Hoisting macliine, Archambault's steam, 373 

 Hollow brick ceiling, Liverpool, 158 

 Holmes, on electric telegraphs, 28 

 Honiershani, on artesian wells, 378 

 Hosiner's self-acting house-cistern, 312 

 Hothouses, Cooper on roofs and glazing of, 187 

 Houpt, on resistance of posts to flexure, 302 

 Howard, on rolling bars of suspension bridges, 222 

 Howell's glaziers' machine, 187 

 Howell's machine for cutting standing timber, 187 

 Hunt's pat. extraction of metals, 56 

 Huntington, on measuring earthwork, 12 

 Hutchinson, on poor-rates of metropolis, 383 

 Hydrant, or firecock, Hateman and Moore's pat., 



IGC; Forester's, 83 ; Lambert's, 155 

 Hydraulic dock, Scott's, 29 

 Hydraulic engineering, Stevenson (rev.), 149 

 Hydraulic engineering, report of committee on 



Dee navigation (rev.), 149 

 Hydraulic limestones, Kuhlman on formation, 286 

 Hydraulic machines, 313, 352 

 Hydraulic press, Dall's, 94 

 Hydraulic pressure engines, Glynn on, 28 

 Hydraulic steam-engines. Woodcock's pat., 178 

 Hydro-carbonic illumination, Mans&eld, 156 



I'Anson on THiiroRM or Solomon's temple, 120 

 Illegible manuscript, restoration of, 255 

 Important decision on rating case, 253 

 Improvement of tidal rivers, Stevenson (rev.), 149 

 India, Smith on irrigation of land (rev.), 359 

 Indian railways and steam navigation (rev.) 86 

 Indian river navigation. Bourne (rev.) 271 ; Shep- 

 herd, on improvement of, 321 

 India-rubber joints, Aikin on, 27 ; Wicksteed,26 

 India-rubber springs for rigging, Newall's pat., 



352; for time-pieces. Smith, 359 

 Industrial schools for paupers, 347 

 Institute of British Architects, 9, 30, 57,60, 92, 

 120, 158, 22:i, 254, 379 ; award of prizes, 158, 

 224, 255 

 Institution, Builders' Benevolent, 224 

 lostitutioa of Civil Engineers, 35, 60, 93, 121, 



129, 156, 184, 222, 382 ; award of prizes, 61 

 Institution of Mechanical Engineers, 61, 180,278, 



297, 374 

 Insulating wire of telegraphs, Iticardo's pat., 118 

 Irish railways, White's letter on (rev.) 167 

 Iron and metallic compounds, Stirling's pat., 151 

 Iron and steel manufacture. Greener on, 306 

 Iron bars, Shaw's pat., 114 

 Iron beams. Porter's pat., 58, 250 

 Iron bridges, strength of, Buchanan on, 13 ; Os- 

 borne on, 83 

 Iron buildings fur California, 319 

 Iron, cast, Wrightson's analysis of, 342 

 Irou, coating of with zinc, Kiepe on, 255 

 Iron cofl'erdani, Brunei's, 62 

 Iron, enamelling of. Stumer on, 302 

 Iron fire-proof flooring, Beardmore's pat., 120 

 Iron girders, Gardner's pat., 250 

 Iron ladders, 127 

 Iron lattice bridge, Blair's, 161 

 Iron lirjks fur chains and cables, Price's, 352 

 Iron manufacture, Booker on, 95 ; Lee's pat., 82 

 Iron oxides, Longniaid's pat., 179 

 Iron pipe moulds, Stewart's pat., 280 

 Iron pipes enamelled, 62 

 Iron plates, Turton's pat. for bending, 83 

 Iron, rolling of. Clay's pat., 249 

 Iron roof, Liverpool railway station, 320 

 Iron steam-frigate, Megajra, 192 

 Iron steam-vessels ou the Ganges, Robinson on, 49 

 Irou, soldering of cast with wrought, 191 

 Irrigation of laud in India, Smith (rev.), 359 

 Isaac's (St.) church, Petersburgh,9 

 Isomelrical perspective, Clark on, 3 

 Ivory manufacture, 320 



Jerusalem, Antiquities of, 92 



INDEX, 



Jerusalem, I'Anson on temple at, 120 



Joiners' morticing machine, Furness's pat,, 351 



Jopling's impulse to art (rev.) 332 



Jordan, on carving machinery, 28 



Joule, on heat of vaporization of water, 344 



K 



Kilns, Brick and Tile, Ainslie Company's, 188 



Kilns, Swaine's pat., 81 



Kilner's pat. axles gnd wheels, 372 



Kuhlmann, on hydraulic limestone formation, 286 



Ladders, Iron, 127 



Laing, on railway taxation, 72 



Lambert's hydrant, 155 



Lancefield forge, description of, 351 



Land drainage, Webster on, 123 ; Williams ou, 59 



Launch of vessels — Bolivia, 288; Bombay, 95 ; 



Megaera, 192 ; Vulcan, 90 ; Propontis, 384 

 Law of Patents, report of committee, 275 

 Lead ores, refining and smelting. Young's pat. 119 

 Lecture at Putney college, Clegg's, 337 

 Leeds, ou the orders of architecture (rev.) 16 

 Lee's pat. manufacture of iron, 81 

 Le Molt's pat. electric light, 80 

 Levelling staves, Pembertou on graduation of, 363 

 Letter on Irish railways. White (rev.) 167 

 Library, architectural lending, rules of (rev.) 275 

 Life of George Stephenson, 6, C8, 103, 170, 205 

 Lift, pneumatic, Gibbons's, 297 

 Light, parachute, Capt. Boxer's, 383 

 Light, artificial, Braude on, 95 ; Daubeny, 127; 



Mansfield, 156 

 Light, electric, Le Molt's, 80; Payne's, 127 

 Lighthouses and breakwaters, Smith on, 380 

 Lighthouse, Bell Rock, 77, 123, 130, 180,253 ; 



Cape Pine, 287 ; Fastnett rock, 128 

 Lighthouse lamps and reflectors, 287 

 Lighthouses, history of, 247 

 Lights, fixed and revolving, Stevenson on, 349 

 Limeasb floors, 64 



Limestones, Kuhlmann on hardening of, 286 

 Liquid glue, 288 



Liquids, expansion of, Rankine on, 348 

 Lists of new English palents, 32, 64, 96, 128, 160 



192, 224, 250, 2SS, 320, 352, 384 

 Liverpool braucli bank, Candidus on, 322 

 Liverpool, North-Western railway station at, 319 

 Llewellin's pat. valves and cocks, 335 

 Locomotive boiler, Ramsbottom's, 278 

 Locomotive engine, Craropton's pat., 157, 184; 



Thorutun and McConnell'spat., 176 

 Locomotive engines, centre of gravity, 216 

 Locomotive engines, usciilationof, Heaton ou,308 

 Locomotive engines, English in France, 192 

 Locomotive v. stationary-engine power, 352 

 Log-book, Borrie's companion to (rev.) 120 

 London and N.W. railway 122,192,319 

 London, map of, Wyld's (rev.) 318 

 Londou Society of Arts, 28, 00, 92, 157, 186 

 Loudon, supply of water to, 68, 357, 358 

 Longmaid's pat. oxides of iron, 179 

 Lovelace (Earl), ou timber roofs, 222 

 Lubricating composition, MuukilUrich's pat., 372 



M 



Macadamised Roads, Smith on, 306 

 Machinery, lubricating composition for, Munkil- 



Irich's pat., 372 

 McConnell's pat. locomotive engine, 176 

 McCounell, on railway axles, 375 

 McGauley's rotary engine, 314 

 Maidstone, sanitary condition of (rev.) 72 

 Malleable iron lattice bridge, Blair's, 161 

 Mallet, on oxidation and abrasion of rails, 342 

 Mansfield, on artificial illumination, 156 

 Manure and refuse of towns. Dr. Ayre on, 157 

 Manuscript, illegible, restoration of, 255 

 Map of London, ^Vyld's (rev.) 318 

 Marine engines, Napier's, 191 



Marine worms, Paton on ravages of, 382 

 Materials, strength of, Buchanan on, 13, 381 ; 



Osborne on, 83 ; Thompson on, 41 

 Materials for a new style of ornament, Whitaker 



on (rev.) 149 

 Mathias, des bibliotheques scientifiques indus- 



trielles (rev.) 274 

 Measuring earthwork, Huntington on, 12 

 Mechanical Engineers' Institution, 61, 180, 278, 



297,315, 374 

 Mediasval architecture, 05, 140 

 Megaera steam-frigate, launch of, 192 

 Metal castings, Henderson's pat., 335 ; Shanks's 



pat., 334 

 Metal, extraction of from ores, Hunt's pat., 50 

 Metal work, artistic design in, Wyatton, 186 

 Meter, gas and water, Parkinson's pat., 311, 336 

 Meter, water, Carrick's self-acting, 350 

 Miller's railway tubular bridge, 158 

 Military engineering, Fergussou on (rev.) 227 

 Mineral oil, 90 



Mineral resources of Egypt, 95 

 Minerals, rocks, &c., decomposition by water, 341 

 Mines, communication by tubes in, 96 

 Mines, prevention of accidents in, 94, 308 

 Mines, ventilation of, Brunlon on, 308 

 Mines, ventilation of, Gordon's pat., 372 

 Mining almanack for 1849 (rev), 167 

 Mining lamp, wax candle. Crane's, 94 

 Minx, screw steamer, trial of, 384 

 Mitchell, on submarine foundations, 35 

 Model dwellings for workmen, Glasgow, 350 

 Moorsom, on velocity of trains, 222 

 Morticing machine, joiners', Furness's pat., 351 

 Moses, on coal-field of South Wales, 318 

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

 Moulding machine, sheet metal, Roberts's, 305 

 Blullins, on roads, &c. in bog, 201 

 Munkittrich's pat, lubricating composition, 372 

 Mural paintings at St. Cross, 198 

 Musket ball, new, 128 



N 



Napier's marine engines, 191 



Napier's pat. barometers and compasses, 79 



Nasmyth, on the principle of railways, 52 



Nasniyth's oil test, 314 



National Bank of Scotland, 257 



National defenses, Fergussou on (rev,) 227 



National exhibition of arts, 347 



National Gallery and British Museum, 274 



Nature and art, philosophy of, Fergussou (rev.) 2, 



17, 44,73, 110, 143 

 Navigation of Indian rivers. Bourne (rev.) 271 

 Navigation of Indian rivers. Shepherd on, 321 

 Navigation of the Ganges, Robinson (rev.) 49, 86 

 Navigation of tidal rivers, Harrison on, 223 

 Neate's description of a cofl'er dam at Grimsby 



docks, 382 

 Neville, on sustaining sloping banks, 361 

 Newall's pat. india-rubber springs for rigging, 352 

 Newcastle centjal railway station, 97 

 Newcastle, High Level bridge, 216, 287 

 New Kremlin, Moscow, 94 

 New method of levelling graduating slaves, Prm- 



berton's, 303 

 New motive power, 160 

 New musket ball, 128 

 New Palace of Westminster, illustrations of, 



(rev.) 273 

 New patents, lists of English, 32, 64, 96, 128, 160, 



192, 224, 250, 288, 320, 352, 384 

 New patents, register of, 22, 53,79, 113, 150, 176, 



217,249,280,299,331, 3CS 

 New police office, Edinburgh, ventilation of, 159 

 New principle for suspension bridges and piers, 



Russell, 380 

 New railways opened in 1848,64, 

 New Society of Painters in Water Colours, 106 

 New style of ornamentation, Whitaker (rev.) 149 

 New valve nose-cock, Erskiue, 350 

 Newton's pat. coupling-joints for pipes, 118 

 I Newton's pat. pumping engines, 281 



