, 112, 149, 461
Perspective, first principles, Duffin, 11 Railway over the Sommering, Genga, 381 Railways and permanent way, Adams, 11 Sewage of cities and towns, Moore, 381 Spires and towers of the medieval churches of England, Wickes, 9
Steam engine, for practical men, Hann, 134
Surveyor's guide, Duncan, 272
Surveyor's manual, Bean, 424
Symbolism in art, White, 98, 136
Telegraph, electro-magnetic, Turnbull, 308, 347
Trade schools, Moseley, 17
Ventilation and warming, Lloyd, 163
Warming and ventilation of rooms, Lloyd, 163
Rhine, ironworks on the, 25
Richardson's life-boat, 397
Rickman, address to architectural associa- tion, 419
Sewage and manure, treating, 14; Hera- path, 107
Sewers' commission and board of health, 125, 169, 254, 291
Sewers, egg-shaped, formula for, 115 Sewer, northern high level, 169, 205, 223, 286, 341
Sewerage, Rawlinson on, 435
399; Bardwell, 308; Bayliss, 106; Bris- tow, 106; Fairbairn, 399; Guthrie, 175; Hume, flour mills, 118; Prideaux, 153; Simpson, 196; Williams, 196, 365, 399, 465; Woodcock, 465 Smyth, on time-ball, Edinburgh, 32 Soapstone, employment of, 317 Solidification of bodies by pressure, 394 Sommering's telegraph, 308 Sopwith, on models and diagrams, 327 Spars and masts, McGavin's, 66 Spencer's india-rubber buffer spring, 72 Spires of medieval churches of England, Wickes on (rev.) 9
Springs, vulcanised india-rubber, 72 Staffel, on assaying precious metals, 56 Staffordshire, college of design, 117 Stand pipe, Philadelphia waterworks, 337 Standards of length and weight, 275 Standing orders of parliament, 89 Starch in fresco painting, 358
Stave dressing, Elliott's, 154; Warner's, 154 Steam boiler explosion, Rolinson on, 16 Steam boiler gauge, Echol's, 27 Steam boiler, improved, 152 Steam boiler regulator, Clark's, 248 Steam boilers of the Arctic, 397 Steam boilers, Roebling on, 343 Steam engine air pump, 225; direct action screw, 193
Steam engine, Fuller's, 316; Milner's, 272 Steam engine for practical men Hann (rev.)
Steam engine, Rankine on, 393 Steam engine, pendulous reciprocating, 88 Steam-engine valve, 8
Steam expansion, Roebling on, 342 Steam travelling crane, 444 Steam frigates for the United States, 342 Steam generator, Moinier's, 75; Hawk's, 110; Watson's, 110
Steam high pressure, Prosser on, 397 Steam navigation, Russell on, 387
Sewerage of cities and towns, Moore (rev.) Steam plough and drill, Dussuc's, 105
River improvements-Foyle, 53; Lee, 116; Shafts, for smoke consumption, 175
Roads and floors, Lillie's, 107
Roads, macadamised, Smith on, 115 Robinson's sheets from slag, 327 Rock-boring apparatus, Kraut's, 335; for blasting, Nasmyth's, 400 Roebling, on expansion of steam, 342; on steam boilers, 343
Rolinson's apparatus for preventing boiler explosions, 16
Roof-iron warehouse, Paris, 425, 463; Smithfield market, Manchester, 88 Rooms ventilation of, Lloyd (rev.) 163 Rosewood, remarks on, 147
Rotary dredger, Fonde's, 400
Rotary engine, Andrew's pat. 60; Bristol's,
Rotary from reciprocating motion, 27
Rotation of the earth, Foucault on, 396 Rotation of the pendulum, 313 Rotherhithe marshes, 117
Rovere's pipes with wedgeular joints, 248 Rowland, on human hair (rev.) 74 Royal academy exhibition, 233
Steam pressure controller, Williams', 227 Steam slide valve, Rees', 225 Steam ships-Arctic, 397; Baron of Ren- frew, 35; Christiana, 33; City of Norwich, 33; Enterprise, 156, 125, 236; Golden Age, 31; Rattler, 34; Tonning, 33; Wave Queen, 33
Steam-ships of America, 312 Steamers, ocean, construction of, 33 Steel, grinding, Chesterman's, 232 Stenheil's telegraph, 311 Stenhouse's charcoal respirator, 315 Stephenson on drainage of metropolis, 223; on Victoria bridge, Montreal, 211 Stetson, on bee-hive boiler, 266 Stevelly, on supporting power of piles, 399 Stevenson, on Foyle navigation, 58; on light for Goodwin Sands, 61; on dipping and apparent lights, 107 Stirling's air-engine, 393 Street railways, 52 Streets, new, 81
Strains on tubular bridges, 26 Stuffing boxes, Weatherley's 67 Sturgeon's telegraph, 348 Sturm, on cylindrical lenses, 395 Stone, action of atmosphere on, 298; artifi- cial, Giret's, 65; Ransome's, 335 Stone-dressing machine, Matthews, 76 Stone, indurating, 31; protection from decay, 382
Stoneware drain pipes, wedgeular jointed,
Stones, locking, for lighthouses, 344 Store, iron, Payta, Peru, 185 Stoves, Gore's, 75; Lloyd on, 164 Sub-arch tunnels, Austin's, 315, 383 Submarine telegraphs-Brett's, 395; Bake- well on, 395, Varley on, 395
Signals, railway, 399; Cowvan's, 266; Gos- Submarine tunnels, iron, 108
ling's, 232
Signal switch, 149
Simpson, on smoke prevention, 196 Simpson's pendulous steam engine, 88 Silica, Barlow on, 382
Silver, asaying, 56; coinage, U. S. 407 Sinclair's light for Goodwin, 61 Sketches, architectural, at Lille, 2
Royle, on paper making materials from Slabs for roads and floors, Lillie's, 107 India, 330
Slag, sheets from, Robinson's, 327 Slates, influence of atmosphere on, 298 Sleepers, Adams on, 13; Carr's pat. 33; Pym's, 229
Slide valve, Rees', 225
Sliding caisson, Keyham docks, 237, 258,
Smith, on macadamised roads, 115 Smith, on ventilation of Great Pyramid, 48 Smith (Angus), analysis of Birmingham waters, 448; on sanitary improvement, 102 Smith (Pigott) on Birmingham water supply
Smith's water wheel, 191
Smithfield market roof, Manchester, 88 Smithsonian institute, Washington, 157
Supplementary valve, Birkinbine's, 148 Surcharged steam, Prosser on, 397 Surfaces, ornamental, Iglesia's, 103 Survey, Ordnance, of Scotland, 49, 81 Surveying, Dixon on, 263
Surveyor's guide, Duncan (rev.) 272; manual, Bean's (rev.) 424
Suspension bridge, Reed's, 424; taper and parallel, 176
Suspending eaves troughs, 225 Swansea docks, 328; floating dock, 88; water supply and drainage, 246 Swinburne's glass manufacture, 105 Switch pointer, 149; safety telegraph, McRae's, 27, 137
Switch, Carr's pat. Dick's, 111; Perring's,
Sydney royal mint machinery, 317 Symbolism in art (rev.) 98, 136
Talbot's motive power, 66; electro magnetic machine, 66
Taper and parallel suspension bridges, 176 Tapering double-lever bridge, 352 Taylor's water meter, 187, 304 Telegraph, electric, Turnbull on, 308, 347
Telegraph for drawbridges, 137; submarine apparatus, Allan's, 334; McRae's, 27; switch, 187 Telescope gasholder, Philadelphia, 384 Tempering steel, Chesterman's, 232 Tennessee (U. S.) state capitol, 45, 157, 161 Thames bridges, report on, 350, 430 Thames marshes, 331, 376 Thayer's truss bridge, 336 Theatre, Aix-la-Chapelle, 168; Phoenix, New York, 805
Thuasne's system of iron flooring, 54, 133 Thum's varnish brushes, 423 Timber, effects of atmosphere on, 301 Time ball, Edinburgh, 32
Tin, imports and exports, 318 Todhunter's analytical statics (rev.) 134 Tool holders, Chamberlain's, 126 Topographical maps, Dawson on, 421 Torquay, Wesleyan chapel, 161 Tottenham drainage and water supply, 177, 182, 254
Tower, Philadelphia waterworks, 337 Towers of medieval churches of England, Wickes on (rev) 9
Town hall, Bradford, 393; Burslem, 288,
Towns, Rawlinson on drainage, 435 Trade schools, Moseley on (rev.) 17 Training college, Cheltenham, 41 Travelling crane, 444
Trip hammer, Peer's, 225 Tromer lodge, Down, Kent, 296 Trotman, on filtration of water, 249 Trubshaw, memoir of, 58 Truss beams, Reed's, 424 Truss bridge, Thayer's, 336 Truss rods, Cox on, 122
Tubular bridge plates, resistance of, 26 Tuilleries and Louvre, 41
Tunnel, iron subinarine, 108; sewers for drainage of metropolis, 251, 341; sub-way, Austin's. 315, 383
Turbines, Boyden's pat. 37, 38; Smith's. 191 Turnbull, on electric telegraph, 308, 347 Turning machine, Gear's, 110 Turntable, Lloyd's, 51
Twining, on architecture as represented in pictures, 290
Tyndall, on motion of liquids, 390 Tynemouth bars, 25
Upholsterer's assistant (rev.) 145 Vail's telegraph, 311
Valves, Andrews', 60; Baldwin's, 38; Bar- rinton's, 108; Fuller's, 316; Mann's, 38; Townsend's, 38; Waterman's, 163 Valve for caissons, 362; for marine engines, 8; pumping engines, 56
Valve, self-acting, Rolinson's, 16; Prideaux's 153; slide. Rees', 225; supplementary, 148; throttle, Anderson's, 111 Valve cocks, Griffiths', 226 Varley, on telegraph systems, 395 Varnish brushes, Thum's, 423
Vaux's system of iron flooring, 54, 103 Velocimeter for ships and currents, 288 Vertical plates, resistance of, 26 Veneering, Burnapp's, 110 Venetian screw propeller. 388 Ventilation, Arnott on, 201. 289; Meigs on, 162; of the Great Pyramid, 48; of ships, Ashley's 388; of rooms, Lloyd (rev.) 163; of schools. Arnott on, 295; of mines, 296 Ventilator, Leeds' 154
Viaduct failure, Nixon on, 253 Viaducts and bridges, Macintosh's, 316 Victoria bridge, Canada, 211, 252 Vienna, bridge at, 321; cathedral restora- tion. 351; market house near, 161 Visconti, memoir of. 46
Vision, fallacies of. Lardner on, 73 Voslau, market house. 161 Vulcanised india-rubber railway carriage springs, 72
Westminster palace decorations, 85, 357 Wesleyan chapel, Torquay, 161 Westley's sash fastener, 66 Westrupp's conical mill, 121 Wheatstone's telegraph, 311 Wheel fly, large, 399 Wheel, Adams', 311; Maim's, 111 White, on symbolism in art (rev.) 98, 136 Whitney's inkstands, 24 Wickes, on towers and spires of medieval churches of England (rev.) 9 Williams, on smoke prevention, 196, 365 Willow dock, 354
Wilson, on charcoal respirator, 315 Wilson, on mints of the U. S. 407 Wilson's pat. propellers, 7 Window, dormer, Hill-hall, 460 Window sash, Gribbon's, 424
Westminster bridge, report on rebuilding, Window sash fastener, Westley's, 66 Windows, Winston on painting for, 18, 43
Winston, on glass painting, 18,43 Wing propeller, Wilson's pat. 7 Wood effects of atmosphere on, 301 Woods' report on coal for locomotives, 340 Woodcock, on smoke combustion, 465 Woodruff's eaves troughs, 225 Woolwich marshes, 331, 376 Wrede's gas-and-air engine, 68 Wright's quartz treating machinery, 209 Writing, illuminated, Ruskin on, 457 Wyre light, 413
Yates, on uniformity in weights and mea- sures, 154, 193
Zinc, action of atmosphere on, 303; imports and exports, 318; works, Jersey, U. S.
Zinc-white furnaces, Renton's, 227
Rail, 13, 33, 52, 232 Ram, 373
Record office, 281 Regulator, 248 Retort, 333
Roof, 88, 384, 425
Sash, 66, 88, 424
School, 9, 16, 401, 460 Screw, 8, 388 Ship, 68
Skylight, 425
Sleeper, 13, 33, 52
Slide valve, 225
Smoke consuming, 365-72
Stand pipe, 337
Store, 185
Stove, 163-5, 204 Strut, 88
Stuffing-box, 67
Subway tunnel, 383 Survey instrument, 109 Switch, 33, 137, 149, 232 Telegraph, switch, 137, 149 Town-hall, 288, 324, 393 Truss, 336
THE NEW YORK FUBLIC LIBRARY
ASTOR, LENOX AND TILDEN FOUNDATIONS
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