Fire-engines, on the inefficiency of present, Hansom's new safety-cab, 59
411, 435

Hat, folding travelling, 399
floating, 391, 411, 436

Hearing, Webster's instrument for assisting,
Fire-engine branch-pipe, Merryweather's, 35 347
Fire-escape, Merryweather's, 67

Heat, polarisation of, 48
- Ford's, 129

Heating the elephant's house at the Zoologi-
Fire-place, improved, 45

cal Gardens, mode of, 48
for burning Anthracite, 45, 126 Heaton's brick-making machine, 282
Fire-proof staircases, 39)

Hebert's patent flour-mill, 65, 305
Fires, river-side, extinction of, 391

Heineken's medal-cutting engine, 241
Flax, bleaching, 304, 368

Hinge-making apparatus, 191
Flint, soap from, 228

Hogs, scent of, inimical to weavils, 152
Flour-maker, Hebert's patent, 65, 305 Horology, Rise and Progress of, Henderson's,
Fluid, electric, existence of an, 406

26
Fly-guard, 49

House-burning system, the, 411
Flies, oil from, 288

Hunter's stone-planing machine, 79
Foreign and British literature, interchange Hutchison's gas-generator for ships, 1; pa-
of, 77

tent retort-bed, 177 ·
France, state of the arts in, 272

Hydrogen in vegetation, 141
introduction of salmon into the Hydraulic power-apparatus, Hale's, 146
rivers of, 404

Hydraulics, experiments in, 35
steam-power in, 432
Franklin Institute, experiments by, on steam-

I.
boiler explosions, 82, 98, 114, 116, 185, Ice, Professor Bache on the non-conducting
205

power of, 200
Fusing point of various metals, 103, 119 transport of heavy burdens on, 461

trade between India and America, 10
G.

Incommensurable quantities, on the doctrine
Galvanic power, M‘Gauley's, 336, 371, 412

of, 264
Gambart, M., notice of, 336

India, ice-trade with, 10
Gas from steam-boilers, experiments on, 188

vegetable oils of, 24
generator for shipping, Hutchison's, 1

culture of the potatoe in, 28
purifying, Phillips's mode of, 80

iron suspension bridge near Sagar, 50
retorts, Hutchison's patent, 177

mode of tempering sword-blades in, 78
Brunton's patent, 449

steam navigation to, 301
Gasometer, double-acting, 32

rubber. See Caoutchouc.
Galvanism, production of artificial crystals Industry, good effect of, exemplified, 256,
by, 375, 397

272
--, change in minerals by, 374 Ink-stand, Stevens's improved, 229
Geological Museum, 128

Invalid's bedstead, Cherry's patent, 385
Geology, M. Guesney's new system of, 370 Inventors, poor, 452
George III., Wyatt's statue of, 336

Iron manufacture, discovery in, 32
Glasgow, power-looms in, 400

case-bardening, 64
-, steam-engines in, 400

---, effect of velocity of air in smelting, 142
cotton trade of, 432

--, vaporisation of water by heated, 162,
Glass, favourable to the transmission of 168
sound, 72

---, mode of purifying cold short, 192
-, transparency of, destroyed by steam, mode of bronzing, 192
88

ductility and malleability of, 201
Gowland's three-nibbed pen, 154

boilers, manner of bursting, 207
Granaries, improved mode of constructing, ornaments, Berlin, 272
152

smelting, Devaux's process of, 336
Granite polishing machine, 432

steam-boat, 192
Griffiths, Mr. R. C., evidence of, against trade, British, 158, 176, 271
tunnels, 334

works in Scotland, 400
Guage, liquor, Fage's, 80

I ver M‘Iver on the experimental data re-
- , steam, 83, 87

quisite to determine the limits of railway
Gun, percussion, new, 112

velocity and economy,

14, 106
with revolving breech, ancient, 344
Gutzlaff's Chinese Magazine, 179

J.
H.

Jacquard-loom, Rooke's improvements in the,

17
Hancock's steam-carriages. See Steam-car- Johnson's, Dr. James, evidence against rail-
riage.

way tunnels, 330

eus, 201

Jopling's, Mr. Joseph, railway hints, 43; Metals, ductility and malleability of vari-
on the Kirkby slate quarries, 58

Meteo ological Society of London, 384
K.

Metropolitan improvements, 132, 144
Kiln, improved charcoal, 401

Microscope, hydro-oxygen, improvements in,
Kirkby slate quarries, 56

280
Kite-drawn carriage, 336

Wincing-machine, meat, 46
Klaproth's experiments on the generalion of Minerals, chan in the chemical character
steam, 98, 122

of, by galvanism, 374
L.

production of artificial, by gal-

vanism, 375
Ladies' marine life-preserver, 135, 298 Mining, on the long-work system of, 108
Lamp, conoidal, 80

Montgolfier's balloons, safety of, 408, 441,
safety, Davy's and Upton and Ro- 458
berts's, 390, 443

Moon, siderial and tropical periods of the,
Laplace, monument to, 240

138
Lardner, Dr., on the railway system, 361, 445 Mordan's triple-pens, 111, 153, 231
Lead, fusing point of, 105

Music, new division of the scale in, 20
mine, Sampson, Twigs, and Co.'s, 112

N.
pipes protected by tin, 15
Life-boat, new,
224

Napier's rods, improvement in, 365
preserver, ladies, 135, 208

Napoleon, statue of, raising on the Colonne
Lighthouses, metallic, Capt. Brown's, 318

Vendôme, 239
substitute for, on the shores of

National debt, 7
the Black Sea, 357

Nettles, uses of, 335
Liquor-gauge, Fage's, 80

Nickolls's condensing railway-locomotive,
Locomotion. See Steam Locomotives.

124
Long-work system of mining, 108

0.
Lowell, Massachusetts, rise of the city of, 315 Oils, vegetable, duties on raw material of, 23
Lubrication by water, 364, 380, 397

Opium, consumption of, in China, 336
M.

Organ at Munich, curious, 304

Otaphine, Webster's, 347
Macerone, Colonel; improveil mode of Oxygen, operation of, in vegetation, 53
scythe-sharpening, 174; note on a chaf-

P.
finch, 314; substitute for lighthouses on
the shores of the Black Sea, 357; the Paddle wheels and propellers for steam-vessels;
British Association, 397; in practicabilily

Mackintosh's, 33
of aerial navigation -- Montgolfier's safer

Morgan's, 34
than gas balloons, 408, 158; proposals

Symington's, 34
for navigating the Po by steam, 439

-,.Seaward's, 34
Mackintosh, Mr. T. S.; electrical theory

; Busk's, 61
of the universe, 92, 94, 107, 148, 274,

Rogers', 62
298, 313, 339, 358, 359, 380, 388, 406,

Maberly's, 62
417, 437, 459

Nassie and Ranwell's, 96
-, improved paddle-

Pickworth's, 321, 356
wheel, 33; on the practicability of aerial Pambour on Railways, 144,
navigation, 463

Paris, improvement of, 288
Magnetic balance, 464

Parliament, llouses of, Dr. Reid's plan for
Magneto-electric apparatus, 311

ventilating, 28
Maise sugar, 368

New Houses of, 132
Manumotive-carriage, 464

Paste, preserving, 80
Manuscripts in British Museum, 39

Patentees, plan to protect, 310. See Patents.
Marble cement, 292

Patents, recent American, 44, 125, 151, 190,
Mechanics' Magazine, German, 240

255, 398
Medal-cutting engine, Heineken's, 241 Patents, lists of new English, 63, 127, 223,
Medals, plan for exhibiting, at British Mu- 303, 367, 4:3
seum,
39

Scotch, 63, 128, 224,
&c., new mode of taking casts from, 304, 367, 463
432

Patents, law of,, American, 232, 249
Mercurial steam-wheel, Jones's, 312

English, Bill to amend, 265,
steam safety-pipe and gauge, 41 299
Merryweather's fire engine branch-pipe, 35;

evil of, 448
fire-ladders, 57

on the operation
Metallic lighthouses, Capt. Brown's, 318 of, by Junius Redivivus, 451

1

on, 349

INDEX,

469.
Pen, triple-pointed, 111, 153, 231

Railway bills, Parliamentary resolutions
Pencils, ever-pointed, improved, 47
Perkin's experiments on generating steam,

carriage, Birch's first-class, 369
209

retarder, Jopling's, 43,
Phrenology in France, 352

108
Physics, Mr. Exley's new theory of, 418

Earl Dundo-
Physicnotype, the, for taking masks of faces, nald's, 64
272

Curtis's, 144
Pianofortes, mode of tuning, 67

Millichaps,
Pickworth's patent paddle-wlieel, 321, 350 147
Pilchards, natural history of the, 7

Smith's, 399
Pink colour, French, for porcelain, 384

wheels, 398
Pipe-clay, washing with, 80, 228, 270

engine spark-arrester, Jones's, 183
Pistol-pocket, improved, 151

Shultz's,396
Plough for subsoil, Sheriff's, 112

inclined planes, suggestions for
Ploughing by steam, 176, 226, 290

working, 198
Po, steam navigation of the, 439

; power of loco.
Portraits, new modes of taking, 272

motives on, 245
Potatoe in India, 28

performance extraordinary, 400
beer, 176

phenomenon, 40
Polishing wood, 240

phraseology, 317
Porcelain scale plates, 23

platforms, slate, 43
Power-looms in Glasgow, 400

system, 138, 144, 195, 363,368,
Powers, new, 143, 146, 336

445
Presgrave's, Major, iron suspension bridge

in America, 176
in India, 50

table, comparative, 150
Printing-apparatus, rotary, Mr. Rowland

theorems, 14, 106
Hill's, 271, 379

tracks, best width of, 443
Printing for the blind, 304

works, comparative mortality at,
Propert, Mr. J., evidence of, against railway 368
tunnels, 333

Railways, clearing, from obstructions, 432
Provincial museums and institutions, 25, 59, Rays, polarised, power of, 320
74

Reading-room of British Museum, improve-
Pumps, improved, 46

ment of, 38, 76. See British Museum.
Q.

Record commission publications, 59, 75
Quadrant, introduction of the, 272

Reed, Mr. Willianı, death of, 289

Reid, Dr., on ventilating, &c. the Houses of
R.

Parliament, 28, 69, 320
Railway, London Grand Junction, 7, 400 Resuscitated inventions, 365, 397
Pneumatic, 8

Retorts, gas, Hutchison's patent, 178
“, Greenwich, 64, 108, 146, 150,

Brunton's patent, 449
226

Riches, how to obtain, 256
Southend and Hole Ilaven, 139 River side fires, extinction of, 391
Blackwall, 139

Roads, new mode of making, 151
Eastern Counties, 150

Rocket-light 'beacons on the shores the
Northern and Eastern, 150

Black Sea, 358
Southampton, 150

Rooke's improvements in th: Jacquard loom,
Birmingham, 150, 356, 368, 370 17
North Midland, 150

Russia, railroads in, 432, 464
South Eastern, 150

S.
Great Western, 150, 370

Safety-lamp, inefficacy of, 108
Midland Counties, 150

--, Davy's and Upton and Roberts',
Manchester and Leeds, 150

390, 442
-, Liverpool and Manchester, 150, Safety-valve, improved, 248
291, 445

-, experiments relative to the, 211
Newcastle and North Shields, 150 Salmon fisheries, introduction of, into France,
Thames Haven, 150

404
York and North Midland, 150 Sagar iron suspension bridge, 49
Baltimore and Ohio, 183

Saw for felling trees, 47
Brighton, 245, 326

Saw-mill saw, improved, 152
Brussels and Antwerp, 352 Sayer, Dr., evidence against railway tun-
Petersburgh and Pawlowsky, 432 nels, 333

Newcastle and Hexham, 445 Scale, new mathematical division of the
Railway, Dublin and Kingstown, 445

music, 20

1

INDEX.

471
Steam-vessel, iron, 192

Tunnels, railway, transmission of sound
for canal tunnels, 257

through, 73
miniature, 272

evidence given before Par-
“Novelty,” 368

liamentary Committee against, 327
wheel, Jones's mercurial, 312, 341
Stephenson, Robert, Esq., on the power of

U.
locomotives on level and inclines, 245
Stirling's ornamental slate works, 231

Upton and Roberts's safety-lamp, 390, 442
Stevens's improved fountain inkstands, 220

V.
Stone, artificial, Clinton's, 191
Stone-planing machine, Hunter's, 79

Valve, safety, experiments on the action of,
Stoves for burning Anthracite, 45, 126

211
Dr. Arnott's, 320, and see Anthracite.

improved, 248
Street water-posts' handle, 378

Vegetable oils, effect of duties on, 23
Submarine apparatus, Kemp's, 96

Vegetation, connexion of electricity with,
Atkinson and Hale's,

25, 53, 94, 107, 140
399

Ventilation of mines, Halliday's plan for, 12
illumination, 464

of the Houses of Parliament, Dr.
Sugar, beet-root, manufacture of, in France

Reid's evidence on, 28, 320
96

Vine, cultivation of the, in England, 32
in Russia,

W.
366
maise, 368

War, consequences of, 7
from starch, 181

Warming and ventilating the Houses of
from urine, 240

Parliament, 28
Sun, eclipse of the, 137, 283

Washing with pipe-clay, 80, 228, 270
Surface, rough or smooth, effect of, in the

--- machine, 45
generation of steam, 123, 160

Wash-hand stands, slate, 254
Surveyor's vade-mecum walking-stick, 176 Water, evaporation of. Sce Steam-boiler
Sword-blades, Indian mode of tempering, 78 Explosions.
Symington's patent horizontal windmill,

transmission of sound over, 70
273 ; system of condensation, 295, 310,

-, agitation of, under heat, 88
362, 393, 444

- rotary currents in, 96

lubrication by, 364, 380, 397
T,

hard, mode of rendering soft, 432
Tables, tiger and panther wood, 48

gauge, glass, 87
Technological collection, Austrian imperial,

posts, street, handle for, 378
431

power, new application of, 255
Telegraph, new, 320

and steam power, comparison be-
Theodolite, improvement in the, 44

tween, 290
Thermometers for measuring temperature of

wheels, velocity of, at night, 192
steam, 85

Watt's steam-engine work, 3, 136, 269, 340,
Thomson, Dr. A. T., evidence against rail-

363
way tunnels, 332

Weekes's, Mr. W. H., observations on the
Tbrashing machine, 45

eclipse of the sun, 283
Throstle-flyer, Kean's patent, 61

Wheels for railway-carriages, Tier's, 398
Tidal power-engines, 151, 190

Wind, constant currents of, 462
Tides, theory of the, 93, 298, 343, 382, 417, Windmill, Symington's horizontal, 273
437,464

Window-sash, improved, 42
Time and temperature measurer,

368

Wire for piano-strings, best, 68, 38+
Tin, lead-pipes protected by, 15

plate engraving, 446
fusing point of, 104

Wood-polishing, 240
vaporisation of water by heated, 163

--, embossing on, 368
Travelling, cheap, 144

Wool, cleaning, 125
7'rees, machine for felling, 47

carding machine doffer, improved, 255
Troughton, Edward, Esq., memoir of, 143 Woolf's high-pressure engine, 3
Tubes, metallic, apparatus for making, 191
Tuning musical instruments, 20, 67

X.
Tunnel under the Ohio, 15

Xylographic cheque-plates, 47
-, Thames, 143

Z.
Tunnels, canal, new mode of traction through,
256

Zinc, properties of, 202