ENGLISH MECHANIC AND WORLD OF SCIENCE WITH WHICH ARE INCORPORATED "THE MECHANIC," "SCIENTIFIC OPINION," AND "THE BRITISH & FOREIGN MECHANIC." ILLUSTRATED WITH NUMEROUS PRACTICAL ENGRAVINGS. VOLUME XXVI. LONDON: OFFICE 31, TAVISTOCK STREET, COVENT GARDEN, W.C. SOLD BY ALL BOOKSELLERS And Newsagents in the KINGDOM. 1878. THE NEW YORK ASTOR, LENOX AND TILDEN FOUNDATIONS. R 1899 L LONDON: WALTER SULLY, PRINTER. 1 & 30, PLOUGH COURT, FETTER LANE, LONDON, E.C. INDEX TO VOL. XXVI. ENGLISH MECHANIC. ABERRATION, 137 Anti-friction metal, 259 Absorption of water by roots of plants, 520 Ants in garden, 77 Accident at Hatfield, 555; to Midland Accidents, railway, in 1876, 2 Accommodating: very, 500; wheel-base in Achromatic condenser, Webster's, 246; eyepiece for refractor, 634; Newtonian or, 380; object-glass, 66, 117, 139, 267 Achromatising a telescope, 380 Achromatism of the eye and the use of Acids: 368, 390, 412, 431; combination of Aperture angular of micro-objectives, measurement of, 14, 64, 95, 169, 219, 477, 504, 558, 629; telescopic, controversy, 70, Apertures, small, 17, 35, 39, 91, 115 Apparatus: compact solar photographic, Apparent size of the moon, 575, 600 Aquarii, double star near psi1, 89, 101, 125, Aquarium: rockwork for,100; Westminster, Aquarius, double stars in, 137 Arithmetic, 341 Adjustable: crank, 217; slit for spectro- Aren of sphere, 585, 600, 611 Adulteration of aniline colours, 110; of Art: a mysterious work of, 35; of the Artificer for the navy, 176, 197 Artificial: amber, 488; black walnut, 241; gems, 135; stone, 458, 508, 534, 559, 606; Astronomical: 39, 76, 91, 125, 139, 173, 480, 527, 584; eyepieces, 67; instrument, 633; notes, 53, 156, 277, 372, 493, 527, Altazimuth, equatorial motion for, 284, 426 Altitude and azimuth of a star, finding Amalgamation of iron, 501 Queensland, 479; myths and marvels of, Atmosphere: and specula, 125; lunar, Amateur: observatory, 338, 432, 483; tele- Australian coal fields, 195 Ammonia, sulphate of, 512, 537 Amphipleura pellucida: 119; resolution Anemia, cure of chronic, by transfusion of Autographic printing, 46; process, a Analysing water, 150; white bottling Analysis: coal, 18; of insulating glass, 195; of manures, 431; of rocks, 259; of soils and manures, 453; of sugar, 47, 74, 506; of yellow metal, 220; proposed new method in solar spectrum, 59; slag, 431 Ancient life in America, 58; mica mines Aneroid barometers, 204, 317, 411, 435 Angelophone or harmonicon, 196, 338, 364 Angles, on the conclusion of, 138 Angular aperture of microscope objec- Axes, new arrangement for distinguishing, B. Sc. examination, London, 562 Bakers' ovens, construction of, 209 Balance: cheap chemical, 432, 483; screws, Balancing piston of slide-valve, 460 Ball: bearings, 121, 193, 217; valve, Bamboos, varnish for, 48, 75, 76 Bani saw: 399; circular or, 318, 484 Bar: magnet, compound, 243; -for tele- phone, 270, 293; vibrating, 511 Barlow: Huyghens v., 426, 436; lens for Barometer: 245, 271, 293, 320; rise and fall of the, 120; screw at bottom of, 151 Barometers: aneroid, 294, 411, 435; as weather-glasses, 436, 461, 581; correcting, Bass viol, 487 Basses, substitute for organ pedal. 408, Bath: gas heated, 632, hyposulphite of soda in, 583; pump for, 582; solutions, removing metallic silver from, 350, 409 Batteries: Bunsen's, 368; carbon plates Bee life-history of the hive, 337, 407, 428, 477, 505, 577; management, 278, 301, 326, Beer: doctored, 248; glycerine in, 550; malt syrup and the manufacture of, 61 Belemnites, Prof. Huxley on, 397 Bell, electric, 390 Berlin black, 100 Berteh induction machine, 412 Blowing: glass, 220; organ. 159, 453 Blue: and violet dyes, 630; colour on Board of Trade: continuous brakes and the, 542; examination for masters' certi. Body, distribution of unorganised ferments Bogie: carriages, 92, 140, ; engines, dimen- sions of N. B., 458; tank engines, 536, Boiler: 44, 174; Cater's horizontal, 175, 220; circulating, 462, 485, 509; construc- tion, 151; Cornish, 389; explosions, 615; -oxyhydrogen hypothesis of, 229; faulty, 244; incrustation, 246; making, 220; plates, action of heat on, 467; priming Bone: bleaching, 100; dyeing, 100 Boots, new, 366, 388 Borax, mixing with starch, 607, 631 Best pump, 126 Bicycle: 44; accident, 336; bearings, 295; burnishing, 199; gilding rims of. 459; height of, 12; motive power for, 43; or tricycle, 12; paint, 338; polish, 147, 268; Singer's safety, 556, 625; seat sliding, 428, 478; spoke nipples, 367; wheel, straightening, 246; tension, 453; Bicycles: construction of, 12, 40, 43, 71, 121, 193, 217, 238, 290, 312, 335, 361, 386, 389; friction point in, 261, 312, 362; im- provements in, 92; new v. old, 241, 291, new hub for back wheels of, 193, 335; stilts v., 261, 291, 311; suspended roller bearings for, 311; v. tricycles, 193, 312; Big telescope, a, 185 Bindings, polishing backs of leather, 610 Birmingham's catalogue of red stars, 467 Bismuth, lead, and quicksilver mixture, 560 Bisulphide of carbon in motive power Bits, wood boring, 342, 367 Black Berlin, 100; bronze or lacquer, 45; Blast: furnaces in the United States, 6; Blasting: 294, 817; by dynamite. 414 Botanical microscope, 151, 175 Botany: 268; the progress of, 568 Bottle, mending broken water, 338 Brake: automatic, Westinghouse, 482, 578, 627; Clarke Webb, 627; combined steam and hydraulic, 529, 578, 605; for cart, 149, 212, 559; Roberts's railway, 452; Smith's vacuum, on G.N. railway, 76; Brakes: continuous, 288, 510, 578, 605, 627; -and Board of Trade, 512; the rival, Brass: black finish for, 163, 295, 341, 366; blacking, 611; bronzing, 368, 389; can- Breakage of glass, 22, 46; of shafts and screw propellers, 580, 606, 628 Breeding poultry, French and English, 163 Brick, seeing through a, 368, 399, 412 Bricks, the colour of white, change of, 120 Bridges: plank v. girder, 36, 65, 121, 141, Bridges, strength of, 15, 65 |
