Holebrook's shifting, 385
Morgan's, 162
Galloway's, 162

Lieut. Hall's oblique, 401

Paint, fire-proof, Paimbœuf's, 125

Davies's, 318

Parry's fire-escape, 2

Parsey's, Mr., lecture on perspective, 377
Patent, extension of Whitehouse's, for pipe-
making machinery, 235; Roberts's for
self-acting mule, 416

Patent law, Mackinnon's bill for the amend-
ment of, 351

Patents, law of, as far as relates to caveats,
436

Patents, list of English granted in October,

62; November, 157; December, 222;
January, 287; February, 383; March, 478
Scotch, October, 62; November,
159; December, 223; January, 303;
February, 400; March, 479.

, Irish, September, 63; October, 159;
November, 224; December, 287; January,
383; February, 480.

Patents, American, notices of new,
337, 379

148,

Patterns, protection of copyright of, 352,
416

Paste, zinc, mode of making, 370
Paving roads, on various modes of, 228,
253, 275

Pavements, experimental, in Oxford-street,
236, 253, 275, 302

"Paviors, hints to," Maceroni's, 254

Peat-charcoal, use of, for engines, and smelt-
ing, 372

Peat-fuel, Williams's, 16, 92, 108, 375

Pendulums, new material for, 28

Penny's mortar and cannon combined, 113,

objections to, 179

Percussion cannon-locks, 31

Perkins's experiments on the generation of

steam, 294. And see Steam.
Perspective, Parsey's lecture on, 377
Phantasmagoria, or artificial and natural
magic, 321

Photogenic drawing, descriptions of modes
and claims to invention of, 327, 329, 345,
414, 428, 432, 447, 454, 455

Pigou and Wilks's gunpowder, analysis of,

334

Piled iron, mode of making, 470
Pipe. See Tube.

Pipe joints, Lambert's hemispherical 355
Pistols, many chambered, 90

Pistrucci's, Signor, improved sculptor's
banker, 129; mode of medal casting, 288
Plaster, modes of casting in, 375
Pneumatic-filter, Palmer's, 363
Pneumatic-grate, Jeffrey's patent, 417
Pneumatic-telegraph, Crosley's, 421
Poisson's, theory of the atmosphere, 447
Polar expeditions, steam, 111

Polished surface, effect of, on temperature,
296

Portraits, sunlight drawing of, 348

Powder, zinc, anti-oxydation, mode of mak-
ing, 369

Power, notice of a neglected, 57

Power, mechanical, new, Grecian, 96; Mr.
Dupes, 352

Press, bookbinders, Burn's, 109
Printing press, Trevelyan's, 11, 31
Wayte's, 31

Pritchard's, Microscopic Illustrations, 187;
micro cope gnomemeter, 189

Prize chronometer, Parkinson and Frod-
sham's, 350

Propeller, steam boat, Taylor's patent, 38,

instrument for testing, 372

Railway-constants. See Railway-speed, 244
Railway-curves, setting out, 185, 233
Railway-friction, value of, 22, 266, 297, 300,
362

Railway-improvement society, 425
Railway-insurance company, 127
Railway-labourers, character of, 272
Railway-laws, Prussian, 207
Railway-maps, 48, 128, 331
Railway-masks, 80
Railway-missionaries, 240

Railway-officers, engineering duties of, 271
Railway-rails of Styrian iron, 207

Smith's apparatus for detect-

ing displacement of, 239
Railway-signals, Smith's, 239
Railway-speed, resistance of atmosphere and
friction to, 244, 266, 297
Railway-switches, Rivington's self-acting,
193

Railway-system, memorial to Mr. R. Ste-
phenson as projector of the, 416
Mr. Brunel's, 265

Railway-train, attaching a carriage to, with-
out stopping, 133

Railway-turnplate, substitute for, 201
Railway-wheels, action of, on rails, 297
Railways, profits of, 95

German origin of, 80

General Dembinski's, 95
in Denmark, 112

in Germany, 112

in France, 112

in America, 112

Dr. Lardner's instruments for

testing, description of, 370

Railways:-

Baltimore and Washington, 8
Eastern Counties, 31, 32, 207, 332
Great Western, 32, 244, 265, 297, 300,
301, 332

Greenwich, 32, 224

London and Birmingham, 48, 95, 128,
271, 298, 332

London and Southampton, 48
Florence and Leghorn, 63
Grand Junction, 95, 268

Liverpool and Manchester, 95, 112,
244, 268

Berlin and Potsdam, 96, 160
Hamburgh and Lubec, 112
Ysarskoe-Selo, 112

Railways continued :-

Dresden and Leipsig, 127, 207
South Eastern or Dover, 128, 332
North Trunk, 128

Newcastle and North Shields, 128
St. Cloud and Paris, 160
Belgium and Cologne, 160
Great North of England, 160
Vienna and Raab, 192

Brunswick and Wolfenbuttel, 192
Nuremberg and Furth, 207
Northern and Eastern, 332

London Grand Junction, 332
Rainbow steamer, speed of, 47
Raper's waterproof cloth, 262
Read's stomach pump, 446
Red-dye plant, new, 95
Red-ink, mode of making, 376
Rendel's floating bridge, 14, 344
Reynolds's continuous bearing railway, 343
Riddle's lock making machinery, 71
Rivetting machine, Fairburn's patent, 37
Rivington's, Mr. J., self-acting railway
switches, 193; omnibus stopping signals,
413

Roadmaking in America, 12

Junius Redivivus on, 228
Col. Maceroni on, 253
new mode of, 274

Roberts's self-acting mule, 116
Robertson, Mr. John, on swimming, 242
M.. magic lantern, 323
Robinson's alphaltum pavement, 229, 236
Robison's Sir J., mountain barometer, 51
Rockets, war, Col. Maceroni's, 180
Roe's patent water closet, 83, 248
Roget's, Dr., revolving plate of figures, 416
Rotary-steam-engine. See Steam-engine.
Royal Exchange improvements, 256
Royal Institution, reports of lectures at
the; Parsey on perspective, 377; Fara-
day on Gurney's lamp, 398; Johnstone
on the investigation of mental and mate-
rial phenomena, 415; Mr. Brande on
steel, 429; Mr. Brayley on the atmos-
phere, 445

Royal William, American steamer, 16
Rowley's rotary steam-engine, 184
Rumford's experiments on heat, 139
Russell's improvements in locks, 71

Ryan's mode of drying silk in the loom, 126

S.

Saddle, patent inflated, 336, 400
Safety-valves, steam boiler, 13
improved, 330
Salt-boilers, cleansing, 95

Salt manufactories, for manure, 416
Sand, making foundations on, 285
Saturn, discovery of more rings to, 128
Savery's engine, experiments with, 285
Savory's clock, 66, 84, 85, 101, 176, 194,
208

Saw-crank, Weatherdon's, 81

Saw-cylinder, improved cotton gin, 379

Sawing machine for trees, Hamilton's, 379
Schafhaeutl, Dr., on steam, 138, 195, 294,
339

Scott, Mr. G, trigonometrical theorems, 181
Scott's improved stocking frame, 44
Screw-moorings, Mitchell's patent, 378
Screw-water-mill on the Mississippi, 449
Sculptor's banker, Pistrucci's improved, 129
Sculpture, preservation of, 169, 208, 240
-, photogenic copying of, 350
Sculpturing machine, 111

Sea, apparatus for obtaining water of the, at
great depth, 32

Seaward and Co.'s Gorgon engines, 169, 448
Seraphines, improvements in, 67
Shadows, art of fixing, 348

Shalder's pump, experiments with, 292
Shipbuilding, suggestions in, 36
Ships-pump, Hearle's patent, 177
Shipwreck, plan for saving provisions in, 46
Shoemaking, English and French, 217
Signals, omnibus stopping, Rivington's, 413
-, railway, Smith's, 239

Sievier's improved caoutchouc, 427
Silk, drying in the loom, 126
Silk-mill, new, at Turin, 352

Silkworm gut, manufacture of, 40, 55
Silver ink, mode of making, 376
Simeon's fire escapes, 4

Slate, employment of, in building, 319
Slaughtering animals, Dr. Carson's mode of,
270, 283

Small coal fuel, Oram's patent, 364
Smelting iron, economy of fuel in, 272

with turf fuel, 373
Smith's, Mrs., smoke consuming stove, 133
-, Capt. railway safety apparatus, 237
Mr. J., reciprocating lighthouse,

344

Mr. Egerton, photogenic experi-
ments, 329, 428
Smoke, consuming, in steam vessels, 105
Smoke-consuming furnaces, Witty's, 27;
Hall's, 27, 106; Coad's, 27; Chanter's,
27, 240, 257; Iveson's, 33, 63, 68, 106;
Nasmyth's, 69, 107; Evans's, 69; Cut-
ler's, 105; Bell's, 106

Smoke consuming stove, Mrs. Smith's, 133
Snow, singular effect in melting, 173
Solar microscope, 323

Soldering lead, new mode of, 480

Soliel's. M., experiments on heat, 302

Sorel's, M., modes of zincing iron and other
metals, 366

Speed of steam vessels, 37, 47, 59

on railways. See Railway Speed.
Spherics, solution of question in, 341
Spinning-mule, Roberts's self-acting, 416
Spinning-top, theory of the, 117
Spirit-lamps, on various, 90

Springs, carriage, Morton's patent, 381
Squirts, hand, fire extinguishing, 116

xi

bath for heating standard piece, 438
the cooling apparatus, 438, 440
thermometer in water vessel, 439
mode of experimenting, 441
equal heating and cooling power of the
atmosphere required, 441

tables of experiments, 141, 2

results of experiments on specific heat,
443

apparatus for higher temperatures, 445
apparatus for latent heat of vapour, 446
mode of experimenting, 459

results of experiments on latent heat,
460

specific heat by vaporization, 461
heating and cooling of liquids, 461
results of experiments, 462

rate of change of temperature, 462
heating by contact of air, 463
rate of heating and cooling, 464
strength of rolled copper, 464

least strength, should be that relied on,

465

effect of increased temperature on copper,
465

temperature of no tenacity, 465

inspectors, 176

passengers, tax on, 162
incident, 256

steering night signals, 304
iron, 31, 176; on the con-
struction and management of, 35, 213
Steam-weighing apparatus, 122
Steam and wind combined navigation, 304
Steaming and mashing apples, machine for,
379

Steel and iron, Brande's lecture on, 430
Stephens's patent inks and dyes, 149
Stephenson, Mr. George, memorial to, 416
Stevenson's sketch of civil engineering in
America, 57, 215

Stiefel's, Professor, vegetable barometer, 272
Stone for the new houses of parliament, 32
preservation of, 169, 208, 240, 286

-, artificial, Woodhull's, 380
Stone-planing machine, Poland and Blos-
som's, 148; Hunter's, 149

Stocking weaving, Scott's improvement in,

Cottage, Sir C. Menteath's, 208
Chanter and Co.'s patent 257
Dr. Arnott's, 259, 304

Mott's patent parlour, 337

Jeffrey's patent pneumatic, 417

Stove-excitement season of 1838, 258

Stoves, hot air, evils of, 127

Strachan's swimming machine, 242, 340
Strutts, wealth of the, 202

Submarine explosions by electricity, 480
Sulphur, manufacture of, 176

mode of casting in, 376

Sultan of Turkey's palace gates, 273
Sun light, M. Gaudin's, 96, 112, 208; Mr.
Weekes's, 288

-, producing pictures by, action of,
327; and see Photogenic drawing.
Surveying, solution of question in, 137
Suspension-bridge, Dredge's 53; Fribourg,
54, 64; Menai, 54; Victoria, 54; Wan-
dipore, 54; Danube, 64
Sweden, public works in, 64
Swimming Society's machine for teaching,
241, 288, 340

Symington's first steam boat, 64, 67
Sympathetic ink, mode of making, 376

Talbot's, Mr. Fox, process of photogenic
drawing, 345, 414

Tanning, Herapath and Cox's improvements
in, 234, 457

Taylor's, patent propeller, 39, 82

Teeth of wheels, Jarvis's mode of finding
the curves of 102, 170

Teeth, artificial, making and fixing, 276,

325

Telegraph, electric, improvement on Davy's,

100

galvanic, Wheatsone's 48
pneumatic, Crosley's, 421
Telescope micrometer, Heineken's, 100
Temperatures, high, testing iron, &c., at,

119. See Heat.

Tenacity of iron and copper, testing appa-
ratus, 17; experiments on, 465, 475
Terrason's, brick making machinery, 61
Thames tunnel, foul air in, 32

-, progress of, 256
shield, 333

Thatched house nuisances, 45
Theatricals at Pera and Warsaw, 207
Thermometers, proposal of public, 30, 52
experimental, used in the

American steain boiler experiments, 439
Thermometer-stove, Dr. Arnott's, 258
Thom's filtering apparatus, 156
Thrashing machine, hand, 336

Tile and brick making machinery, 61, 224
Timber, American, strength of, 323, 343
Time keepers. See Clocks, Watches.
Time-piece Savory's glass plate, 66, 84, 85,
101, 176, 194, 208

Tinning and zincing metals, mode of 368
Tomlinson's experiments on steam, 195, 294,
390

Toothed gear for locomotives, 8, 30

Topaz, a substitute for emery in grinding,

31

U.

Undulating railway, Badnall's, 245
Upton's rotary steam-engine, 49

xiii

Ure, Dr., on hot air stoves, 186; chemical
examination of gunpowder, 334; on ca-
outchouc, 425

Utting's astronomical tables, 83, 102, 182
V.

Vegetation and fermentation, 64
Vegetable weather prophet, 272
Velvet, Hanshard's mode of weaving wide,
352

Victor's, Duchemin, rotary engine, 226
Victoria boilers, cause of explosion of, 394
W.

Waddell's vessel-propeller, 82
Walker's new mode of cleansing casks, 31
chimney-sweeping machine, 101
Wall-nails, preserving from rust, 47
Waltham Abbey gunpowder, analysis of,

334

Water-meter, utility of a, 424
Water-mill, spiral screw, American, 449
Waterproofing cloth, Mrs. Duke's plan of,
262; Raper's, 262

Water-wheel, Armstrong's improved, 209
Water-works, French, 304

Watson's, Lieutenant, wind telegraph, 263
Watt, Chantrey's statue of, at Greenock,
63

Waves, the theory of the motion of, 326
Wax, modes of casting in, 375

Wayte's printing press, 31

Weather prophet, vegetable, 272
Weatherdon's rotary saw-crank, 81

Wedgewood's, Mr., experiments in photo-
genic drawing, 429

Weekes's artificial suns, 288

Weighing steam, apparatus for, 123
Wells, artesian, St. Pancras, 224
Wheatstone's, Professor, galvanic telegraph,
48

Wheels, teeth of. See Teeth.

Whitehouse's patent for tube-making, ex-
tension of, 235

Whitelaw's, Mr. James, steam boiler feeding

apparatus, 8; on the speed of canal boats,