ABNORMAL year of 1879, 520
Absolute barometer, 457
Academy, Royal Military, 397
Acceleration, 94, 144

Accidents: boiler, 549; railway in 1878, 150
Acids: 118; adulteration of, 320
Acoustics, 576

Action: chemical, 186, 215, 288, 314; of
magnetism on circularly polarised light,
279; of siphon, 631
Adam, age of, 214, 240, 267
Adhesive material wanted, 193
Adjustable spanner, Leeson's, 152
Adulteration of butter, 191; of food, 224;
of intoxicating drinks, 191; of milk, 188;
of oils, 191
Adulterations, food, 207

Amoeba, the famous, 590
Analyses of fruit, 575
Analysis of ales, 220; of artificial
manures, 147; of clay, 501; of saccharine,
577; of vowel sounds, 318; of wines and
spirits, 62; organic, 497; volumetric, 164
Analyst, new instrument for mineral, 109
Analytical examination of vowel sounds,
112, 162, 190, 217, 267
Anchylosis, 271

Ancient: chronology, 140, 157; lights, 450

526

Aneroid barometer, 17, 43, 60, 67, 70, 92,
114, 115, 161, 424
Angle-iron, holes through, 166, 193
Aniline: black, 110; colours, 273; inks,

421

Advanced: physics, 71; works on magne- Anilines, red, 657
tism and electricity, 526, 552
Folian harp, 296, 344, 553

Aerial: carriage, Brearey's, 624; tubers,

427

Aeronautics, 410, 444, 470, 497, 520, 545
Agassiz, anecdote of, 885
Age: neolithic, 620; of Adam, 214, 240,
267; the ice, 468

Agricultural: chemistry, 272; exhibition,
the London, 369; show at Kilburn, 411
Agriculture, artificial manures and scien-
tifle, 430

Air: running a locomotive with, 446;
thrown by fans, 165
Air-gun, 605

Air-pump lubricant for, 121, 146; West-
inghouse, 599
Air-tight: bags, 425; compartments, 578,
604; metal boxes, 166

Alarm, low-water, 522

Alarum, electric, 21

Astronomy, certain enigmas of, 32, 60, 106, Battery: 298; and coil, 22, 41; bichromate,

111

Atlantis, 120

Atmosphere, composition of the, 305
Atmospheric gas apparatus, 143
Atomic heat, 606
Audiometer, Hughes's, 259, 301
Auric chloride, 373
Australasia, death-rate in, 75

Animals affected by music, 95
Annual meeting of the Chemical Society,89
Animation, suspended, 307, 361
Annealing cast metal, 474, 499, 603, 628
Annuity, post-office, 322
Antares, 386, 415, 439
Anthracene test, 270
Anthropometric committee, report of, 619
Anti-friction curve, Schiele's, 626, 651
Antimony and bismuth thermopile, 374
Antipodes, optics at the, 241
Antiquity of man, 49, 125, 188, 200, 243,
269, 291, 310, 643
Ants, tidy, 334

Apparatus: gear-cutting, 540; rocket, 474,
524

Apparent enlargement of the heavenly
bodies near the horizon, 184, 210, 238,
290, 336

Albert Hall, exhibition of electric lighting Applied mechanics, 657

apparatus at, 227

Alcohol calculations, 342, 373

Alcoholometry, 247, 342

Ales, bisulphite of lime in, 183, 218

Algebra of logic, 643

Algol, companions to, 468

Allen, Mr., and organic nomenclature, 10
Allotropic modifications of the metals, 124
Alpine pigeon flying, 647
Altitude, 413, 449, 464
Aluminium chloride, 22, 41
Amalgam, copper, 502, 526
Amalgamating: liquids, 607; metals, 576,

630

Amateur: lathe-work, 386; mechanics,
06; - Association, 216, 308; photo-
graphy, 486
Amaurosis, 169
America, rents in, 21
American: clamp couplings, 147, 166; in-
ventions, 267; lightning saw, 607; loco-
motive, test of an, 377; organ, 147, 294,
425, 631;
fan tremolo for, 97; warn-
ings, 418
Ammonia, sesqui-carbonate of, 508

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Appointment in navy, 503

as a health resort, 345, 394, 446; emi-
grating to, 322; locomotives for, 124;
schools in, 168

Author of quotation, 262, 296
Automatic gas-lighter, Klinkerfues', 303;
gate-opener, 492,
599;
Jablochkoff
candles, 86; vacuum brake, 272
Avalanches, 124
Azores, tea from the, 244

BABBIT metal bearings, 348
Babydom of machinery, 8
Bachelor of Science (B.Sc.) examination,

577

Background: 41; for Rembrandt effects,
Bags, air-tight, 425
Baking powder, 273, 296
Balance: Prof. Hughes's induction, 29,
259; Mr. Edison and the induction, 154
Balancing slide-valve, 575
Baldwin's phosphorus, 553
Ball bearings for bicycles, 68

and, 611

Aqua regia, 477, 500

Aquarium, 604

Aquile, epsilon, 386, 413, 439, 468, 517
Arc: electric, its resistance and illumina-
ting power, 487; of sextant, 502
Architectural drawing ink, 654
Arctic exploration, 515
Arithmetic, raising powers in, 20
Arithmetical: 448, 630; rule, new, 36
Armature, Siemens', 273, 344, 424, 473, 529
Army, cost of entering, 475, 550
Arrow-heads, how the Indians made, 490
Arsenal, Japanese, 633

Arsenic in wall-papers, test for, 40, 92, 142
Artesian wells in Central Australia, 565
Articles, turned, 95
Artificial: diamonds, 462; eggs, 551; flight,
485, 521, 569; freezing of water, 323;
light for photography, 186; - painting
by, 606;-taking a negative by for 1d.,
179; manures, 430; minerals, 611;
minnow, 164, 191, 245

Ballooning: 263, 292, 317, 367, 390, 419,
470, 520; military, 570
Balsam of horehound, 92
Band-saw, 221

Bands, brass, 553, 576, 628
Banjo, learning, 605

Bankrupt estate, creditor's claim on, 322,

398

45, 65, 72, 93, 121, 272; chalk cylinder,
Edison's, 535, 601; chromate of lime,
296; chromic acid, 65, 137, 159; cracked,
45, 71; current, fluctuations in external
resistance of, 267, 290, 340, 389; Daniell,
474, 475; effect of leaving acids in Bun-
sen's, 72; Fuller's, 72; Grenet's, 45;
Grove, 191; heat and E. M. F., 602;
iron, 297; Leclanché, 73, 348; magne-
sium, 248, 272; medical, 398, 423, 448:
Muirhead's, 631; old, 632; Plante's
secondary, 67, 165; Plush, 345; poles,
121, 145; power and the microphone,
240; resistance, 45, 72; seal, 96; size of.
121, 145; trough, 298; zincs, keeping
clean, 70

Beam blast engine, 44, 92
Reams, weighing, 41

Bearings: Babbit metal, 346; improve-
ments in roller, 378; loco., 449
Beat, putting watches in, 499
Bedford Catalogue and Vol. XL. of the
R. A. S. memoirs, 14, 336, 361
Bee-keepers and surplus honey, 32
Bees: 500; and bee-keeping, 236; dance of
death, 19; utility of, 261

Bell's telephone, recent improvements in, 206
Bell: diving, 147; electric, 42, 145, 322, 451,
607; relay for, 424

Bellet and Hallez d'Arros' electric drawing
apparatus, 561

Bellows: exhaust, 399; mending 374
Bell-push, 42

Bar-frame hive, Pettigrew on the, 284
Barff's process for preventing corrosion of Bessemer steel ladles, improved stopper
iron, 78

Barium, separation of, 422
Barometer: 147, 219, 424; an absolute,
457; aneroid, 17, 43, 60, 67, 70, 92, 114,
115, 161; reducing to sea-level, 553, 604,
654; tubes, refilling, 120
Barrels: gun, 449; petroleum, utilising,
322; watch, 42; water, waterproofing,
146

Basin, drilling hole in, 278
Bath: calcium chloride, 91; electric, 164;
hot-water apparatus for, 19, 69, 823; how
to sun a, 647; silver, 221, 246, 271

-

and nozzle for, 14
Bevel levers for piano, 169, 219, 246
Bichromate battery, 45, 65, 72, 93, 121,
247, 272; cell, salts for, 21, 41; nega-
tive elements of, 298; cells, Fuller's, 416
Bicycle assisted up-hill, 44; bearings, 43;
crank, detachable, 267, 313; Reeve's in-
proved, 441 tires, 11, 65, 313;
Sparrow's, 341; Xtraordinary challenge,
408, 553
Bicycles: improvements in, 241, 298; latest
novelty in, 408; tricycles and, 650;
prices of, 650

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