INDEX

railroad iron, 263 letter printing electromagnetic telegraph, 265

steam navy contracts, 360 patents, annual report of, for 1846, 469 Analytical geometry, chapters on, by James Cockle, Esq., M.A., 271, 292, 322 Antiques, modern, 500 Arch, auroral, 378, 405

in South Eastern Railway, fall of, 617 Archimedean balloon, 531 Arts, the Society of, 374 Astronomical time-keepers, determination of time, by Professor Pole, 328 Athektobathron, or magic step, Davies's patent, 542 Atmospheric electricity, electric telegraph interrupted by, 594 railway system, 55, 475, 599 Varley's resilient, 599, 502 Cunningham and Carter's patent, 411

Clarke and

Axles, compound railway carriage, Bessemer's patent, 507

Baddeley's, Mr., report on the
London fires of 1846, 340
Bain's new system of electro-tele-
graphic communication, 590
Ballast shifting apparatus, Mr.
McGregor's, 515

Balloon, Archimedean, 532 Bancroft's patent process of refining oils, 252

Barm, or yeast, liquid, 516 Barometer, effects of the wind on the, 448

Batteries, percolating galvanic,
Brett and Little's, 563
Beach's patent metal roofs, 581
Beinhauer's blowing machine, 119
Bell casting, 263

Benton's patent method of raising water, 453

Bentham, Sir Samuel, breakwaters, 249

Bessemer's patent air-deflecting railway carriages, and compound railway carriage axles, 507 Bidder's Table, applied to the computation of land for railways, 613

Biram's oblique propeller, modification of, 121

-miner's safety lamp, 449 Blanks for screws or pins, Merrick's patent improvements in,

Brett and Little v. the Electric Telegraph Company and J. Massi, (Patent Law Case) 522 Brett's, (Jacob,) and Cook and Wheatstone's, double needle system, 462, 592, 594; electric printing telegraph, 518, 546, 623 Bridge building, by Sir John Rennie, 62

Osborne's patent

improvements in, 361

iron, over the Dee, fall of, 574, 595, 598

suspension, in the East Indies, fall of, 62 Brighton railway accident, 596 Brigs, experimental, Commander Harris, R. N., in reply to Capt. Fishbourne, R.N., 8 Brockedon and Hancock's patent improvements in India rubber and gutta percha, 504 Building materials, by Sir John Rennie, 110

Burner, gas, "National Economic," 69

Bush's proposed plan for a Thames protection fort on the Nore sand,

169

mode of sinking foundations in deep water, 171 Buttrick's patent improvement in machinery for making lead pipes, 181

Calculation, compendious, 512 Calendar of specifications of patent inventions, 89, 114, 137, 159, 182, 209, 237, 257, 284, 308, 333, 380, 431, 456, 477, 504, 526, 551, 559 Cambridge degree, value of, at Woolwich, 389

treatises, 298
scientific morality at,

317, 352, 373 Camel, Taylor's marine, 117 Canal locks, Lowthorp's wicketgate for, 603 Canals and railroads, Walley's

patent method of combining, 453 Candle lamp, M'Gary's patent, 49 Carbine's patent gutta percha miner's fuze, 494 Carrett's air, gas, and steam generator, 267 Carriages, Aitken's patent improvements in, 313

-, railway, Bessemer's patent air deflecting, 507 Claasen's patent improvements in, 488

cotton, 158
Explosions, coal-pit, 292

Chronometers, Hutton's patent
improvements in, 432
Circle, approximate rectification

of, by J. Cockle, Esq., M.A., 324
Claassen's patent improvements in
railways and railway carriages,
483

Clark's improved pyro-hydro-pneu-
matic apparatus, 25
Clarke and Varley's resilient at-
mospheric railway, 359, 503
Clock pendulums, new mode of
attaching, 397, 461
Coal-pit explosions, 294
Cockle, James, Esq., M.A., bar-
rister-at-law; Notes on the theory
of algebraic equations, by, 103,
122, 177, 418, 490, 516, 568;
chapters on analytical geometry,
245, 271, 292, 322; on the approxi-
mate rectification of the circle,
324

Coinage, decimal, 498

College for civil engineers, 31, 51,
77, 105, 122

Von Rathen's, 576
Computation of land for rail-
ways, Bidder's Table applied to,
613

Condensing rotary steam engine,
Corde's and Locke's, 73
Cook and Wheatstone's double-
needle telegraph and Brett's
electric printing telegraph, 462,
592,594

Cooling, questions in, 69
Copper ores, Napier's patent im-
provements in smelting, 200
Corde's and Locke's condensing ro-
tary steam engine, 78
Cubic numbers, roots of, short
method of ascertaining, 197
Cunningham and Carter's patent
atmospheric railway, 411
Daguerreotype plates, improve-
ments in colouring, Isenring's
patent, 454

Langen-
heim's patent, 454
Davies's patent athektrobathron, or
magic step, 542

and non-university mathemati-
cians, 428; geometry of the line
and plane, 536
Davis' patent lock, 624
Decimal coinage, 498
notation, 610

Dee iron bridge, fall of, 574, 595,
598

De la Haye's submarine railway be-
tween England and France, 566
Design registered, infringement
of, Webb v. Hughes, 38
Diary, Lady's and Gentleman's, the
prize questions of, 604
Disinfecting processes of Saloman,
Siret, &c., 563
Division, short, 243

Docks, wet, and harbours, on the
construction of, by Sir John
Rennie, 128
Ducking skiff, 256
Dundonald's, Lord, long range,
262, 359

Dynamical problems, necessity of
considering time, as an element
in, 57

Electricity, firing shells by, 17

galvanic, on the de-
composition of water by, 424

--, lighting by, Staite's
new patent, 621
Electro-magnetic spark, 263
Electro telegraphy: applied to fire-
engine stations, 55; wanton da-
mage to telegraphs, 143; progress
of in America, 249, 265; Frank-
lin and Morse, 263; Electric
Telegraph Company v. Nott and
others, 268; French's improve-
ments in instruments, 274, 398;
preaching by, 285; telegraphic
wire, Reid's patent, 432; com-
parative statement of the merits
of Messrs. Cook and Wheat-
stone's double-needle telegraph
and Brett's printing telegraph,
by Mr. French, 462, 592; Brett's
(Jacob) electro printing tele-
graph, 518, 546, 594, 623; Brett
and little v. Electric Telegraph
Company and Massi, 522; Staite's
lamp and flag signals, 589; Mr.
Bain's new system, 590; electric
telegraph interrupted by atmo-
spheric electricity, 594
Ellsworth's patent water-ram, 452
Engineers, Institution of Civil, Sir

John Rennie's address to, 18, 42,
62, 67, 84, 107, 110, 128

College for Civil, 31,

51, 77, 105, 126

236

American, in Russia,
use of mathematical
knowledge to, 325, 368, 393, 425,
440, 581, 618
Mechanical, Institu-

tion of, 520
Engine-rooms of steamers, appara-
tus for communicating between
the paddle-boxes and, 60
Equations, algebraic, Notes on the
theory of, by James Cockle,
Esq., M.A., barrister-at-law, 103,
122, 177, 245, 418, 490, 516,
568

Euclid's elements of geometry, by
Potts, 155
Experimental brigs, Commander
Harris, R.N., in reply to Captain
Fishbourne, R.N., on the, 8

Farey, John, Esq., on Trevithick's
high pressure locomotive, 378
Fenn's improved wrench, 300
Figured surfaces, Millward's pa-
tent improvements in, 403
Filters, Jennison's patent, 623
Fire engine stations, communica-
tion between, 55

Fires, London, Mr. W. Baddeley's
report on, for 1846, 340
Flax dressing and spinning ma-
chinery, Simson's patent, 193
Floating breakwaters, 217
Forder's patent weighted lever ap-

plied to steam engines, 451
Fort, Thames protection, Bush's
proposed plan for, on the Nore
Sand, 168

Foundations, Bush's mode of sink-
ing, in deep water, 171
Franklin and Morse, 263
Franklin's patent tile making ma-
chine, 459

Franks and Pauls' "National
economic gas burner," 69
French tracing paper, 253, 285
French's improvements in electro
telegraphic instruments, 275,

Gas, air, and steam generator,
Carrett's, 267
Gauge, magnetic steam, 112

break of, remedies for, 473
Geometers, claims of, to the dis-
covery of new or detection of
old errors in geometrical proposi-
tions, by T. Wilkinson, Esq., 248
Geometry, Euclid's elements of,
by Potts, 155

analytical, chapters
on, by James Cockle, Esq.,
M. A., 271, 292, 322

of the line and plane,
by Professor Davies, 536
Glass, Magoun's patent improve-
ments in moulding, 452
Godfray, Hugh, Esq., on the hy-
perbograph, 33

Gold, new salts of, Rev. Mr.
Reade's, 549

Goods wrappers, Henson's patent,

472

Gordon's patent fumific propeller,
205
Grain, hardening, before grinding,
262

Grove's, Professor, lecture on heat,
strictures on, 151