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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 XXXII.

LONDON:

OFFICE: 31, TAVISTOCK STREET, COVENT GARDEN, W.C.

SOLD BY ALL BOOKSELLERS AND NEWSAGENTS IN THE KINGDOM.

1881.

THE NEW YOR PUBLICLIBRARY 126051

ASTOR, LENOX AND TILDEN FOUNDATIONS. R 1899 L

PRINTED BY BRADLEY AND COMPANY,

12, 13, AND 14, FETTER LANE, LONDON, E.C.

INDEX TO VOL. XXXII. ENGLISH MECHANIC.

ABSCONDED tenant, 190

Accident: Bishop's Stortford, 472; Blea
Moor Tunnel, 188; Nine Elms, another,
590; Surrey Canal Junctions, 565
Accidents: at Berwick and Wennington,
13, 114, 162, 188, 237; at Crewe, 590; at
Lille, 13, 38, 89, 139; Kibworth, 162,
250; Leeds, 449, 497, 519, 541; near
Primrose Hill, 37; Penilee and Vauxhall,
280; Prestbury, 325, 353, 375, 423, 449,
497, 519; railway, 67, 114; Rutherglen,

161

[blocks in formation]

Assimilative organs of plants, 416
Asthmatic tendency, 430, 452, 475, 501, 522,
570, 593

Astigmatism, 91, 138, 188, 211, 237, 303,
402, 424, 447

Amateurs' tools and motive power for, 3, | Ash, soda, 145
126, 226, 292, 414, 532
Amber: 17; to join, 218
America: English tin-workers in, 69;
prodigious magnifications in, 84
American: expresses, 237; leather, sticky,
168; locomotives, new, 223; microscopy,
562; organ matters, 454, 455, 476, 501,
527, 574;-two manual, 429, 451, 475,
501, 521, 545, 569, 593, 617; trains, 300;
v. English watches, 91; view of the de-
phosphorising process, 435; views on
high speed, 180; watches, 63, 113
Ammonia: 19; improvements in the pro-
duction of, 80

Amplification, microscopical, 574
Analysis: blowpipe, 335; chemical, 44, 94,
97, 121, 166; ferric pyrophosphate and,
596; milk, 279; of mortar, 450; of
mineral water, qualitative, 65, 215; of
oily mixtures, 470; spectrum, as applied
to solar system, 584; water, 70, 218, 240,
281, 305, 310; wine, 70
Anatomical specimens, preserving, 502

Adjusting equatorial, 207, 219, 241; ob- Ancient bones, 570

ject-glass, 357

Adoption, legacy duty and, 405
Advertising: in the Times, 444; unscru-
pulous, 216

Aerial: flight, 61, 88, 112, 160, 556; navi-
gation, 235, 424, 550, 623; photography,

82

Estheticism, colour or philosopher's white
and, 615

Atrica, gravestone in, 219, 479, 502
Agricultural education, 5; engine, 430
Ague germs, 358

Air: of the ground, carbonic acid in, 369;
organic matter and infection in the, 173;
pressures, 18, 42, 72; regulator, 469
Air-engine for streets and railways, 140
Air-motor, compressed, for boat, 454, 501,
545, 570, 617

Air-pump: 18, 117, 191, 243, 283, 311, 403,
428, 501; for engines, 41, 121
Albatross, 62, 82
Albo-carbon gas, 401
Alcohol: 22, 45, 69, 72, 142, 215; freezing
points of watered, 252; from coal-gas,
549,572
Alcoholic fermentation: in plants, 231;
manufacture of yeast without, 461
"Aletheus" on matter, 89

Anaesthetic, Edison's, 79
Anemometer, 307
Aneroid, recording, 191
Angle of lathe mandril, 623
Aniline: cycloids, 370; ink, 279, 286
Animals: domestic, homoeopathic treat-
ment of, 95; mental powers of the
lower, 228

Ankle, sprained, 18
Annuities, 146

Ansell's fire-damp indicator, 304, 277
Antares, 35

Anthracite, the steam yacht, 131
Anthracite coal, 5
Anthropometric committee, report of, 5
Anti-incrustators, boiler incrustation and,

200

Aperture and separating power of o.g.,
494

Apertures: exceeding 180° in air, 273; of
large telescopes, contracting, 60
Apology, a protest and an, 164
Apparatus: cheap, 378, 404, 422, 424, 472,
500; drilling, 479, 550, 622, 624; medical
electrical, 548

Apprentices: in navy, 527; indentures of,

624
Aquarium, 147

Algol: dark systems of the type of, 109, Aquila and Aquarius, 36; Birmingham's

[blocks in formation]

red star in, 59

Arc: chord of, 95; described by pendulum
regulating, 239; length of, 95
Arithmetical: 548; frames, 550
Army, buying out of the, 479, 502
Arsenic, chemical
cause of poisonous

nature of, 124

Astronomer Royal for Scotland, F.R.A.S.
and the, 277, 298, 299, 348
Astronomical: 138, 589; eyepieces, 9, 72,
298, 311; notes, 78, 174, 270, 388, 488,
581; photography, 422; refraction, 417;
society, the Royal, 539, 588
Astronomy for the million, "illustrated,"

348

[blocks in formation]

Atmosphere, bacteria in the, 106
Atoms, mean free path of, 17
Attic observatory, 348, 359
Attraction: 376, 401, 449, 469, 565, 615; of Belts: driving, 193, 281;-crossed, 359,
gravitation, 545

Aurora borealis, the, 277, 516
Australian: opals, 370; telegraphs, 383
Automatic coupling, 503, 524, 571
Axiom of parallels, 543
Azaleas, transplanting, 43

BABBAGE'S: calculating machine,
70, 109; difference engine, 157
Bacillaria paradoxa, 138
Background, photographic, 166, 191, 574
Back-rest, cutter-bar and, 356
Bacteria in the atmosphere, 106
Baize door, 146

Balance: adjustment, 408; for chemical
students, home-made, 65, 137; tubular,
403

Balance-spring, 166, 239

Ball bearings, Bown and Hughes, 203;
steel, turning, 244, 264
Balloon, model, 96

Ball's division, 378, 444, 468, 494, 516, 539
Band saws, 45
Bank clerks, 71
Barium sulphide, 144
Barlow lens, 22, 73
Barnard's spot, 421, 446, 469
Barometer: 310; scale-plate of, 73, 215,
281: the glycerine, 94, 532; tubes, 146
Barrett's, Prof., experiments on clairvoy-

ance, 145

Baths, frozen photo, 382
Battery: aluminium, 426; bichromate, 92,
4' 6, 423, 428, 451, 572; Bunsen, 575,
622;-improvement of the, 260; carbons,
preparing, 550, 595; choice of, 146; Le-
clanché, 221, 243, 264, 265, 283, 285, 307,
548, 540, 572; non-constant, 74, 143; of
14,400 cells, 500; power, 19, 503;-con-
stant, 265, 334; secondary, 108; sulphate
of mercury, 406, 423; weak, 22, 73;
wooden, coating for, 549, 595

Art of watchmaking, 63
Artificial: actinic light, 335; horizon, 298; Beam, load on, 573, 595

manure, 573; teeth, 425, 567, 592
Artisans' year-book, 370

Ascending lightning, 37

Beams, breaking weight of, 407
Bearings, Bown and Hughes' ball, 203
Bedroom, warming, 248, 283, 381

381; Jupiter's, 157

Beuch, shoemaker's, 20

Bench-knife. jner's patent, 153

Benzoline ,401, 449, 497, 518, 548, 563,

622

Berwick accidents, Wennington and, 13,
114, 162, 13

Bichromate cells, 92, 406, 423, 428, 451,
522

Bicycle: Devon safety, 472, 518, 543;
ideas, 17, 45; repainting, 454; repairing,
572; tires, mending, 261
Bicycles: improvements in details of,
185; uphill, 95, 119, 166, 215, 281, 25,
329, 354, 379

Bill, heavy lawyer's, 18
Binocular: defective, 383, 406; microscope,
full aperture prism for the, 278, 352;
microscopes, monocular and, 421, 468
Bird, mechanical singing, 39, 92, 136, 211,
280

Bird flight, mechanics of, 394
Birds, flight of, 14, 38, 66, 68, 86, 111, 112,
132, 134, 158, 186, 213, 279
Birmingham's red star in Aquila, 59
Birth, legal proof of, 121, 166, 216
Bishop's Stortford accident, 472
Black for writing on white enamels, 527,

595

Blacking for boiler top, 96, 120
Blacksmith's forge, 406
Bladders, dressing, 194, 241
Blades of fans, 504
Blast, 501

Blasting in coal-mines, 220, 242, 262, 283,
330, 404, 450, 474

Blea Moor tunnel accid nt, 188
Bleaching: 452; feathers, 74; fern fronds,
219; grass, 355; tallow, 550
Blinds, painting Venetian, 406
Blood, 571

Bloomsbury to Brompton, from, 9
Blowpipe: 220, 262, 306, 879, 881; analy-
sis, 335; apparatus, pocket, 273;
arrangement, handy, 358; workers,
challenge to, 378
Bluestone, 46, 65
Boards, local, 78

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