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Gambling by machinery, 31

Gardner's peck-hammer, 115

Granite, artificial, D'Harcourt's mode of
manufacturing, 79; specification of, 174
Grant's patent annular saws, 302

Green's experiments in ballooning, 185, 480,

520

Grasses, diffusion and cultivation of, Dr.
Royle, 692

Greenwich, longitude of, and New York, 143
railway, plan for terminus of,

718

Gregory, Dr. Olinthus, lecture by, at Wool-
wich Institution, 106
Gurney's Bude light, 118

Gypsography, new method of engraving in-
vented by Woone, 66, 256
H.

Hague's pneumatic machinery, 446
Hall's patent condensers, 9, 10, 26, 336,
683, 712; reefing paddle-wheels, 252,
273, 397, 453, 702, 760

Gas, carburetted hydrogen, and its appli- Hancock, Mr. Thomas, further experiments

cations :

obtained from grapes, 64; animal
matter, 528; anthracite, 173

-, Selligue's mode of preparing, 96

Count Val de Marino's, 203

Barrett's mode of working retorts, 129
meter,with balance and escapement, 167
burners, Argand's, proper construction
of, 342

best mode of burning for heating pur-
poses, Sir John Robinson on, 291
for light, 341

Bacon's patent burners and conduct
of Mr. Hutchinson, 293, 390, 423, 458,
470, 538

Cooke's patent argand burners, 407
new compressing pump, 416
illuminating power, cost, &c. of, 333
apparatus for cooking, 440, 553, 720
Rickett's, 553
Gaseous compounds, new, Dr. Hare, 287
Gases, diffusive power of, 513

686

combustible, efflux of, in Fribourg,

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283

impolicy of duties on, 155
new sort of, 192

receipts for making various kinds of

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by, in common road steam-carriage loco-
motion, 6, 32, 128, 464, 479

Hancock's, (Mr. Charles) patent process of

picture printing, 368

Hare, Dr., on melting platina, 236; on cer-
tain new gaseous compounds, 287
Harris's process of evaporation, 474
Harris's, (Mr. Snow) lightning conductors
for ships, 497, 500, 568

Hartop on boilers and furnaces, 220
Hayes's patent for solution of tannin, 13
Heath's improvements in the manufacture of
iron and steel, 37

Heath's (Mr. W. W.) new solar system, 183,
218, 224

Heineken's (Mr. N. S.) specimens of ancient
inventions, 45

Hemp, Russian, superseded, 527

African bow-string, Dr. Royle, 692
Herapath and Cox's, (Messrs.) patent pro-
cess of manufacturing leather, 176, 208
Herron's hydrodynamic railway system, 198
Herschell Sir J. W., on photography, 28
Hickman and Davenport's patent for dress-
ing and finishing leather, 115
Hinges, Edward's patent, 51

-, machinery for making, Johnston's, 263
Hocking's steam safety valve, 114
Holder's dove-tailing machine, 476
Holebrook, Mr. J. P., on Mr. George
Rennie's experiments in propelling, 227,
310; his patent wheel contrasted with
Mr. Hall's, 252, 762
Hooper's letter-balance, 456
Horton's steam-engine pistons, 186
Horse-power wheel, Champonnois's, 65

-, experiments on, Morris's, 110
Hubbell's mode of generating steam, 116
Hot-house, improved boiler for, 405
Humphries's patent carpets and rugs, 472
Hurd's patent for making sugar from beet-
root, 14

Hutchinson, Mr., conduct of, in relation to

INDEX.

Mr. Bacon's burners, &c., 293, 391, 423,.
458, 470, 538
Hydraulic-belt, Hall's, (Child's) 454, 518,
537, 686, 696, 723

rotary engine, Wing's, 50, 470.
Whitelaw's, 80, 444
wheel, Armstrong's, 529

Hynam, Mr. Benjamin, on Russian vapour-
baths, 71

I.

India, steam communication with, 256
Ink, sulphate of copper injurious to, 398, 469
Inkstand, Perry and Co.'s patent filter, 338
Institutions and Societies, Scientific and
Mechanical:-

Woolwich, Dr. Gregory's lecture, 106
Royal Cornwall Polytechnic, extracts
from proceedings of, 113

Society of Arts, secretaryship of, 157,
206

Microscopic, formation of, 256

Mechanics' Institution, a second in
Liverpool, 256

Boston, (Mass.) Charitable Mechanic

Association, second exhibition of, 474
Iron, strength of, Hodgkinson and Fair-
burn's, 30

Heath's improvements in the manufac-
ture of, 37

case hardening of, (Baddeley) 52
action of sea-water on, (Mushet) 413
planing of, 208

trade, Scrivenor's history of, review
of, 355

- smelting, Richards's process, 472
-, cast, equal to steel, 480

railing, destructive galvanic action
upon, 50
Invention, British and French encourage-
ment of, 44

Inventions, Ancient: fountain pump, swim-
ming girdle and breeches, pole ladder,
(Heineken) 45; destroying smoke, illumi-
nating dials, planisphere, fire-engine,
(Trevelyan) 52; remarks on, 144
Ives's, mode of making metal-combs, 141

J.

Jack, Curtis's patent hydrostatic, 369
traversing screw, 371
England's universal screw, 439; al-
leged piracy of Curtis's, 468, 526, 554
Jearrard's carriage retarder, 724
Jeay's, (Mr. J.) mode of finding the lengths
and bevels of the timbers in hip-roofs, 39
Johnson's metal frames for cravats, 474
Johnston's hinge making machinery, 263
Judkin's, (Miss) lace machine, 475
K.

Kater's, (Capt.) escapement, 724
Kentish, Mr. W. A., employment of Minas
Novas for lenses, 21; manufacture of sugar
by steam and in vacuo, 41; destructive
galvanic action on iron railing, 50;
Muntz's yellow metal sheathing 74; im-

vi

proved time-table, 88; sand for glass from
the Brazils, 122

Kentish, Mr. T., Treatise by, on box of ma--
thematical instruments, 22; rules for
forming gores for globes, 268; cheap
sliding rule, 269

King's letter-balance, 305
L.

Lace machine Miss Judkin's, 475
Lambert's gate for railway crossings, 255
Lamp spirit, improved American gas (Tre-
velyan), 73

Laundry, Wapshare's patent steam, 253;
anticipated, 470

Lead, oxides of, 51

Leather, ornaments and mouldings, 96; dress-
ing and finishing of, Hickman and Daven-
port's patent for, 115; Buff, Moody's
166; samples of mauufactured, by Cox
and Herapath's process, 176, 208
Lefevre, French engineer, death of, 527
Letter balances, 176; Riddle's, 178; Miller's,
208; I. B., 232, 309, 304; Osler's, 304;
King's, 305; Burrill's, 419; Edward's, 420;
Hooper's, 456; Sir John Robison's, 488
rival manufacturers of, 715
Levison (Mr. J. L.), on cheap philosophical
apparatus, 249

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Lenses, annular, for light-houses, apparatus
for cutting (Sang), 171

minas novas, 21

Life boat, Adams's, 313; Phillips', 314;
improvements in, 404

Light, Gurney's Bude, trial of, at the House of

Commons, with Report of Committee of
the House upon it, and extracts from mi-
nutes of evidence, 118
Lighthouse at Kirkcaldy, 169
Lightning conductors, see Ships
Linen, new mode of marking, 32
Lithography, Redman's improvement in, 755
London and country-made steam-engines,712
Longitude of Greenwich and New York,
143

Long's (Col.), wooden bridge, 323
Lyceums, institution of, 249
M

Maceroni, Col., piracy and neglect of in-
ventions of, 11

Macewan's patent mode of preparing teas,
238

McEwen's barometrical

steam-engines, 724

safety-valve for

Machinery, social effects of, 277, 365
--, Hague's pneumatic, 446
Macsweeney's, Dr., instrument for restoring
suspended animation, 3

Madder, printing stuffs with, at Vienna, 176
Magnetizing power of solar rays; confirma-
tion of Mrs. Somerville's experiments, 751
Malthouses and breweries, construction of,
727

Malting, injurious effects of present fiscal
regulations on, 557

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mills and factories of, 219

Mandril, expanding, 676
Manure, value of bone-dust as, 176

-

oil from wool proposed for, 176

boiled bone-dust used for, 208
Manufactures, rise and progress of, 368
Marble, stone converted into, 368
Mars, right ascension and declination for
July, 1840, 239

Matches, new French phosphoric, mode of
making, 108

Materials, strength of:

wood, (Hodgkinson,) 30
iron, (Fairbairn,) 30
Mathematical instruments, Treatise on box
of, by T. Kentish, review of, 22
Matter, supposed inherent activity of par-
ticles of, 509

Measures, errors in stamped, 224

death of assistant editor

and publisher, 772
Medals, copying, by Spencer's galvanic pro-
cess, 54, 203

Melville's ship propellers, 320

Mercury, saving of, in reducing silver, 282
Miller and Barnes (Messrs.,) and British and
Australian steam navigation, 271
Miller's patent fire-bars, 160

letter balance, 208

Mills, modern, and ancient querns, 754
Minas Novas, proposed for microscopic lenses,

Mr. W. A. Kentish, 21

Mine, what is comprehended in the term, 255
Mines, mode of conducting in Belgium, 363
Mines, wire ropes for, 438

--, draining of, by Hague's pneumatic
machinery, 446

Miners' safety net, 104; safety hook, 315;
safety rope, 404; safety bucket, 490

-, raising of, 113, 242

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hot soup for, on coming up, 114
safety lamp, Davy's, dangerous de-

fects in construction of, 136, 240, 468

Models, advantages of, and means of con-

structing and procuring, 682

Morris's eccentric railway brake, 140

Mott's portable furnace, 316

Muntz's yellow metal sheathing, 31, 74

Murray, John, Esq.; on the cause of steam-
boiler explosions, and their prevention,
368, 403; ink and paper, 398, 469
Munshett, David, Esq., on the action of sea
water on iron, 413

N

Names, injury to science by incorrect use
of, 692

Nelson's process of preparing gelatine, 742 -
Neville's artificial coal, 128
Newspaper, the reputed earliest, the En-
glish Mercurie, a forgery, 202
New York, difference between longitude of,
and that of Greenwich, 143

331,

liners, duration of passages of,

Nimmo's, (Messrs. P. and J.,) hydraulic
blow-pipe, 344

Norwich port, 255, 271, 304, 367

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impolicy of duties on, 155

, machinery for making, Crompton's
patent, 389; Evans's patent, 389

defects in machine made, 389, 460,
522, 737

Paper bleaching by chlorine injurious to, 398
Parallels, doctrine of, 286

Parkin's carriage retarder, 162
Patent cases:

66

Galloway v. Bleaden, cycloidal

paddle wheel, 169

cab, 239

ment, 353

Gillett and Chapman v. Wilbey,
Protheroe v. May, soap, 332
Parkin v. Harrison, wood pave-

~, Claridge v. Latrade, asphalte
pavement 395

494

526

cabs, 675

-, Elkington v. Phipson, gilding,
Burshaw v. Taylor, emery cloth,

Gillett and Chapman v. Beard,

(French)-Heintz, cut of pantaloons, 688
Patent," use of the word on unpatented
articles, 715, 740

Patents, hardship of great cost of, 485

-, legal effect of exclusive licenses
under, 352

Patent law, state of, 390, 675, 741
Patents granted, English, October, 62; No-
vember, 158; December, 222; January,
319; February, 414; March, 495; April,
690; May, 771.

Scotch, October, 63; No-

INDEX.

vember, 159; December, 223; January,
320; Feburary, 415; March, 479; April,
690; May, 771

Irish, Sept., 79; October,
159; November, 224; December, 320;
January, 416; February, 496; March, 675
Patents, notices of American new, 14, 115,
140, 186, 301, 316, 472

-, French, delay in passing, 167
Pattison and Losh's patent for making ox-
ides of lead and antimony, 51:
Paving, Colonel Maceroni, on, 10

wooden, Stead's, 64; Parkin's ditto,
257, 174, 741; Hodgson's ditto, (Count de
Lisle,) 261, 741

D'Harcourt's artificial granite, 79;

specification of, 174

-, Claridge's asphalte, 399
-, taking up of, 105

Payne's mode of stowing a water-logged

ship's provisions, 313

Peck-hammer, Gardiner's patent, 115

Pendulum, Frodsham's compound, 29

Penn and Son, Messrs., oscillating steam-

engines manufactured by, 705

Pencil, Riddle's ever pointed, 70
Penmanship, Paton's specimens of, 336

Peppercorne, Mr., "On the supply of water
to the metropolis," review of, 766

Perkin's steam boiler, 473

Perry and Co.'s filter ink stand, 338
Phillips's life-boat, 314

Photography or Daguerrotype :

Effect of extreme red rays on photogenic
paper, Herschel, 28

Oxley, 75

Downie's improvement, 48
claim to invention of, by Mr.

patented in England notwith-
standing premium paid in France, 77
-, new process by Dr. Schafhaeutl,

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Printing, Savage's Dictionary of, 746
old processes in, 750

ix

Pulley rack for blinds, Loach and Clarke's
patent, 700

Pulleys, machine for grinding rims of,
Whitelaw's, 193

Pump, Rice's, for lifting gravel, 118
new compressing, 416
rope. See Hydraulic Belt
Pumping, numerical case in, 674
Pyrites, iron, demand for, 448
Q.

Querns, ancient, and modern mills, 754
Questions, astronomical, 139; answered, 182
-,183; answered,284,

271, 273, 331, 410, 454, 702, 740

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Rennie, Geo. Esq., experiments by, with his
condidal and trapezoidal ship propellers,
172, 199, 227, 310, 274, 351, 536
Rice's pump for lifting gravel
Richemont's autogenous soldering process,
546, 729

Rigel's mode of steering steam-boats, 757
Rhinoceros, Indian, the Unicorn of fable,
692

Ringgold and Earle's process for preserva-
tion of timber, 117, 141

Ring's self-closing swinging bridge, 303
Richard's process of smelting, 472
Riddle's letter balance, 178

Roads, Metropolis, annual expenses of, 756
Robert's mode of reshipping rudder at sea, 79
Roberts, inventor of the miner's hood, &c.,
labours and death of, 691
Robertson, Mr. W. A., death of, 772
Robinson, Sir John, best mode of burning gas
for heating purposes, 291; for illumina-
tion, 340; mercurial letter balance, 488
Rocks bored by chemical means, Mr. Pri-
deaux, 114

Rollers, Printing, composition, 748

Roofs, hip, mode of finding length and bevels
of rafters of, Mr. Jeay's 39,

-, Duval's metal, 140

Root's punching machine, 472
Rope, wire, 437

Royal George, operations on, 109, 139, 411,
443

Rudder, mode of reshipping at sea, Mr. Ro-
berts's, 79

Russia, vapour baths of, 71

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Sliding rule (see Calculator); right angle
triangles, resolved by (Pole) 165; (T.
(Kentish) 269

, cheap, T. Kentish, 269

Mr. T. Woollgar's Treatise on,
and piracy of, by Laker, 521, 722
Smeeton's button-shank, 697
Smith's, (Captain) paddle-box boats, 1, 480
Smith's, (Mr. William) gun carriage, 13
Smith, Mr. Enort, on Moody's buff leather,
166

Soap, impolicy of duties on, 155

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frauds in, and inutility of admixture
of silica or clay, 723

Societies, see Institutions

Soda water fountain, atmospheric, Swan's
303

Solar system, new, (Heath) 185; remarks
on, 218, 224

rays, magnetizing power of certain, 751
Soldering, Richemont's autogenous, 546
theory and practice of, 729
Somerville's, Mrs., experiments on the mag-
netizing power of certain solar rays con-
firmed, 751

Soundings, submarine register of, 83
South, Sir James, on the shooting stars of
August, 126, 128

Spencer, Thomas, Esq., on engraving by
galvanic precipitation, 54; on the theory
and practice of soldering metals, 729

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