Strength of materials, Buchanan on, IS, 381 ; Os- 

 borne on, 83; Thompson on, 41 

 Strode's self-lighting gas-burners, 191 

 Stucco colouring and whitewash, 288 

 Stumer's enamel for iron, 302 

 Style in architecture, Cockerell on, 254; .Candidus 



on, 323 

 Suarc^, on the oxalis crenata plant, 157 

 Sub-aqueous telegraphs, chain pipe for, 304 

 Submarine foundations, Mitchell on, 35 

 Submarine telegraphic experiments, 61 

 Substitute for tlje crank, Kisdon's, 328 

 Sun, formula for finding the distance of, 51 

 Sunderland dock groynes, 156 

 Supply of water to boilers, VFard on, 304 

 Supply of water to London, 58, 357, 358 

 Survey of England, 320 

 Suspension bridges, Russell on a new principle 



for, 380 

 Suspension bridge, Chester, 320 

 Suspension bridge, Pesth, 64, 287 

 Suspension bridges' vibratory strains, Cos on, 107 

 Swaine's pat. brick and tile kiln, 81 

 Swivel bridge at Falkirk, 191 



Tables of curves for Kailways, Kennedy, 318 

 Tar, coal, Smith's patent preparation, 179 

 Tate's Euclid's elements of geometry (rev.) 328 

 Taylor's pat. construction of walls, 301 

 Taylor's pat. ships and paddle-wheels, 81 

 Taylor's pat. metal tubes, 22 

 Taxation, railway, Laing on, (rev.) 72 

 Telegraph, electric, Bakewell's coying, 2L7, 311 ; 



Highton on, 92; Holmes on, 28; in England, 



352 ; Ricardo's pat. insulating wire, 118 

 Telegraph posts, Hall's improvements, 352 

 Telegraph, subaqueous, Whishaw on, 304 

 Telegraph, submarine, 61 

 Temperature and elasticity of steam and other 



vapours, Kankine on, 366 

 Tempering edge-tools, 288 

 Temple at Jerusalem, I'Anson on, 120 

 Tenant right, Shaw and Corbett (rev.) 120 

 Teredo Navalis, Patou on ravages of, 382 

 Termagant screw frigate, trial of, 384 

 Thames steamboats, 96 

 Thomson, on strength of materials, 41 

 Thompson's tubular beam bridge, 57 

 Tidal river obstructions, Harrison on, 223 

 Tidal rivers, improvements of, Stevenson, 123, 149 

 Tides in the German ocean, 96 

 Tide-winding apparatus, Roberts's pat, 313 

 Timber preservation, Vernet's pat., 351 

 Timber roof. Earl of Lovelace's, 222 

 Timber roofs of middle ages, Brandon (rev.) 225 

 Time signal for railways, &c., Torrop's, 159 

 Time-piece with india-rubber springs. Smith's, 350 

 Tobacco pipes and bricks, Skertchley's pat., 55 

 Tools, method of tempering, 288 

 Torrop's railway and steamboat time signal, 159 

 Towns and buildings, drainage of, Dempsey, 318 

 Tracery, geometric design in. Billing, 30 

 Trains, velocity of. Captain Moorsom on, 222 

 Transit on railways, economy of, Samuel on, 374 

 Transverse strain of materials, Buchanan on, 13 

 Trapezium float-wheels, Rennie's pat., 259 

 Trembley's (Du) combined-vapour engine, 7 

 Trigonometry, plane, Hann's elements (rev,) 318 

 Tubes, casting of. Shanks' pat., 334 

 Tubes, Taylor's pat., 22; Winfield and Ward's, 



pat., 113 

 Tubing, gutta-percha, 160, 256 

 Tubing, gutta percha, for water service, 255 



INDEX. 



Tubular beam bridge, Thompson on, 57 



Tubular bridge, Britannia,21S, 251,264,287, 305, 



346; accident at, 287, 305 

 Tubular bridge, Conway, 63, 251, 264 

 Tubular bridges, Britannia and Conway, Fair- 

 bairn (rev.) 251 

 Tubular bridges. Miller's, 158 

 Tubular girder bridge, Gainsborough, 255 

 Turton's pat. iron bending machine, 83 

 Tutton's pat. window-back enclosures, 281 

 Tyne river, 31; High-Level bridge on, 216,287 



Vacdcm and steam gauge, Stillman's, 169 

 Valerius steam frigate, armament for, 381 

 Valuable products of peat, 63 

 Valves,Anderson's revolving, 187; Erskine's, 350; 



Llewellin's, 335 ; Schiele's, 168 

 Valves, steam, Evans's, 52; Fairbairn's, 315; 



Gregory's safety, 5 

 Valves of pumping engines, Newton's pat., 281 

 Vaporization of water, Joule on, 344 

 Vapour engine, Du Trembley's, 7 

 Vapours, temperature and elasticity, Rankine, 366 

 Velocity of trains, Moorsom on, 222 

 Veneer-cutting, Fontainemoreau's pat,, 115 ; 



veneer-joining, 152 

 Venice, Giant's staircase, 4 



Ventilation and warming of houses, Hall on, 158 

 Ventilation of coal mines, Brunton, 187, 308; 



Edgington, 186; Gurney, 127; Nicholson, 314 

 Ventilation of mines, Gordon's pat., 372 

 Ventilation of public buildings, Ritchie, 159 

 Ventilation of sewers, Gurney's steam-jet, 351 

 Vernet's pat. for timber preservation, 351 

 Vibratory strains of suspension bridges. Cox, 107 

 Victoria and Albert yacht, cost of, 383 

 Vitrified lace-pattern glass, 286 

 Vohl, on silvering glass by gun-cotton, 191 

 Voltaic ignition. Grove on, 126 

 Vulcan steam frigate, launch of, 96 

 Vulcan steam frigate, spare screw propeller, 384 



\V 



Wages and Prices — 1842 to 1849, Porter, 345 

 Wales (Prince of), boat for, 224 

 Wales, gold mines in, 63 

 Wallenn's galvanic batteries, 344 

 Walls, sea, Rankine on, 265, 319 

 Walls, construction of, Taylor's pat., 301 

 Want and Vernum's steam-engine, 24 

 War steamers for Germany, 96 ; for Austria, 288 

 Ward, on the supply of water to boilers, 3Q4 

 Warming and ventilating of houses. Hall on, 158 

 Water and gas meter, Parkinson's pat., 311, 336 

 AVater and gas pipes, india-rubber joints, Wick- 

 steed on, 26 

 Water Colours, Society of Painters in, 166; ditto, 



New, 166 

 Waterclosets, doubly-trapped, Bunnell's pat., 119 

 Water, discharge of from reservoirs, Bayer on, 243, 



261, 291 

 Water, preservation of, 282 

 Water, poisoned, 256 

 Water-meter, Carrick's, 350 

 Waterproof paper, Brindley's pat., 373 

 Water service, experiments upon gutta percha tub- 

 ing for, 255 

 Water supply of London, 58,357,358 

 Water supply of Plymouth, Beardmore on, 25 

 Water test, 127 

 Water-wheels, Fairbairn on, 60, 232 



Wave principle for construction of steam vessels 

 Russell on, 344 



Wax-candle safety mining-lamp. Crane's, 24 



Weale's quarterly papers on engineering (rev.) 167 



Weale's rudimentary treatises (rev.) 16, 318 



Webster, on deep draining, 123 



Wells, artesian, Dr. Buckland's lecture on, 279 



Wells, artesian, Homersham on, 378 



Wellington statue in the tower, 31 



Werdinsky, on xyloidine as amotive power, 160 



Westminster new palace, illustrations of (rev.) 273 



West on boiler crust, 187 



Wharton's pat. railway-wheels, 218; Green and 

 Newman's, 334 ; Newton's pat., 300 



Wheels and axles, Kilner's pat., 372 



Wheels, railway, solid wrought-iron. Smith's, pat., 

 199; Wharton's pat., 818 



Wheels, trapezium float, Rennie's pat., 259 



Wheels, correct sizing of teeth, Roberts on, 304 



Whewell, Dr., on Gothic architecture o" Germany, 

 379 



Whichcord, on sanitary condition of Maidstone, 72 



Whishaw, on telegraphic communication, 311 



Whishaw's chain-pipe for subaqueous telegraph, 304 



Whitaker's new style of ornamentation (rev.) 149 



White's fire-engine, 61 



White-lead manufacture, Pattinson's pat., 301 ; 

 Richardson's pat., 115 



White's letter to Lord J. Russell on railways ia 

 Ireland (rev.) 167 



Whitewash and stucco colouring, 288 



Wicksteed, on india-rubber joints, 26 



Williams, on land drainage, 59 



Wilkinson (Sir G.), on origin and history of the 

 pointed arch, 255 



Wilson's model dwellings at Glasgow, 350 



Window-sash, Dean's 94 



Window, ornamental cast-iron, 63 



Windows, projecting back enclosures, Tutton, 281 



Winfield and Ward's pat. taper tubes, 113 



Woodcock's pat. steam-engines and hydraulic ma- 

 chines, 178 



Woodcroft, on steam navigation, 60 



Wood, Hartig's experiments on duration of, 383 



WooUett's pat. gun-carriages, 371 



Woolwich arsenal, 31, 192 



Workmen's model houses in towns, Wilson's, 350 



Wright's electro-magnetic coil-machine, 158 



Wrightson's analytical investigations of cast-ir0D,342 



Wrought-iron cofferdam, 62 



Wrought-iron solid railway-wheels, Smith's, 199 



Wyatt (D.) on metal-work and artistic design, 186 



Wyatt's report on the French Exposition of pro- 

 ducts of industry, 355 



Wyld's map of London (rev.) 318 



X 



Xyloidine a motive power, Werdinsky, 16 



Y 



Young's pat. smelting and refining lead 



orgs, 119 

 Young surveyor's preceptor, J. Reid (rev.) 22 



Zinc, co.ating iron with, Riepe on, 255 

 Zinc deposit of galvanic batteries, 127 

 Zinc paint, 62 

 Zinc white, 286 



