A.

Accidents, steam-boat, abstract of, 236.
And see Steam-vessel Accidents.

Adams, Mr. W. B.; railway carriages, 113,
157
Aellopodes, the, a manumotive carriage, 16,
18, 104

Aerial railway, French, 480
Aerostation, travelling by, 95, 201

Mr. Weekes's memoranda on,
290; remarks on, 368, 436
Aingeworth's patent button-making ma-
chine, 192

Air and Vapour light, Beale and Co.'s, 129
Air-blast, attractive force of a, 220
Airy's, Prof., correction of compass in iron
vessels, 29; Report on Greenwich Obser-
vatory, 312

Alarum lock, Mrs. Thompson's, 321
Ales, alcoholic strength of, 397

Alkali and chemical works, St. Rollox, 414
Alloys of metals, Fontainemoreau's, 80, 162
Colson's, 288

--, Parisian, 352

canals and railways in, 384
American railways, navigation, and manu-
factures, progress of, 170

Convention of Civil Engineers, 173
experiments on steam explosions,

Perkins's remarks on the, 185

- lakes, extent of, 287

Ammonia, solving caoutchouc with, 128
Analysis of organic bodies, Liebig's mode
of, 47

Anderson, Sir James, steam-carriage com-
pany, 96, 208, 272, 320, 384
Animal magnetism, absurdities of, 400
Annealing, effects of, on iron, 27
Antarctic expedition, 480

Anthracite coal, smelting iron with, 350, 352
Antiseptic fluid, Smith's, 125

Apples, machine for paring, &c., 124
Arago, M., on preventing hail storms, 31;
on preserving towns from lightning, 231
Archer and Taverner's paper-hanging mak-
ing machinery, 151

Archimedes steam-vessel, the, 79, 172, 225

Argand lamps, experiments with, 413
Artesian well, at Grenelle, 463
Artists, Society of British, conversaziones
of, 32

Artist's-easel, Rev. W. Horner's, 176
Artist's-grounds, priming cloth for, 334
Arts, Society of, insufficiency of prizes of-
fered by, 103, 117, 180; prizes awarded by,
for 1839, 188; Secretaryship of the, 221
--, Scotch, list of prizes for

1839, 272
Arts and Artizans at Home and Abroad,
Symons's, 303

Asphalts, analysis of the different, 378
Astronomical observations, Greenwich, 313
problem, by Mr. W. Shires,

326
Atmosphere, resistance of, to railway trains,
37, 460

Austria, engineering in, 305
Axles, on the friction of, 66

B.

Bacon's patent gas burners, 100
Baddeley, Mr. W.; manumotive exercising
carriage, 17; fire reports, remarks on, 35,
106; portable printing press, 40; on fric-
tion and the employment of anti-friction
rollers, 66; defence of the London fire-
brigade, 68; Merryweather's pedomotive
carriage, 101; portable dam for fire-en-
gines, 117; on the London fire brigade,
146; Bunnett and Corpe's concentric
steam-engine, 210, 251, 313, 389; hard-
ening iron with prussiate of potass, 372
Baldock, Lieut., on steam navigation to
America, 147

Balloon. See Aerostation.

Barlow's, Prof., experiments on iron, 29;
experiments on the compass in iron ves-
sels, 30

Baroscope, Mr. Cooper's, 94

Beale and Co.'s air and vapour light, 129
Beart's patent coffee pot, 116, 273
Beaufoy's Col., hydraulic experiments, 230,
396

Becquerel's experiments on light, 480
Beet-root sugar, American, 170
Belgian government safety-valve, 401
Belgium, progress of machinery in, 303
Bells, dissipating thunder storms by, 235
Berry's nail-making machinery, 330
Bethell's mode of preserving wood, 309
Bickford and others v. Skewes, case of, 399
Bilge-pumps, working steam-vessel, 268, 285

dow, 181, 189

Bingham and Boaden's artificial ivory, 432
Birds, lecture on structure of, 112
Bitumens, analysis of different, 378
Black, japan varnish, mode of making, 154;
Brunswick, 154; Iron-work, 154
Blaenavon iron works, 349
Blast furnaces, Poe's patent, 411
Blasting, use of the galvanic battery in, 378
Bleaching apparatus, Wright's patent, 86
Blowing-out apparatus, Seaward's, 78, 353
Blue, Woodcroft's mode of printing calicoes,
123

Boats, steam-vessel paddle-box, Capt.
Smith's, 268

necessity of, 269, 285
Boiler, hot water heating, Williams's, 440
-, soap and sugar, Hearn & Davies's, 2
steam. See Steam Boiler-Steam
Boiler Materials-Steam Vessel Acci-
dents.

Boilers, blowing-out, Seaward's mode of, 78
Bonney and Co.'s patent railway wheels, 87
Boots, French defensive, 48

and shoes, Dowie's patent, 271
wire sewn, 384

Bramah's railway carriage wheels, 381
Brandreth's patent anti-friction axle, 65
Brass, substitute for, Fontainemoreau's, 162
Brass-lacker, mode of making, 155
Break, railway carriage, Curtis's, 97
Breathing apparatus for miners, Bursill's, 33
Breech-loading gun, Lepage's, 200

Jenks's, 203

Brick and tile-making machinery, Marquis
of Tweedale's, 62, 192, 241
Bridge, floating, the Tamar, 144
British Association, model room of, 176;
proceedings at Birmingham, selections
from, 428, 442, 456, 463

British Queen, log of the first voyage of the,
383, dimensions of, 270. See Steam Ves-
sel Building.

Bronze, imitation, Fontainemoreau's, 80, 162
Brown spirit varnish, mode of making, 155
Brown's patent wooden pavement, 338
Bude-light, Gurney's, 96, 176, 320
Buffer, railway, Curtis's patent, 97
Burstall's patent, 422

Building stones, official report on, 432
Buunett and Corpe's concentric steam-en-
gine, 209, 230, 251, 329, 343, 373, 388,
407, 408

Bursill's miner's safety-lamp, 33
Burstall's pneumatic carriage spring, &c., 422
Button-making, Carpmael's lecture on, 191
C.

Cabinet varnish, mode of making, 153
Calico printing, Woodcroft's patent mode
of, 123

Camera obscura for photogenic drawing, 466
Canals in America, number of, 384

case of, 399

quantity evolved by can-

271

Card-making machine, improved, 448
Carding engines, improvement in, 305
Carlisle cathedral window, analysis of, 181
Cary's patent wooden pavement, 336
Case-hardening iron, improved modes of,
372, 453, 479
Cast-iron, Fairbairn's
strength, &c. of, 88

112;

experiments

on

Chanter and Co.'s locomotive fire-box, 81,
marine boiler furnace, 84, 331
Cheese cement, mode of making, 122
Cheverton's, Mr. B., mechanical sculpture,
29; on Daguerre's photogenic process,
424

Chinese varnish, mode of making, 155
Christison, Dr., on the alcoholic strength of
wines, 397

Chubb's fire-proof safe well, 384, 437
Church's, Dr., nail making machinery, 330
Civil engineers, American convention of, 173
, College of, 439

Clay and Smith's improvements in glass
making, 168

Clegg's pneumatic railway, 96, 184
Clocks, illuminating with Bude light, 320
Cloth, woollen, making, by felting, 400
Clyde engineering. See Steam Vessel Build-
ing.

Coach varnish, mode of making, 153
Coal, use of, in railway locomotives, 82

in Belgium, importance of to manu-
facturers, 304

352

anthracite, smelting iron with, 350,

artificial, Geary's patent, 300
Stirling's, 336

Goodwin's, 340

Coal-mines, accidents in, 127
Coathupe's, Mr. C. T., mode of graduating
glass tubes, 430; on case-hardening iron,
pulse indicators, and carbonic acid gas,
453

Cockerill's, Messrs., of Liege, factory at
Seraing, 303, 335; memoir of, 335
Coffee-making machines, Palmer's, 116;
Beart's, 116, 273

Coke, on the use of, for smelting, 204
Coles's patent anti-friction wheels, 66
Collisions of steam-vessels, instances and
means of preventing, 261, 286; and see
Steam-vessel Accidents.

Colours of steam and the atmosphere, 394
Comet, discovery of a new, 384
Condenser, Mr. Hall's patent, 252, 324,
391, 403, 405, 434, 471, 473

-, electric, Peclet's, new, 377
Copal varnish, mode of making, 153
Copper, Thompson's mode of purifying, 92
Fontainmoreau's substitute for, 162
Copper-plate engravings transferring, 180,

189

Cornish steam-boilers, performances of, 90
engines, performances of, 208
Cornwall, mineral product of, 272
Cottam's, Mr., lecture on brick-making ma-
chinery, 62

Cotton, tenuity of fibre of, 78

-, porosity of, 462

Cotton-factories in Mexico, first, 170
Cotton-machinery, performances of, 208
Cotton-yarn, tenuity of, 79

Cowper's, Mr., lecture on pottery, 14
Crane, Mr., invention of smelting iron with
anthracite coal, 350, 352

Crank, on supposed loss of power by use of
the, 57, 101, 217, 252, 455; and see Bun-
nett and Corpe's Steam Engine.
Crank-balance for locomotives, Heaton's, 20,
117, 164

Crawshay and Co.'s iron works, 348
Creosote, preserving wood with, 309
Crystal varnish, mode of making, 154
Culinary refrigerator, Hill's, 376
Curling and Young on steam-vessel build-
ing, 266

Curtis's apparatus to prevent collision of
railway trains, 97

Cyclops steam frigate, launch of the, 325
Cylindric boilers, explosions of, 261; and
see Steam-vessel Accidents.

D.

Daguerre's photogenic process, various notes
on, 320, 424, 426, 429; description of,
426, 465; remarks on, 424; and see Pho-
togeny.

Dam, portable, for use of fire engines, 120
Daniell's, Professor, voltaic battery, 46
Daubeny's, Dr., apparatus for measuring
solar light, 428; Dr. Ure's, 456
Davies and Hearn's improved boiler, 2;
steam-engine, 240

Davy's, Sir H., safety-lamp, 126
Dawson's locomotive crank balance, 117
Daylight, apparatus for measuring, 428, 456
Designs of Patterns, Act to protect Copy-
right, 272

Devon, mineral product of, 272

D'Harcourt's artificial granite, 176, 464
Diving apparatus, Thornthwaite's, 181, 189

on board steam-vessels, causes and
effects of, 260, 285

steam-engine, how to extinguish, 257
Flame, Faraday's lecture on, 126
Flax, tenuity of thread of, 79
Floating-bridge, the Tamar, 144
Flock-paper hangings, manufacture of, 150
Flowers, soap-suds for nourishing, 319
Flues, cylindrical boiler, construction of, 25
Fontaine moreau's alloys of metals, 80, 162
Forbes, Professor, on the colour of steam, 394
Forge, smiths, Binney's improved, 411
Foxe's, Mr., electrical experiments, 446
France, engineering establishments in, 304
French steam-engineers, boasting of, 115,
183

Fresco-painting, Merimee on, 121
Fresnel's lamp, experiments with, 413
Frozen wells at Owego, 319

Fuel, artificial, Geary's patent, 300

Gas-lamps, simultaneous lighting of, 74
spirit, improved, 112

Gas-making, defects in present mode of, 5
Heginbotham's improvement

in, 48

Gas-purifying apparatus, Hutchison's, 161,
336

Gas-retorts, destruction of, 7
Gas-water manure, 464

Geary's patent coal, 300
Geology, use of, to farmers, 32
of Russia, 48

German silver, mode of analysing, 190
Gilding, Elkington's new mode of, 464
Glass, tenuity of thread of, 79
Glass, mode of perforating, 160
Glass-making, Clay and Smith's mode of, 168
Mr. Griffith's lecture on, 171
Glascott and Mitchell's nail-making ma-
chine, 330

Glasses, optical, Dr. Ritchie's, 315
Gloves, improvement in, 352, 399
Glynn's machine for cutting railway-bars, 93
Gold-lacker, mode of making, 155
Golpin's photogenic drawings, 94
Gordon, Mr. Alexander, evidence on steam-
carriages, 282

Gorgon steam-vessel, performances of, 325
Gottlieb's patent anti-attrition axle, 65
Graduating glass tubes, Coathupe's mode
of, 430.

Granite, D'Harcourt's artificial, 176, 464
Gray's improved teeth instruments, 181, 189
Great Western, dimensions of the, 270; and
See Steam-vessel building.
Greenhouses, for cities, 32

Greenwich Observatory improvements in,312
Griffith's lecture on glass-making, 171
Grove's new voltaic battery, 447
Guest's and Co.'s iron works, 348

Gunpowder, improvement in manufacture
of, 123

Guns, calibre of ships, 96

Gurney's Bude-light, 96, 176, 320

H.

Hague's railway carriage-wheels, 382
Hail-storms, preventing, M. Arago on, 31
Hale's patent propeller, 228

Hall's, Mr. S., patent condensers, 252, 324,
391, 403, 405, 434 471, 473
Hampton's, Mr., parachute descent, 201
Hancock's, Mr. Walter, steam-carriages, 48,
96, 201, 280, 320, 346, 383, 420
Mr. T., portable pontoons, 71
Hancorn's rail-making apparatus, 330
Hanshard's plan for weaving wide velvet,
181, 189

Harper and Joyce's stove and fuel, 55
Harris, Mr. Snow, electrical experiments,
46; on electrical attraction, 218
Havell's Mr. photogenic engraving, 29
Hawk's railway carriage-wheels, 381
Hawkins, Mr. J. I., on wooden pavements,
303, 442