Account file, Good's, 70

Aerial navigation, 44, 96, 107.

Air, quantity of, required for respiration, 468
Airy, Professor, on the compass in iron
ships, 472

Alban's, Dr., steam generator, 327
Aldersey's rotary engine, 196, 197
Alloys for fusible plugs, table of, 460, 467.
See Steam Boiler Explosions, &c.
Alkali works, Muspratt's, 61
Almanac, digital, 479

America; education in, 156; act for regu-
lation of steam vessels in, 398
Amonton's rotary engine, 195

Anderson's, Sir James, steam carriage, 83,
144, 161, 211, 312, 326, 328, 380, 420,
438

Animal Magnetism and Dr. Lardner, 208
Anthracite, Sellers's iron smelting furnace,
111, 319; iron heating stove, 206; trial
of, in locomotives, 302; in France, 405
Anti-dry-rot process, Kyan's, 182; Gott-
hilff's, 206

Antimony mines of France, 408
Appleby's rotary engine, 196

Architects, Institute of British, 176, 340
Architecture of gin shops, 224

Aris's new mode of drawing parabolic curves,
42; elliptical compasses,
108
Arnott's stove, 16; improved, 100
Artesian wells, 336

Asphalte pavement, 48, 168, 170, 176, 224,
448

Astronomical question controversy, 20, 68
Astronomical tables, Utting's, 58, 137, 139,
140

Atlantic steam navigation, 13, 96, 120, 151,
240, 247, 432, 471, 472
Avery's rotary engine, 384
Axles of locomotive engines, 333
Baddeley, Mr. Wm., on parish fire-engines,

and a city fire-police, 4; ship fire-engine,
5; water-proof composition, mill belts, &c.
22; Pistrucci's mode of medal striking,
36; Joyce's patent fuel, 54; Antiphlo-
gistic fluid for preventing and extinguish-
ing fire, 55; navigable balloon, 107;
beating springs for fire-engines, 119; im-
provements in gas stoves, 136; substitute
for steam-boiler pumps, 146, 266; caout-
chouc springs, 231; Davies's fire-proof
paint, 232; locomotion on common roads,
249; revolving slide rests, 267; plagia-
rism of floating fire-engine, 279, on the
classification of pumps,279; Chinese book-
making, 328; speed on railways, 377; fire
associations, 379; singular properties of
a certain parallelogram, 397; Swiss por-
table fire-engine, 422; danger of fire from
engine flues, 434; annual report on Lon-
don fires, 451

Bambridge and Thayer's rotary engine, 196
Balloons. See Aerial Navigation.

Bands, machinery, Chaplin's, 295
Barlow's rotary-engine, 196

Barnard and Co.'s self-rolling mangle, 1
Barometer, mountain, Sir J. Robison's, 469
Barrel carriages, 181, 261

Barth's, Mr., evidence on the Victoria explo-
sion, 359; on the generation of gases in
boilers, 418

Barytes, carbonate of, mixture with white
lead, 114

Bayley, Geo. Esq., on steam navigation
to India, 98, 168, 262; 150, on the con-
struction of steam-vessels, 148

Bell's improvements in heating, &c., 317
Beams, cast iron, experiments on strength
of, 25

Birmingham workshops, Marshall Soult's
visit to, 301

Block printing, Chinese, 291
Blurton's apparatus for milking cows, 6
Boiler. See Steam Boiler.
Bookmaking, Chinese mode of, 291, 328 -
Boomarang, the, 268

Boots, waterproof, 22

Bottle-washing machine, 24

Bowring, Dr., on the mining of France, 409
Bramah and Dickinson's rotary engine, 196
Branca's rotary steam-engine, 194
Brande's, Professor, report on galvanization
of metals, 124; on Joyce's fuel, 313; re-
marks on, 315

Breakwater, floating, 396

Bridges, suspension, 115, 336, 468.
Bridges, oblique, principles of, 411
British Association, 320; abstract of pro-
ceedings of, 404, 426, 468
British Museum, 48, 176

Brunel's Thames tunnel works, 252,
Buchanan's steam condenser, 77, 100
Buffing apparatus, Rowley's patent, 451
Burgess's rotary engine, 196

Cable stopper, Baron de Bode's, 113
Cade's fire-proof ceiling, 183.
Caiques Turkish, 152

Camera obscura, invention of, 23
Camus on teeth of wheels, 47
Canal steam barges, 176, 283
Caoutchouc army accoutrements, 16; springs,
181, 231: divested of its adhesiveness,
&c., 221, engraving and printing, 387
Carbonic acid, solidifying, 430
Carlsund's account of St. Katharine's Docks,
89

Carpenters' bench, improved, 454
Carpets, Whytock's improved, 302
Carriage, new form of, 181, 268
Carter's rotary engine, 196
Cartwright's rotary engine, 196
Casting medals, improvements in, 37

Ceilings, Cade's fire-proof, 183
Cemeteries, suburban, unhealthy, 476
Chairing railway blocks, Hunter's machine
for, 257

Champion's rotary engine, 194

Chanter's smoke-consuming furnace, 97
Chaplin's non elastic leather bands, 295
mode of tanning, 19, 295
Chapman's, W., rotary engine, 196
Chapman's, G., steam boiler, 374
Charcoal fuel, 96. See Joyce
Cheese, salt for making, 47
Chimney cleaning in America, 64
Chimneys, causes of, smoking, 208
China, useful arts in, 290
Chinese book-making, 291, 328
Chinese paving-stone, 32

Chucks, simple mode of forming eccentric
and oval, 86

Church's, Dr., railway signals, 416

steam carriage, 249

Cider, domestic manufacture of, 45
Circle, squaring of the, practical, 424

Civil Engineering, King's College Lectures
on, 80

Clark's rotary engine 196

Clay coal, smelting with, 319

Clegg's dry gas-meter, 431, rotary engine,
196

Coach lamps, improved, 416

Coal mines of France, 404

Cocker's needle-making machinery, 185
Colliery communication, new mode of, 421
Colours, experiments on, 394

Combis's Marquis de, rotary engine, 196
Comet, ephemeris of Encke's, 380
Compass in iron vessels, 416, 472
Condensing engine. See Steam Engine.
Congreve's rotary engine, 195; Rockets, 480
Cook's rotary engine, 196

Cooking stove, improved domestic, 177
Cooper, Professor, report of, on Joyce's
fuel, 313

Cooper's patent railway, 417
Copying machine, simple, 7
Copyright Bill, Serjeant Talfourd's, 71, 80,
116, 144, 239

Cordage, new mode of making, 320
Cornish steam-engine duty. 56, 203, 298
Cornwall Polytechnic Society, 5th report of,

268

Cornwall, Gilbert's History of, 11

Costigin's rotary engine, 196

Cotton, quick transformation of bale of, 208
Cows, apparatus for milking, 6

Craig's rotary engine, 194

Davenport's electro-magnetic engine, 94,
115, 166, 170, 210, 336
Davidson's rotary engine, 195

Davies's fire-proof paint, 232, 432

Davy, Mr. Christopher, on railway mileage,
31; Taylor and Davis's rotary engine, 49;
railway signals, 99

Dawes's rotary engine, 196

Deal, improvements at, 32

De Bode's patent cable stopper, 113
De Breza's incombustible composition, 55
Dakeigne's rotary engine, 196
Delap's rotary engine, 196
Dent's mercurial pendulum, 413
Die sinking superseded, 36

Docks, St. Katharine's, construction of, 89
Dodd's, steam-boiler safe plug, 400
Donkin's rotary engine, 195

Door weather strips, Brower's, 303
Downton's ships pumps, 39

Dredge's suspension bridge chain, 115
Dry rot. See Anti-dry rot.

Dundonald's (Earl of) rotary engine, 196
Earthenware wash-hand stands, 438
Education, in America, 156
Electrical lady, 112

Electrical telegraph, 320

Electricity, sounds caused by, 112; Clarke's
experiments in, 446

Electro-magnetic engine, Davenport's, 94,
115, 126, 166, 170, 210, 336
Elliptical compasses, Aris's, 108
Elm bark, tanning properties of, 234
Elmes's survey of the port of London, 87
Encke's comet, Ephemeris of, 380
Engraving, Woone's mode of, 163, 210, 236,

297, 413; Knight's illuminated, 230,
413; Chinese, 291; Bate's machinery, 296;
Nuttall's mode of, 297; Hancock's, 387
Eny's, Mr., observations on steam-engine
duty and horse power, 298.

Epicycloid, mode of generating the interior,

186

Ericsson's propeller, 143, 176, 283; rotary
engine, 196

Ettrick's, Mr. W., mode of cutting off a head
without removing it, 296

Evans, Mr. R.; on Taylor's steam boiler
feeder, 51; Rowley's rotary engine, 322
Evans's, J., rotary engine, 196
Evaporating, Bell's improvements in, 317
Eve's rotary engine, 196

Everitt's, Professor, experiments on Joyce's
fuel, 75

Ewart, Mr. P., evidence on the Victoria ex-
plosion, 353

109, 166, 170

Crowther's rotary engine, 196

Curve, parabolic, new mode of drawing, 42
Cylindrical boilers, on strength of, 276, 325;
rule for calculating, 370
Daslesme's rotary engine, 194

Chapman's, 376

Fairbairn's riveting machinery, 473
Falling bodies, singular fact in, 280
Fan blowing, theory of, 85

Farey, Mr. John, evidence on the Victoria ex-
plosion, 356, 365

File for accounts, &c., Good's, 70
File-cutting machinery, 165
Fire, danger of, from steam-boat flues, 434
Fire brigades, honorary, 280, 397
Fire-engine, Downton's, 39: Kingston's,
39, 69; Hearle's, 40; Merryweather's,
5, 69; Baddeley's floating, 279; porta-
ble Swiss, 422

Fire-engine beating springs, 119
Fine-engines, parish, inefficiency of,
ship-board, 5, 39, 69

Fire-escapes, on various, 435
Fire-extinguishing fluids, 55
Fire police, City, 4

; on

Fire-proof ceiling, Cade's, 183; composi-
tion, Davies's, 232, 432
Fish, refuse, application of, 128
Fitzgerald's rotary engine, 196
Flax, machine for dressing, 206
Flint's rotary engine, 196

Flockton's mode of preserving timber, 48
Floor-cloths, machinery for drying, 143
Flour mills, domestic, 402
Foreman's rotary engine, 196

Frame-work knitting, improvement in, 480
France, railways in, 174, 176
Franklin's printing press, 16

Fairbairn's, engravings by Bates' machine,
296

Fuel, Joyce's patent, 32, 33, 53, 54, 73, 77,
105, 168, 208, 313; charcoal 96, 173;
consumption of, in steamers, 182; King-
ston's, 395; Oram's patent, 471
Furnace, smoke-consuming, Chanter's, 97
Galloway's rotary engine, 196
Galvanizing of metals, Sorel's mode of, 122
Galvanometer, Dr. Locke's, 271
Garden's, Mr., report on the galvanization
of metals, 123

Garbutt's new telescope mounting, 273
Gas lamp, Lebou's, 3; self-supplying, 224
Gas lighting. invention of, 3; in Paris, 4;
in Edinburgh, 135

Gas meter, Clegg's dry, 431

Gas stove, Wright's improved. 81

Gases, generation of explosive, in steam-
boilers, 359, 373, 418
Gautier's rotary engine, 196

Gay-Lussac's report on Joyce's stove and
fuel, 73

Geological models, Sopwith's, 431
Gilbert's History of Cornwall, 11
Gin, apology for, 224

Glass-cloth, Baker's, 447
Good's account file,

Gorgon steam frigate, description of, 185,

238

Gradients, table of railway, 476

Graham's, Professor, report on lpan oxydat-
tion of metals, 122

Great Seal of the United Kingdom, 318
Great Western, first voyages of, 120, 151,
172, 432

Gregory, Dr. O., retirement of, 208
Gun-making machinery, Blanchard's, 448
Gunnery, Symington's improvements in, 160
Gurney's steam-carriage experiments, 386
Hague's wheels, 243

Hair, removing, from skins, new mode of,303
Halliday's rotary engine, 196

Hall's steam-engine. See Steam engine.
Hancock's, Walter, steam carriages 80, 162,
211, 224, 249, 312, 326, 328, 380, 420,
438; Narrative of Experiments, 386
Harper and Joyce's stove. See Joyce.
Hatter's irons, stoves for heating, 206
Hawkesley's rotary engine, 195
Hearle's ships-pumps, 40

Heating apparatus, Perkins's, 425; and see
Stove.

Hebert's steam-boiler, 327

Hemp, Lull's machine for dressing, 207
Herapath and Cox's new method of tanning,
17, 60, 470

Hero's rotary engine, 195

Hjorth's rotary engine, 337
Hobday's rotary engine, 196
Hornblower's rotary engine, 196

Horse-power, Eny's observations on steam-
engine duty and, 298

Horse-shoes, statistics of, 214
Hot-house stove, Joyce's, 304

Houses, machine for removing whole, 303
Hulls's rotary engine, 196
Humphrey's slide valves, 8

Hunter's stone-planing machinery, 47; ma-
chine for boring and chairing railway
blocks, 257

Hydraulic belt, Hall's, 431
Hydraulic telegraph, Whishaw's, 46
Incombustible, fluid for rendering goods, 55
India rubber. See Caoutchouc.

India rubber steam-engine, Hancock's, 387
India, steam navigation to, 16, 35, 98, 120,
150, 168, 262, 293, 329
Indicator, Dr. Lardner's, 471
Ireland, state of roads in, 215
Iron, smelting, with anthracite, 111, 319;
melting with coke, 126; effect of water
on, 429, 474; foreign substances in,
469; application of steam in manufacture
of, 470

Iron beams, Rastrick's experiments on
strength of, 23;

Iron chest, Sherwood's patent, 142
Iron gates for the Pacha of Egypt, 448
Iron steam-vessels, 148; compass in, 416,
472; for the Nile, 448

Iron for railways, Mushet on manufacture
of, 212

Iron welding, improved, 272

Irons, smoothing, stove for heating, 206
Iron plate, of enormous size, 320
Iron mines of France, products of, 406
Ivison's mode of consuming smoke, 403, 447
James's steam-boiler, 327

Jane's rotary engine, 196

Jones's miners' ascending apparatus, 433
Joyce's patent stove and fuel, 32, 33, 53,
54, 73, 77, 105, 168, 208, 313; steam
hot-house stove, 304

Kemple's rotary steam-engine, 194
Kemp's design of monument to Sir Walter
Scott, 78

Kent's practical hints to beginners in turn-
ing, 85

Kingston's portable ships' pumps, 39: ro-
tary engine, 196

Kircher's rotary steam-engine, 194
Knight's illuminated engraving, 230, 413
Knighthood of scientific men, 320
Kyan's anti-dry-rot process, 182
Lamp, self-generating gas, 224; improved
carriage, 416

Lander's rotary engine, 196

Lardner, Dr., and Atlantic steam navigation,

151, 247, 471; and animal magnetism,
208; on speed on railways, 329, 377;
steam-engine register, 471

Lead, combination of, with water, 112; quan-
tity of, produced in France, 408
Leather. See Tanning.

Lebon's gas lamp, 3

Lecount's mode of connecting railway trains,
29

Leopold's rotary engine, 195

Lester's rotary engine, 196
Levelling stave, Sopwith's, 468
Lightning, effect of, on tools, 368

Lime burning, Garber and Co.'s new mode
of, 109

Linens, English, in France, 32
Lithographic press, Pinner's, 176
Liverpool High School, 48

Locomotive engine. See Steam-engine.
London, port of, Elmes's survey of, 87
London fires, Baddeley's report on, 451
Loom, improved shuttle-tongue, 111
Losh v. Hague, report of trial, 242
Lucy's rotary engine, 196
Newton's rings, colours of, 394
Macerone, Colonel, on the bill for the regu-
tion of steam-boats, &c., 152; steam-
boiler, 240; artificial fuel, 396; wooden
paving, 437

Mac Naught's oil test, 134.

Mackintosh, the contractor, rise of, 288.
Manganese mines of France, 408.
Malam's rotatory engine, 196.

Mangle, Barnard and Co.'s patent, 1.
Marine steam-engines and boilers.

Steam-Engine.

See

Massey and Windham's improved sounding

machine, 137.

Masterman's rotary engine, 195, 197.
Measures, Russian, 453.

Mechanics' Institutions; Liverpool, 288;
London, 311.

Mechanics, education of, 48, 288

Medal engraving; Bates' machine, 297.
Medal striking, Pistrucci's mode of, 36.
Medhurst's rotary engine, 196.
Medhurst's State, &c. of China, 290.
Mercurial pump, Mills's, 188, 231, 282, 297
Mercurial pendulum, Dent's, 413
Merryweather's portable fire-engine, 5
Meteorological almanac, Murphy's, 71
Milk, analysis of, 218

Mill, flour, domestic, 402
Mill-stones, chattering of, 402

Mines, ventilation of, new method, 369
Miners ascending apparatus, Jones's, 433
Mining in Cornwall, 11; in France, 404;
experiments near Hay, 450
Mitchell's rotary engine, 196
Montgolfier balloon, great, 96.
Moore's rotary engine, 195
Morgan's rotary engine, 196
Morland's, Sir S., speaking-trumpet, 22
Mountain barometer, Sir J. Robison's, 469
Murdoch's rotary engine, 196

Muriatic acid gas, effects of, on trees, &c.,
Murphy's Almanacs, 71

61

Murray, Mr. J., on various inventions, 168;
Kyan's anti-dry-rot process, 182
Murray, M., rotary engine, 196

Mushet on manufacture of railway iron, 212
Musical instrument wires, platina, 384
Needle-making machinery, Cocker's, 175
Newcomen's atmospheric engine, 298
Newspaper, Persian, 240

Newton's Rings, colours of, 394
Norton, Captain, on the Boomarang, 268;
singular fact in falling bodies, 281; float-
ing breakwater, 396; percussion lead, 447
Obelisks, Slack's mode of building, 225
Oil-cloths, machinery for drying, 143
Oil-test, Mac Naught's, 155
Onion's rotary engine, 196
Oram's patent coal, 471

Oxydation of metals, prevention of, 122
Paddles, sail-worked, 112. See Propellers.
Parabolic curve, new mode of drawing, 42
Parallelogram, singular properties of a cer-
tain, 396

Pasley, Col., blowing up of the William by,
131, 447

Patent, fire-proof paint, Davies's, 232, 432
Patent law, English, change in the, 176
Patents, list of English for April, 63; May,
127; June, 222; July, 286; August,
382; September, 478

Scotch, April, 64; May, 144; June,
223; July, 287; August, 384; Septem-
ber, 479

Irish, March, 64; April, 128; May,
224; June, 256; July, 384; August, 479
Patents, American, notices of new, 109, 142,
205, 239, 303, 319

Patents, increase in number of, 224; great
seal to, 318

Percussion lead, Capt. Norton's, 447
Perkins's heating apparatus, 424
Piano-forte, transposing, 423

Pin manufactory, largest, 16
Pinner's lithographic press, 176

Pipes, mode of making without soldering,
164

Piston, Peacock's metallic, 289
Pistrucci's mode of medal striking, 36
Platina wires for musical instruments, 384
Plough, Symington's slope, 48; premium for
a steam, 144; French steam, 480
Poisons, sale of, in shops, 59, 82
Porta, John Baptista, inventor of camera
obscura, 23

Porter's Progress of the Nation, 214; sta-

tistics of mining industry in France, 404
Practical design, Society for Promoting, 47
Price's round-sole plane, 394
Printing, Chinese method of, 291
Printing machine, American, 480
Propellers for vessels, sail-worked, 112;
Ong's patent, 143; Ericcson's, 143, 176
283; Taylor's, 400, 432; Davidge's, 448
Prosser's railway speaking-trumpet, 30
Prussic acid, antidote for, 336
Pulleys, lengths of belts for various sized,
101

Pumps, Downton's, rotary, 39; Kingston's,

39; Hearle's, 40; Mills' mercurial, 189,
231, 282, 297; on the classification of,
297

Pyramid of Egypt, construction of, 220
Pyrotechnic locomotive engine, 368, 436
Raddatz's steam-boiler, 327
Railway, Cooper's patent, 417; Price's,
430; Motley's, 430

Railway, Grand Junction, 29, 333, 416
London and Birmingham, 31,
220, 368, 416, 444

Lyons and St. Etienne, 32, 176
Southampton, 145, 160

Rouen and Havre, 160, 174

Paris and Belgium, 174

Paris and Nantes, 174

Toulouse, 174

Marseilles and Lyons, 174
Strasburg and Nancy, 174

Marseilles and Bourdeaux, 174

Marseilles and Basle, 174

Paris and Dieppe, 176

Paris and St. Germain, 176, 480
Liverpool and Manchester, 218,
329, 412, 416

Read's rotary engine, 196

Reid, Dr., on ventilation, 468; respiration,
air required for, 468.
Rickett's gas stoves, 134
Riddle's pen-holder, 41
Rider's rotary engine, 196
Riveting machinery, Fairbairn's, 473
Roads in Ireland, state of, 215
Robison's, Sir John, gas-stove, 135; singu-
lar properties of a certain parallelogram,
397; substitute for the mountain baro-
meter, 469

Rockets, safety, Gyngell's, 32; locomotion
by, 368, 436; coup de grace, 436; Con-
greve, 480

Rogers's, Dr., sand-bath, 449
Ropes, wire, use of, 471

Rotary engine. See Steam Engine. Pro-
fessor Russell on the fallacies of the, 192;
Round sole plane, Price's, 394
Routledge's rotary engine, 196
Rowley's rotary steam engine, 321, 412;
buffing apparatus, 457

Rush's patent steam boiler, 239