JULY 6TH.-DECEMBER 28TH, 1844.
EDITED BY J. C. ROBERTSON.
"To apply to domestic convenience the improvements which have been made in science, and to introduce into general practice such mechanical inventions as are of decided utility. It is thus, that we may most effectually perform what the idolized sophists of antiquity but verbally pro- fessed to bring down philosophy from the heavens, and to make her an inhabitant of the earth." DR. YOUNG.
PRINTED AND PUBLISHED BY JAMES BOUNSALL,
MECHANICS' MAGAZINE OFFICE, 166, FLEET-STREET.
PRINTED AND PUBLISHED BY JAMES BOUNSALL, 166, FLEET-STREET.
TO THE FORTY-FIRST VOLUME.
Auriferous pyrites of New Grenada, improve- ments in dressing it, 138 Axles, Rowan and Co.'s patent, 256 Baddeley, Mr. Wm., on the lightning con- ductor at the New Royal Exchange, 140, 204, 228, 325; on Col. Macerone's, (alias Wright's) patent waterproof com- position, 200
Bagration's, Prince, new voltaic battery, 44 Baily, (late) Francis, memoir of, 254 Baker's Periphan or improved planetarium, 177 Ballard's improvements in the manufacture
of sod and potash from sea water, 299 Barlow's railway key and wedge, 394 Battery, Smee's, new arrangement of, 378 Bavarian beer, 470
Bazin's mode of laying ropes, 442 Beale's rotary engine, 392, 463 Beams loaded vertically, flexure of, 174 Bee-house, James's, 396 Bee-preserver, Cope's, 441
Bentham's, Sir S., plans for breakwaters, 18 Bessel's discoveries respecting the stars Sirius and Procyon, 176
Bessemer's gold paint and bronze powder, 4 Billing's electro-magnetic machine, 401 Bituminous lake, 160
Blacklead marks, erasure of by caoutchouc, 300, 427
Blasting by galvanism, 159
Bleaching machine, Alliott's patent, 161, 179 Bodies, rigid, defects of elasticity in, 270 , amorphous and crystalline state of, 13 Boiler, new, Fairbairn's, 279 Boilers, Murray on the construction and proper proportions of, 453
Bombshell without fuse, invention of claimed by T. H. Pasley, Esq., 118 Books, old, curiosities of, 294, 325 Boots and shoes, Hutching's improvements in, 78
Booth and Stevenson's brick machine, 396 Botterill's, Professor, memoir on the in-
fluence of light, air, &c., on ale and porter worts, 425
Bouch's spring for railway carriages, 170 Brayton's let-off loom motion, 396 Bread manufacture, Dr. Ure on, 345 Breakwaters, Sir S. Bentham's plans for, 18 Breechin, Lord Thurlow's, 377
Brick machine, Booth and Stevenson's, 396, Bridge architecture, Dredge's system of, 135 Bridge of suspension over the Danube, by Tierney Clark, Esq., 121
Brine, Sylvester's mode of evaporating, 125 British Association, York Meeting, 1844 ; 250, 269, 279, 301, 314 Bronze powder, analysis of, 4
Bronze, Chinese, 16
Bruce's skim or stubble plough, 73
Brunton's wind hammer for boring rocks, 203 Buck's paddle-wheel, 441
Buildings, a crooked one made straight, 64 Building stones, selection of, 288
Butter casks, proper wood for, 27
" how to keep it sweet, 28
Calculator, the, by J. W. Woollgar, Esq., 212, 243, 291
Calculation, devices in, 291
Canals, screw propellers on, 48 Canal steam navigation, 288
Carriages, two-wheeled, Vipond's improve- ments in, 168
Carr's lard-burning lamp, 440
Casting moulds, Harley and Morris's, 397 Cement, Armenian, 288
Century of Inventions, Marquis of Worces- ter's, 408
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