[Under this head are included "Scientific Societies,' ""Reviews of Books," "Useful and Scientific Notes," "Extracts from Correspondence," and
work, 624; vaccination, 261
Chips, 23, 47, 71, 95
Chloral, value of, 407
Chloroform manufacture, 398
Chuck, Bennett's, 65
Circle-squaring, 333
Circular saws, 498
Clairvoyance, 285
Cleaning: paint, 276; watches, 17 Clearing muddy water, 167 Clogging of bolting cloths, 498
Coal dyes, 407; coal formation of the Lofoden Islands, Norway, 523
Coating for fire-arms, 504
Coil, induction. 258
Coins, gold, 203
Cold galvanisation of iron, 551
College, Working Men's, 23
Colouring matter of blood, 119
Combustible gas, spontaneous, 551
Commerce and trade, 212, 309, 427
Composition for bottoms of vessels, 34;
composition of Chinese lacquer work,
Concave lens, 309
Confectionery, cheap, 407
Congratulations, 191, 312, 408, 528
Construction of velocipedes, 379
Consumption, 17; consumption of frogs in
France, 34
Continuous current of air for blowpipe, 143; continuous current in hemiplegia, 407
Contributions, "original," 258 Conversion of sulphur, 71
Co-operative Watch-making Company, 119
Copper and brass, plating, 575
Copying statuary, 47
Corinth, Isthmus of. 23
Correspondents, hints to, 17
Cotton, a new kind of, 23; cotton-spin-
ning, 235
Crank-less steam engine, 119
Crystalline sulphur, 71
Culture of the potato, 285
Curious discovery, 119; facts, 23, 47:
questions, 427; sentence, 475
Current of air for blowpipe, 143 Cutter-bar, plan for, 187 Cymbals, 576
EAR, the, 235 -
Earth and its figure, the, 139, 379
Eating mussels, 551
Economical paint, 479
Electric machine, new, 576
Electrical psychology, 139
Electricity in cauterisation, 537
Electro-deposited iron, 43
Elementary science, 309
Emigration, 9, 309, 355, 359
Engine, crank-less steam, 119
England's wealth, 479
ENGLISH MECHANIC, the, 65: ENGLISH
MECHANIC lifeboat, 23; ENGLISH ME-
CHANIC Scientific Society, Manchester,
431 ENGLISH MECHANIC Society for
London, 285, 523
"English" velocipede, the, 115
Evolution of gas by ripe fruit, 333
Examination of air, chemical, 167
Excavations in Pompeii, 119
Exhibition of fans, 263
Expanding drills, 167
Exports of machinery, 419
Eyes the, 407, 531
Eye-lotions, 498
Factories and Workshops' Act, 576
Fall of rain in France, 359
Fans, exhibition of, 263
Faraday on optical glass, 70
Farming, amateur, 139
Fever disinfectant, 600
Figure of the earth, 371
Files, re-sharpening, 167; filles sharpened
by galvanic current, 141
Fine varnish for wood, 407
Fire-arms, coating for, 504
Fishes, changes in, 263
Fixing photographic prints, 523
Flies on horses, 407
Floating telegraph station, 23
Fluorspar in glass manufacture, 551
Focal length of concave lens, 309
Form of the earth, 139
Formation of coal in the Lofoden Islands,
523
Powls v. worms, 394
Frames, picture, 575
Free schools of industrial art, 65
French rainfall, 359
Friendly Society, Victoria Legal, 431
Frogs in France, consumption of, 34
Fru, evolution of gas by, 343
Fuchsine, arsenic in, 71
Furnaces, blast, 431
GALVANIC batteries, 523+ galvanic
current for sharpening files, 141
Galvanisation of iron, 551
Gas, 427, 498; gas, ammoniacal, 95: gas
or air for blowpipe, 143; gas in blast
furnaces, waste, 431; gas, purifying,
575; gas, spontaneous combustible, 551;
gases, action of magnetism on, 23;
gases evolved by ripe fruits, 333
Gelatine, 23, 71, 576
Geology, Norfolk, 470
Glass, influence of the sun on, 225; monu-
facture of, 551; needle-cases, 359; opti-
cal, 70
Globes, reading from the, 235, 259
Good barm, 65: good substitute for bind-
ing screws, 115
Grafting in China, 263
Grape sugar, 431
Grease-tree, the, 263, 271
Green, Paris, 594
Guinea and the pound, the, 167
Gulf-stream, the, 70
Gum-trees, 95
Gun accidents, 43; gun, a new, 559
Indian: architecture, ancient, 212; medi- cinal plants, 95; medicine, new, Indigenous medicinal plants, 95 Induction coil, 258
Industrial art, schools of, 65 Influence of sewing-machines on health, 47: influence of the sun on glass, 225
Inspection of boilers, 309
Institution, National Lifeboat. 9 Instruments: brass, 498; optical, 359 Interesting facts, 23, 47, 65, 143
Inventor, the, 24, 48, 72, 96, 120, 144, 168,
192, 216, 239, 264, 288, 312, 336, 360, 384,
432, 456, 480; inventors' models, 504; inventors, rewards to, 359 Lodine from Chili saltpetre, 621
Iron chimneys, 23; iron, electro-deposited,
43; iron, galvanisation of, 551; iron, rusting. 431; iron ship-building, 431; iron, spitting of, 503; iron and steel rails, 407; iron, tinning, 359 Isthmus of Cornith, 23
JEWELLERY, repolishing, 407
Joints in brickwork, 271
Journal of patents, 24, 48, 96, 120, 144, 168,
192, 216, 239, 264, 288, 312, 336, 360, 384
432, 456, 480
Leaky roofs, 557
Leather belts, splicing, 43
Leaves of the vine, 309
Leeches, Australian, 431
Left and right hands, the, 551
Length of concave lens, focal, 309
Lenses: concave, 309; rare, 17
Letters, Beardsley's, 164, 187
Lifeboat, ENGLISH MECHANIC, 23; Life-
boat Institution, National, 9
Life, restoring, 141
Light, new naval, 479; light and optical
instruments, 359; light, reflected, 263
Limbs, artificial, 333
Liquor, ammoniacal gas, 95
Lofoden Islands, coal of the, 523
Logwood in wine, 479
London: Co-operative
MADNESS in animals, 383
Machinery: exports of, 419; lubricating apparatus for. 129; versus steam, 91 Machines: electric, 576; hydrostatic, 383; for peeling potatoes, 203; sewing, 47, 379
Magnetism, effect of on gases, 23 Mahoe wood, blue, 139, 187
Making: barm, 65; bread, 43; butter, 23 Man, pre-Adamite, 475; man, weight of in winter, 119
Manchester Steam Users' Association, 47
Manganese battery, 17; manganese in
milk, 359
Manufacture of: chloroform, 393; glass,
551; grape sugar, 431
Material for building, new, 504; material,
Measurement, standard of, 119
Mechanical movements, 523; Mechanical Society, Amateur, 47, 383
Medical opinion, 17, 65
Medicinal plants, Indian, 95 Medicine, new Indian, 552 Medulla oblongata, 383 Meteorites, 115
Methods of copying statuary, 47; de- termining focal length of concave lens, 309; obtaining air or gas for blowpipe, 143; obtaining gelatine, 23, 71; purifying gas, 575
Microscopical, 355, 512
Milk, 263; milk, manganese in, 359; milk, preserved, 552
Mind and body, 235
Mine, salt, 594
Mirage, 523
Mitrailleuse, the, 551
Models for inventors, 504
Modern art, 167
Monster, petrifled, 552
Moon, the, 43, 91
Mortar, 23; mortar joints in brickwork
Oakum as a surgical dressing, 576
Observing Astronomical Society, 431
Obtaining air or gas for blowpipe, 143;
obtaining gelatine, 23, 71
Oil, glycerine, a substitute for, 333; oils:
olive, 503; paraffin, 17
PACKING paper, 503
Pails, painting, 286
Paint: cleaning, 276; economical, 479
Painting wooden pails, 286
Pannier railway system, the, 70
Paper: new test, 585: packing, 503; sil-
vering, 143; uses of, 501
Parchment and paper, uniting, 431
Paris green, 594
Patent Journal, 24, 48, 72, 96, 120, 144,
168, 192, 216, 239, 264, 288, 312, 336, 360,
384, 432, 456, 480; patent laws, the, 164
Pedespede, 212
Peeling potatoes, 203
Petrifled sea monster, 552
"Phantom" veloce and wheel, 187, 212,
258
Phosphorus: antidote for, 23; luminosity
Gas Economy-Things Worth Knowing about Gas, 155
Gas Managers' Handbook, 155
Hogg's Secret Code for Letters or Tele- grams, 323
Manual of Colours and Dye Wares, 439 Manufacture of Beetroot Sugar in Eng- land and Ireland, 414
Modern Practical Angler, the 322
Other Worlds than Ours, 241
Pewtner's Comprehensive Specifier, 438
Proctor's New Star Atlas, 413
Public Schools Reform. 509
Quarterly Journal of Education, 438
Second Course of Orthographic Projec-
tion, 322
Transactions of the Woolhope Natu- ralists' Field Club, 389
Water Analysis, 389
Rewards to inventors, 359
Ribbons, renewing, 479
Right and left hands, 551
Rigi Railway, the, 498
Ripe fruit, evolution of gas by, 333
Roller barrow, the, 359
Quekett Microscopical Club, 468
Royal Astronomical Society, 8, 109, 224
Royal Irish Academy, 369
Royal Microscopical Society, 121 Scraping slide valves, 263
Screws: binding, 115; hints about, 263 Sea cucumbers, 576; sea dredging, 263; sea monster, petrified, 552
"Seely's pigs," 455
Self-feeding turning lathe, 455
Sense of taste, the, 95
Sentence, curious, 475
Setting valves, 498
Sewing Machines, 47, 379
Sharpening files by galvanic current, 141
Ship-building, iron: 431; ships' bottoms,
composition for, 34
Signals, Railway, 504
Silver, 167; silver solder, 407; silvering
paper, 143
Size of atoms, the, 119
Sketching from nature, 17
Slide-valves, scraping, 263
Solder: silver, 407; soft, 407
Solid beer, 70
Some hints about screws, 263
Something new on silvering paper, 143
Sonnambulism, 624
Tehuantepec Canal, 23
Tea: poisonous, 310; spurious, 79
Telegraph, atmospheric, 419; telegraph
station, floating, 23; telegraphic im-
provement, 359
Telescope, the Wandsworth, 235
Test for logwood in wine, 479: test paper, new, 585; tested recipes, 235, 258, 333; testing armour plates, 70
Testimony, a workman's, 546
Timber, drying, 407
Tin in California, 23
Tinning iron without heat, 359
Tobacco, 359
Traction. 394, 451, 479
Trade and commerce, 212, 309, 427
Transit instrument, 43
Treating ammoniacal gas liquor, 95
Trees: candle-bearing, 45; grease, 263,
WANDSWORTH telescope, the, 235
Warming carriages, 263
Waste gas in blast furnaces, 431; waste
material, 187
Watch-cleaning, 17; watch-making by
co-operation, 119
Water, clearing, 167; water type, the, 71
Waterproof facing for brick-buildings, 95;
water-proof packing paper, 503, water-
proof stone, 586
Wealth of England, the, 479
Weighing-machine, hydrostatic, 337
Weight of man in winter, 119
What is wanted in modern art, 167
Wheel, the Phantom," 187
Wine, logwood in, 479
Winter weight of man, 119
Wolfe's "original" contributions, 258
Wood: carving, 503; blue mahoe, 139,
187; preserving. 263; varnish for, 407;
wooden pails, painting, 286
Wootz, 552
[Many of the subjects under this head will also be found in "Letters to the Editor."]
ACCORDION stand, 262 452, 546 Acids: carbonic, 550, 572, 596; fluoric, 478, 501; hypochlorie, 20; nitric, 45; nitrous, 598; oleic, 142; picric, 550, 573, 596 Act, Metrical, 166, 335, 380
Adhesive material, 69, 117 Adjustment of microscope, 526, 549 Adulteration: food, 382, 594; oil, 406, 453; turpentine, 166, 189
Eolian harp, 119, 165 Aerated waters, 335, 526 Aerostatics, 623
Affection of the teeth, 118, 141, 164 Africa (South), climate of, 214 Agricultural Exhibition, Oxford, 69 Ailanthus, 599
Air current, 623; air, foul, 502, 548, 595; air gun, 238, 311, 404, 499, 550, 596; air, speed of, 23, 68; air stove, 94; air string pump, 335, 380; air v. steam, 575
Alabaster glass, 406
Alarum for Dutch clock, 238, 452
Albumen in milk, 21
Algebra, 166, 357, 382, 404. 429
Algebraic equations, 69, 93, 117
Alloys for tin foil, 406
Alum, 68, 92; alum and iron tanks, 21
Aluminium bronze, 287, 379
Amadou and felt plaster, 21
Apparatus: distilling, 478, 501, 521: gas generating, 94; heating, 622; hydraulic, 623
Apparent anomaly, 95, 117, 140
Apparent paradox, 43, 91
Appold's centrifugal pump, 94, 140
Aquariums, 20, 66, 70, 93, 117, 883, 406, 454, 594
Aquatic botany, 215, 260
Archery, 166
Archimedes' lever, 143
Architecture, naval, 191, 259, 285, 382
Area of safety valve, 214, 259, 260, 283
Arithmetical queries, 189, 213, 236, 262,
BACK-draught in engine, 190; back- grounds, flatted oil, 479, 525; back- wheel bicycles, 430
Bags: American cloth, 262; leather, 21;
nail, 262
Baking fireclay, 455, 499
Balance metal plates, 502; balance in
verge watches, 599; balancing locomo-
tives, 359, 453
Ball, weight of, 502, 526, 548, 551, 595,
597; balls, silver, 166, 451
Balloon, gas'for, 166, 427, 451
Bamboo nuts, 262
Band, gut. 549; band saws, brazing, 358,
381; bands, galvanic, 47, 94, 235, 262,
452, 618; bands, gutta-percha, 119
Bankal wood, 94, 117
Banner, regilding, 142
Bar, boring, 358, 547; bar, cutter, 143,
165, 285; bar micrometer, 22, 382
Barley grown from oats, 527, 549
Barometer tubes, 22, 190, 191, 235, 310,
356, 427, 452, 498; barometer, water,
479, 502, 526, 575; barometers, 431, 498,
502, 525, 526, 548, 571, 595, 621
Barrel organs, 287, 475, 523; barrels, gun,
287, 475, 574, 620
Barton's buttons, 142; Barton's feed-water
heater, 430, 476
Barytas, borate of, 22
Bat handles, 119; bats, cricket, 22, 287,
334
Bath: ebonite, 478; hot or cold, 575;
painting, 623; shower, 69; toning, 573,
574, 597, 620: baths, 118
Batteries: bichromate, 479, 527, 575, 598,
620; Bunsen's, 502, 595; Callaud's, 358,
381; connections for, 623; Daniell's, 406,
454; defective, 142, 165, 118, 382, 406;
electro-magnetic, 599: Faure's, 622;
galvanic, 69, 93, 118, 141, S11, 334, 407,
454; gilding. 118, 164, 187, 215, 335;
Halse's, 550: Leclanche, 166, 189, 213; magnetic. 406, 454, 502; manganese, 69, 93, 118, 502, 525, 550, 574, 596, 597, 598, 620, 623 plumbago bottle, 479, 502; Remak, 502: Smee's 527; sulphate of copper. 455, 501; sulphate of lead, 22, 67, 115, 142, 188; sustaining, 599, 622; zinc plate for, 20; batteries, 212, 215, 501, 571, 622
Beads, amber, 454, 477, 499 Beam, oak, 69, 93
Bearings for turning harmoniums, 94; bearings, white metal, 18
Beech, 20
Beer, 117; beer, ginger, 238, 261; beer from
herbs, 599
Bees, 262, 286, 310, 334, 335, 355, 358, 379,
381, 428, 478, 550, 573, 575, 597, 598, 620;
bee's-wax, 22, 142, 574
Belgian and French periodicals, 18
Bellows, 262; bellows for harmonium,
287, 499, 550
Bells: dumb, 215, 260; electric, 43, 69, 212
Bench, carpenter's, 45
Bennett's chuck, 21, 94, 117
Beverages, summer, 91, 117, 140
Bible herbal, 119, 164
Bichromate batteries, 479, 527, 575, 598,
620
Bicycles, 310, 356; bicycles: hack-wheel.
480; brake for, 382, 429; “Kilmarnock,"
430; painting, 21, 66; tires for, 262;
wheels for, 44, 142, 188
Billiard board, 46
Bills, mill, 21, 43, 551, 573
Binders' cutting press, 21, 44; binders
tools, 600, 622
Binding: books, 287, 334, 383, 427; magnetic
wire, 575
Birds' eggs, 143, 189
Birds, stuffed, 287
Biscuits, charcoal, 359, 405
Bisulphide of carbon prism, 262, 475
Black brasswork of microscope, 549, 596;
finishing. 575; black,
chrome, 190, 427, 451; black diamonds,
382: black glass of antimony, 430;
black japan for coachwork, 479; black,
Lancashire, 430; blacklead, 23, 190;
blackening copper coins, 21, 67; black-
ing for harness, 479, 525
Blast, fan, 21, 67, 430, 500, 502, 548; blast
gas furnace, 455, 501
Bleaching: bones, 190, 214; calico, 574,
620; ivory, 575; powder, 238, 427, 452;
wax, 45
Blocking blacklead, 190
Blood, 262, 404
Blotchy face, 66, 143
Blowpipe, 599
Blue tiles, cleaning, 69; blue for washing, 44; blue writing ink, 502, 526, 548 Board, billiard, 46; boards, cement for joining, 143, 189
Boat-building, 116, 215, 237; boat, size and price of, 93; boat-steering, 310, 380, 404; boats, paint for, 262
Boehm flute, 237, 260, 287
Bogie engines, 479
Boilers, 22, 46, 66, 67, 118, 214, 215, 237,
259, 260, 309, 333, 335, 357, 479, 525, 596;
boilers: copper, 69, 93, 263; draught in,
311, 357, 380; boiler for eggs, 550; feed-
ing, 358, 381, 405; float for, 190; heating
boiler by gas, 287, 475; incrustration of,
382, 571: kitchen, 118, 235, 478, 547, 575,
620; boiler for launch, 22, 67; multitu-
bular, 19, 66; painting, 262: plates, 359,
431; pressure of, 310, 356, 358, 379;
proving, 214; taps for, 21, 44, 66; test-
ing, 190, 259, 285.
Bones: bleaching, 190, 214; breaking, 214;
dissolved, 622; manure from, 574;
semi-transparent, 23; steaming, 478.
Books, 119, 141, 166, 189, 287, 502, 548;
books: binding, 287, 334, 383, 427; edges
of, gilding, 550, 572; keeping, 69, 93;
numbering, 18; books on printing, 358,
381; books on water-wheels, 338, 428
Bookbinders': glue, 238, 261, 427; plough,
190, 259; bookworms, 287, 379
Boomerang, the, 46, 92 Boots, kid, 215, 404, 542, 475 Borate of barytas, 22 Boring: bar, 358, 547; cylinders for model engine, 454, 477; ears, 214: glass, 119, 141, 235; model cannon, 21; wooden handles in lathe, 142, 165, 188
Botany, 167, 189, 190, 237, 310, 358; botany, aquatic, 215, 260
Bottle battery, plumbago, 479, 502; bottle
caps, fastening, 359; bottles, steaming,
358; bottle, Woulffe's, 287, 499
Bottling fruits, 335, 499
Bourne on the steam engine, 574, 598 Bow, spring, 69, 117
Boxes: iron moulding, 311; musical, 118, 164, 187, 235, 259, 311, 357
Brace bits, tempering, 454, 477, 500
Brake, bicycle, 382, 429; brake-piece, 574, 620
Brass: bronzing, 67; circle, graduating,
238, 404, 618: coins, 215, 260, 262, 527,
549, 572; flannel and, 478, 501, 547; flux
for,599; fret-cutting rolled, 94. 117; in-
struments, 238, 261, 285; mixing, 45;
moulds, 166, 213, 498; Parsons's white,
311; plates, 94, 527, 596; soldering, 335,
380; stamping sheet, 22; tubes, 502,
526; brasswork, lacquering., 190 427,
451, 623; brass work of microscope, 549,
Brazilian railways, 287, 310
Brazing: bandsaws, 358; cast-iron, 66, 118, 213; soldering or, 455, 500; spelter, 455, 478; brazing and tinning, 478 Breaking: bones, 214; weight of oak beam, 69, 93
Breakers, contact, 46, 69, 92 116, 119, 599, 621
Bream-fishing, 430, 454 476
Brewing, 69, 93, 118, 140, 212, 311, 357, 406, 618
Brick oil, 382, 406, 429; bricks and pottery,
287
Bright steel, varnish for, 575
Brillantine, 46, 68
Britannia metal, 502, 547, 599
Brittle india rubber, 287
Broad lead pencils, 45, 92
Bronchitis, 46, 92, 598, 621
Bronze: aluminium, 287, 379; Florentine,
238, 427; printing in, 550, 572
Bronzing: brass, 67; copper urns, 599,
621; model vessel, 119, 188; iron in
paint, 550; red, 454, 477
Brooch-pin, 94, 117, 140
Bucket-gearing 623
Buffer-springs, 214, 452
Building: boats, 116, 215, 237; canoes, 46,
116, 166, 189, 213; organs, 550, 573, 596;
yachus, 23, 45, 238
Bullets and flasks, 94
Bullion iron cement, 335, 380
Bunsen's battery, 502, 595
Buoyancy, 94
Burners for gas, 18
Burning: glass, 94, 430, 476, 599: lead, 622; smoke, 358, 547 Burnishing-plate, 215, 427
Burnt clay, 502, 526
Butter-making, 166, 213, 262, 594
Buttons: Barton's, 142; lace and, 190; for keyless watches, 70
Calculating: boiler pressure, 358; power
of spiral springs, 22
Calculus, differential, 599, 621
Calico: bleaching, 574, 620; waterproof-
ing, 623
Callaud's battery, 358, 381
Callipers, 455, 501
Camera, 191, 259, 309
Camphorated colza oil, 117, 164 Canada, 238
Canary, 167, 189, 213, 238, 286, 333, 427; canary cage, 69; canary, stuffed, 238
Candles, hollow, 430, 618
Cannon, 623; cannon, model, 21
Canoes, 22, 46, 238; canoes: building, 46,
116, 166, 189, 213; canvas, 18; engine
for, 287, 427; plan of, 335; strakes of, 143, 213
Cantharides, 191, 214, 237, 259
Canvas: for canoe, 18; preparing, 238,
Carving stone, 70; wooden ware, 526,
549
Case-hardening, 478, 501, 524
Cases for ferns, 28, 214, 259, 358, 381, 431,
618
Cask-cleansing, 23, 45
Cast-iron, 286, 407; cast-iron: brazing, 66,
118, 213; copper on, 166; enamelling,
46; galvanising, 166, 236, 287, 310;
malleable, 358, 428, 478, 501; re-tinning.
238, 382, 404, 427; softening, 21, 66, 115;
turning, 262, 310
Cast-steel: melting, 46; welding, 502, 548,
Cells: galvanic, 262, 286, 310; porous, 118,
285, 335
Cement, 547; cements: for aquarium, 20,
66; for bottle caps, 359; bullion iron,
335, 380; Derby, 21, 44; diamond, 93;
dentists', 599; flexible, 551; for iron
room, 43, 66; for joining boards, 143,
189; litharge and glycerine, 302; New-
ark's, 142; for paraffin lamp, 18, 20
Centrifugal: force, 190; pump, 94, 140
Ceramic manufacture, 22, 67
Chain adjustment to microscope, 526, 549;
chains, gold, 215
Chairs: arm, 16; rocking, 430
Chalk and water, 214, 333
Chamber music, 69, 93
Chandelier, glass, 526
Change wheels, 454, 500, 550, 572, 575, 620
Changing: colour of primroses, 215, 260,
309, 333; red coral to pink, 478; sur
name, 575, 620
Charcoal: biscuits, 359, 405; fine, 22;
pure, 526, 549; for rubbing down
silvered circles, 45, 68
Chart, mounting, 358, 428
Cheap gas, 215, 260, 383
Chemical, 22, 262, 286, 310, 358, 406, 455,
471; chemical solutions, 166, 404, 431,
Chests: ice, 262; tea, 94, 117
Chiming, 46; chiming clock, 119, 165, 235;
Chimney, 527, 549, 595; chimneys:
engine, 166, 427; tall, 190, 218, 236;
ventilator for, 166
China grass, 18, 22, 45, 139, 142, 188
Chisels, mill, 21
Chlorides: of gold, 550, 573, 597; of
silver, 407, 454; sodium and zinc, 621; of
tin, 100, 214, 237
Chlorine for wax-bleaching, 45
Chromatic fairy fountain, 382, 405, 453,
Chrome black, 190, 427, 451
Chrysalis, treatment of, 382, 571
Chucks: Bennett's, 21, 91, 117; curious,
190, 214; grip, 310, 334
Circle, brass, 238, 404, 618
Circular: dise, 21, 67, 95, 164; rail, 22
Cisterns: iron, 23; painting, 527, 572;
slate, 238, 404
Civil Engineers' examinations, 574; Civil
Service examinations, 599
Clams, 21
Clay: burnt, 502, 526; flre, 358, 453, 455, 499
Clean castings, 215; cleaning: barometer tubes, 191, 452, 498; blue tiles, 69; casks, 23, 45; coins, 215, 237, 285, 575, 598, 620; diatoms, 142, 188, 213, 235; flags, 167, 189, 213; furs, 622; galvanised vessels, 358, 381; gilt frames, 574; gun- barrels, 287, 475, 574, 620; piano keys and teeth, 66; prints, 502. 526; saddles, 285, 355, 452; slippers, 43; soft waste, 94; steel ornaments, 19; watches, 215, 237; white coral, 166, 335, 380
Clerk of works, 19
Cleveland ironstone, 430
Climate: South African and Australian, 214; tropical, 335
Clinton's flute, 287
Clocks: chiming, 119, 165, 235; dials for,
68, 116, 235, 407, 454, 527, 618; Dutch,
238, 452; electric, 238, 287, 551, 597;
turret, 22
Clog-iron machine, 335 Closets, earth, 44
Cloth finishing black, 575; marking cot- ton, 478, 524; stains on, 358, 381, 405; tracing, 287, 285, 309; waterproofing, 238, 260, 261, 285
Clothing iron rollers, 21
Club, Amateur Turners', 166, 189
Couch-painting 550, 619; coach-work,
black japan for, 479
Coal, compressed, 94; coals, consumption
of, 575
Cochineal, precipitating, 359, 571
Cod-liver oil, 383, 454, 477, 500, 571, 594 Code, Hogg's, 527,595
Coffey's distilling apparatus, 478, 5)
Coils 21, 44, 45, 47, 67, 68, 69, 93, 94, 95,
116, 117, 140, 142, 166, 190, 311, 382, 404,
429, 454, 478, 502, 526, 527, 549, 550, 572,
574, 575, 597, 623; coils: intensity, 22,
502, 547; medical, 45, 68, 166, 189, 310,
311, 334, 382; Rhumkorff's, 45, 68, 69,
142; Varley's patent, 20
Coin moulds, 479, 501, 525; coins, 18, 20
21, 44, 66, 67, 94, 117, 118, 119, 141, 142,
165, 187, 188, 190, 213, 214, 215, 236, 237,
238, 239, 259, 260, 261, 262, 285, 286 287,
310, 335, 357, 358, 359, 380, 381, 382, 405,
406, 430, 454, 475, 476, 478, 502, 523, 524,
527, 547, 548, 549, 550, 572, 573, 574, 575,
594, 597, 598, 619, 620, 623
Cold or hot baths, 575
Collars and cuffs, paper, 190, 237
College of Preceptors, 69; College of Sur-
geons' examination, 287, 357, 406, 454,
477
Collodion, 502, 526, 548
Colours, 69; colours: aniline, 69; cake,
597; coral, changing, 478; in cotton,
fixing, 310; for glass painting, 167;
moist, 118; primroses, 215, 260, 309, 333;
for sheepskins, 262; stamping, 19; for
ticket-writing, 526; water, 551
Coloured: object-glass, 91, 139; prints for
decoration, 166, 404, 406
Colouring: grass and leaves, 238; size,
599, 618; tiles, 382, 453; tracing paper,
285; wire, 358, 381
Columns, pressure on, 21, 67
Colza oil, 117, 164, 454, 500, 523, 571, 575
Combs india-rubber, 239; tortoise-shell,
527, 549
Comet, Encke's, 22, 44; comets, 335, 358,
380, 430
Commissions, army, 287
Compass, regulating, 623
Composition for iron and stone, 69, 116
Compound: explosive, 118; compound
microscope, 526, 549
Compressed coal, 94
Concertinas, 118, 335, 431, 499, 502
Condenser, 359, 381; condenser for medi- cal coil, 310
Conic sections, 431, 454; conical winding
drums, 262, 599
Connections
movers, 311
Constellation, 238, 261
Constructing: coils, 21, 44, 67, 69, 93, 94,
95, 116, 117, 140, 142, 262, 311; fern-
case, 23: magic lanterns, 599; ships,
575; telescopes, 46, 335
Consumption of coals, 575
Contact-breakers, 46, 69, 92, 116, 119, 599,
Contents of: cylindrical figure, 48; iron
pans, 19, 20, 66; part of sphere, 118
Continental schools, 406, 430
Contrivance for holding iron rods, 191
Conveyance of water, 599
Cooking by gas, 214, 260, 382, 428
Copal varnish, 454, 477
Copies of coins, 575
Copper: boiler, 69, 90, 263; coins, 21, 67,
118, 119, 141, 190, 213, 236, 238, 239, 259,
261, 286, 335, 357, 454, 502, 523, 527, 548,
572; on cast-iron, 166, 187, 451; die, 92;
medal, 454; metallurgy of, 68; plate printing, 94; plates, 167, 236; polish- ing, 311; sheathing. 94, 140, 359; turn- ing, 502, 526; urns, bronzing, 599, 621 Copping mule, 166
Coral: cleaning, 166, 335, 380; red and pink, 478
Corn: flour, 55; plant for, 215
Cornish: engine, 406, 453, 476; valves, 311, 356
Cotton, 190; cotton: cloth, marking, 478,
524; fixing colours in, 310; gun, 599,
621; spinning, 190, 237, 406, 478; waste
19; works on, 550
Counters or coins, 66
Court plaster, 454, 500, 523
Covering wire, 46, 215
Cow: food for, 263, 310; milking ma-
Curvature of the earth, 46
Customs' examination papers, 189, 213
Cutter bar, 143, 165. 285
Cutting frame, elliptical. 622; granite,
355, 359, 382; leather, 310, 334; polish-
ing and cutting stones, 69; press,
binders', 21, 44; screws, 45, 262, 335,
479, 525, 547, 599, 622; slots, 93, 117, 215,
237; wheels, 19, 215, 237, 262; wood and
metal, machine for, 22
Cyanides, 287, 331
Cylinder, 46, 287, 427; cylinder: friction in, 406; Geneva, 45, 139, 190, 214; model engine, 454, 477; mounting large, 93, 117, 140; oscillating, 622; pattern for, 215, 260; vacuum in, 22, 44, 167; valve- facings, 574, 620
DAILY time signal 238, 261 Damaged lens, 45 Damp wall, 380
Dandelion, extract of, 238, 285 Daniell's battery, 406, 454
Dark lines on solar spectrum, 287; dark tent, 43
Dawn and twilight, 142, 165
Decimals, 263, 310
Decoration: painting and, 191, 237; prints
for, 166, 404; of walls, 430
Deep-sea soundings, 502
Defective: battery, 142, 165, 188, 382, 406;
gutter, 46, 92: pianoforte, 19
Degrees, 311, 357, 406, 454, 477
Demagnetising steel, 476
Dentistry, 190; dentists' cement, 599
Deposit from soda crystals, 190, 451:
depositing copper on cast-iron, 166, 451
Derby cement, 21, 44
Designs for tea-trays, 358
Destroying germs, 527
Destructive soap-powders, 430
Developers, 167
Dew-cap to telescopes, 142
Diagonal planes, silvering,,191
Diagrams, indicator, 454, 499
Dials: clock, 68, 116, 235, 407, 454, 527,
618; sun, 19, 118, 164, 285, 358, 523, 547,
574, 597
Diamond cement, 93; diamond points in drills, 623; diamonds: black, 382; glaziers', 119
Diatoms, 142, 188, 213, 235, 455, 478
Dies: copper, 92; medal, 69, 117; mono-
gram, 45, 68, 92, 116; taps and dies,
455, 478, 501, 524, 599
Difference of temperature beneath trees,
335, 404
Differential calculus, 599, 621
Difficult question, a, 430, 476, 499; diffi-
culty, trigonometrical, 406, 429
Digitalin, 45
Dimensions: engine, 143, 189; model
steam engine, 21
Dirty ceiling, 22, 68, 115
Disc, circular, 21, 67, 95, 164
Discoloured: ivory statuette, 622: leather,
550, 573, 597
Disconnecting steam-pipes, 43, 66
Displacement of ships, 263, 334, 404, 599
Dispensing query, 23, 68
Dissolving: amber, 45, 115; bones, 622;
india-rubber, 599; plumbago, 238; resin,
502, 526; sheeps' horns, 262; views,
358, 407
Distilled water, 335, 358, 380
Distilling: apparatus for, 478, 501, 524;
tar, 118
Dividing-plate, 21, 44, 238, 261; division-
plate, 527, 549, 572, 618
Does boiling destroy germs? 527
Dog-muzzle, 359, 405
Domestic telegraph, 69
Doors, 23, 45
Double: motive power, 238, 310; stocks,
453, 499
Draft wanted, 166, 475
Drainage, 45
Draught in: boiler, 311, 357, 380; engine,
back, 190; furnace, 450
Drawing: crayon, 358; geometrical, 262;
isometrical, 287, 383, 455, 501; pen, 382,
Echo, 118, 141
Eclipse of moon, 430, 477
Economical gasworks, 21
Edinburgh velocipede, 262
Effects of carbonic acid, 550, 572, 596 Egg: boiler, 550; hatching machine, 94, 358, 499; eggs: birds', 143, 189; silk- worms', 430, 476
Electric: attraction, 454, 500; bells, 43,
69, 212; clocks, 238, 287, 551, 597; en-
gine, 118; locomotive, 166, 404, 427;
motor for sewing-machine, 287; time gun and ball, 526
Electrical, 142, 188, 598, 622; electrical
machines: Holtz's, 599, 622; Winter's, 47; electrical tubes, 502
Electricity: frictional, 573; gas-lighting
by, 21; generation of, 45, 68, 92; medi-
cal, 287, 475; as a remedy for epilepsy,
358, 381, 383; works on, 45, 68, 69, 116
Electro-gilding, 574; electro-magnetic
battery, 599; electro-magnetism, 311,
334; electro-plating, 118, 575; electros,
190, 455, 501, 523; electros of coins, 575; electrotypes, 46, 68; electro-typing, 262,
Emigration, 118, 262, 335, 358, 359, 405,
430, 454, 477, 547
Emulsion, pancreatic, 574
Enamel, 18, 118, 262, 475; enamelling:
cast iron, 46; slates, 622; watch cases,
549
Encke's comet, 22, 44
Engine chimney, 166, 427: engine and
boiler for launch, 22; engine indicating,
287, 523
Engineer, gas, 550, 572; engineering, 406;
engineering in Germany, 21, 67, 91; en-
gineers' examinations, 574.
Engines: back draught in, 190; bogie,
479; for canoe, 287, 427: carding, 166,
213; condensing, 215, 475, 478; Cornish,
406, 453, 476; dimensions of, 143, 189;
electric, 118; faulty, 191; galvanic, 94,
140; horizontal, 166, 430, 476; lead for,
118; model steam, 21, 143, 166, 213, 236,
454, 477; portable, 94, 140: power of,
574, 598; reversing, 478; side lever, 18;
steam, 474, 598
English; concertina, 335, 499, 502; veloci-
pede, 142, 188, 190
Engraved brass plates, 94, 527, 596
steel plate, 358, 381
Engraving: balance metal plates, 502;
on metal, 45, 68; on slate, 22, 44, 115;
on wood, 262, 527; engravings: mildew
on, 22; transferring to wood, 527, 547
Enlarging cartes-de-visite, 311
Entomological, 237, 427, 452
Epilepsy and electricity, 358, 381, 383
Equal temperament, tuning by, 431, 477
Equations, 18, 23, 45, 68, 69, 93, 117, 139
Equatoreal mounting, 142
Equisonant flute, 382, 429
Equivalents, 527
Escape of gas, 527, 596; escapement,
lever, 215, 260, 335
Etching on glass, 46, 68, 116; razors, 66
Ethereal solution, 46, 68, 164
Examination papers: Customs', 189, 213;
South Kensington, 551, 573, 597; exa-
minations: Civil Engineers', 574: Civil
Service, 599;
College of Surgeons,
287, 357, 406, 454, 477; microscopical,
311; Science and Art, 575, 597, 622;
University, 239, 261
Exhausted electrical tubes, 502
Exhibitions: Agricultural, 69; Working,
Men's, 21, 44
Expansion of steam, 599
Experience with aquariums, 70, 93
Explosive compound, 118
Extract of dandelion, 238, 285; extracting
honey from the comb, 526 549, 571, 595
Eye, the, 94; eyepieces: for Gregorian
telescope, 311; Huyghenian, 382; eyes,
weak, 455, 477, 501
Faceted gold chains, 215
Facings of cylinder valves, 574, C20; for
harmonium keys, 46
Fading of aniline colour, 69
Fairy fountain, 382, 405, 453, 499
Fan, blast, 21, 67, 430, 500, 502, 548; fans,
silent, 262
Fancy wood, inlaying, 167
Fast colour for sheepskins. 262
Fastening: emery to leather, 215, 452;
bottle caps, 359; brooch pin, 94, 117,
140; stencil colours on paper, 117, 187;
tap in kitchen boiler, 575, 620
Faulty engine, 191
Feathers, 70; feathers: dye for, 142; in
wood, 17
Feed-water heater. 430, 476, 478, 547;
feeding boilers, 358, 381, 405
Feet, tender, 550, 572, 596, 619
Felt and amadou plaster, 21 felt hats,
526, 595; for pianos, 238; skirts, seam-
less, 190
Fern cases, 23, 214, 259, 358, 381, 431, 618; fern leaf, impression of, 600, 622; ferns, 69, 93
Ferrycyanide of potass, 501 Fertilisation of stock seed, 382
Fibres: Gomutuh, 262, 286; rhea, 94; tropical, 335, 380, 618
Field of barley grown from oats, 527, 549 Figures, lay, 623
Filter, large, 119; filtered water, 479, 501, 525
Finding sizes of wheels, 310, 356
Fine charcoal, 22
Finishing black cloth, 575
Fireclay, 358, 453, 455, 499
Fires. Kapper's, 191
Firing stained glass, 66
Fish: fresh-water, 599; jelly, 479, 591
Fishermen's nets, 358, 380
Fishing, 550,578, 596, 599; fishing: bream,
430, 454, 476; lines, rods, and tackle,
166, 382, 406, 427, 428, 526, 548, 571, 618:
perch, 526, 549, 571; pike, 382, 406
Fitzroy's storm glass, 335, 357
Fixing: colour in cotton, 310; iron cramps,
524; prints on glass and cardboard, 40G,
599; tube of level, 453
Flags, cleaning, 167, 189, 213
Flames, sensitive, 359, 382, 405
Flannel and brass, 478, 501, 547
Flasks and bullets, 94
Flatted oil background, 479, 525
Food, 406, 476; food: adulterations, 382,
594; for cows, 263, 310
Forbes knitting-machine, 166
Force: centrifugal, 190; pump for boiler,
215, 237; pump for irrigation, 406, 594;
forces, natural, 623
Forcing: air currents, 623; water, 262,
452, 475
Foreign: carmine, 358; woods, 623
Forge and millwork, 167
Forks, welding, 574
Form of the earth, 143, 165
Formanising, 46
Formula for calculating power of spiral
springs, 22
Fossils, 45, 575, 598
Foucault's contact-breaker, 69
Foul air, 502, 548, 595.
Fountains: artificial, 287; fairy, 332, 405, 453, 499
Frames: elliptical cutting, 622; gilt, 574; revolving, 262, 475; umbrella, 527; vertical saw, 21, 115
French language, 573, 597, 619; method of testing oil, 406, 453; periodicals, 18
Fresh water fish, 599
Fret-cutting rolled-brass, 94, 117; fret work, polishing, 46
Friction, 550; friction in steam cylinders,
406; frictional electricity, 578
Fruits, bottling, 835, 499
Frustrum, weight of, 142, 165, 188, 213, 235
Fuel for portable engine, 94, 140
Fumes, tobacco, 117
Furnaces: draught in, 430; gas blast, 455,
501; gas muffle, 406, 430; for heating
moulds, 527; small, 164
Furniture cream, 479, 525; furniture,
printers, 237
GALENA, siliceous, 22
Galvanic cells, 262, 286, 310; bands, 47,
94, 235, 262, 452, 618; batteries, 69, 93,
118, 141, 311, 334, 407, 451; engine, 94,
140
Galvanised vessels, 358, 381; galvanising: cast-iron, 166, 236, 287, 310; nails, 451; galvanism, 335, 499
Galvanometers, 45, 68, 310, 381, 407, 454
Garden: paths, 479, 501, 525; watering,
287, 331; gardening, town, 550, 572, 596,
619
Gas: for balloon, 166, 427, 451; burners for,
18; cheap, 215, 260, 388; for cooking,
214; engineer, duties of, 550, 572;
escape of, 527, 596, furnace, blast, 455,
501; generating apparatus, 94; for heat-
ing boilers, 287, 475; for heating green-
houses, 66; holder, 551, 618; pressure
gauge, 599; joint, swivel, 622; lighting
by electricity, 21; meters, 335, 406, 454,
499, 551, 571; muffle furnace, 406, 430;
pressure-gauge, 599; stoves, 69, 93,
359; tar, 598, 621; from vegetables, 358;
weight of, 286; works, 21, 215
Gasketing, square, 118
Gates, wrought-iron, 45
Gauges: gas pressure, 599; kitchen boiler,
118, 235; steel, 358
Gearing: bucket, 623; internal, 524;
wheel, 310, 356, 383
General fishing rod, 382, 406
Generating: electricity, 45, 68, 92; gas, 94
Geneva cylinder, 45, 139, 190, 214
Geographical, 167, 189, 213, 236
Geology, 46, 92, 116, 358, 523, 547, 549, 596,
619, 621
Geometrical: drawing, 262; metaphysics,
45: geometry, 22, 67, 69, 93, 116, 622
Geranium propagation, 599
German silver, 237, 260; Germany, en-
gineering in, 21, 67, 91
Germs, destroying, 527
Gilding, 406; gilding: batteries, 118, 164,
187, 215, 335; book edges, 550, 572;
electro, 574; plateglass, 166, 213; water
406
Gilt: frames, 574; mouldings, 69
Ginger-beer, 238, 261
Girder patterns, 166, 213, 259
Glass: alabaster, 406; analysis, 623; black, 430; boring, 119, 141, 285; burning, 94, 430, 476, 599; chandelier, 526; etching on, 46, 68; fixing prints on, 406; gilding, 166, 213; object glasses, 21, 22, 44, 67, 70, 91, 139, 335, 358; paintings, 167, 335, 380; solder for, 23; stained, 22, 66, 67, 115; stencilling on, 142; water, 478, 501; writing on, 69, 93, 116 Glaze for pottery, 190, 236 Glazier's diamond, 119
Globe, celestial, 622; globes, reading from, 311, 357, 430, 477
Glue: bookbinders', 238, 261, 427; drying,
311, 357; liquid, 18; marine, 43; melt-
ing, 550, 572, 573, 596; water-resisting,
Glycerine, 45; glycerine: cement, 309:
cod-liver oil and, 383, 594; oleic acid
and, 142
Goat and grass-plot, 190, 309
Gold, 46, 68; gold: chains, 215: chloride of,
550, 573, 597: coins, 335, 357, 574, 620;
crushing, 623; fish, pond for, 574, 620;
lacquer, 383: leaf, 550, 572, 596; pre-
cipitating, 238, 452; printing in, 550,
572; recovering, 117; shells, 455 595;
Bolution, ethereal, 46, 68, 164; testing, 406, 571
Goma oil, 550
Gomutub fibre, 262, 286
Good reed or organ pipe, 622
Governors, 69, 215, 260
Graduating brass circle, 238, 404, 618 Graining stuff, 287, 334
Grand piano, Dr. Kitchener's, 94 Granite: cutting, 355, 359, 382; polishing, 45, 164
Grass: China, 18, 22, 45, 139, 142, 188: dyeing leaves, and, 233; grassplot and goat, 190, 309
Gravity battery, 358, 381
Grinding, 45, 190, 236; grinding drug
seeds, 237, 452; lenses, 69; specula, 21,
527, 623
Grindstones, emery, 214, 498
Grip chuck, 310, 334
Growing barley from oats, 527, 549
Guaiana, 262, 475, 499, 546, 547, 618
Guaicum, 215, 404
Gun, air, 238, 311, 404, 499, 550, 596: gun:
ball and time, 526; barrels, 287, 475, 574,
620; cotton, 599, 621; metal, flux for,
599; powder, 623
Gut: band, 549; fishing lines, 526, 548,
571, 618
Gutta-percha, 406, 430, 453; gutta-percha:
bands, 119; insulating properties of, 69,
93; mending, 19; shoes, 142; straps
Hard soap, 479; water, 119; white
metal, 550; white paint, 262, 452
Hardening: mill chisels, 21; mill bills, 21,
43; plaster 190
Harmonicon, 311
Harmonium: bellows, 287, 499, 550; keys,
46; reeds, 69, 382; tongue rivets, 69
tuning. 94, 407; harmoniums, 21, 69,
119, 213, 287, 311, 407, 499, 527, 550, 574 Harness, 238, 261, 404, 498; harness blacking, 479, 525
Harp, Eolian, 119, 165
Hatching machine, 94, 358, 499 Hats, felt, 526, 595
Hautboy, 454
Health and guano, 94, 177
Heater for feed-water, 430, 476, 478, 547 Heating: apparatus, 622; boilers with gas, 287. 475; greenhouse, 66, 142; house with hot air, 431; journals, 69, 116; moulds, 527; water in baths, 118 Height of object, 478, 524 Hem-stitching machine, 599
Herb beer, 599; herbal of the Bible, 119, 164
Herrings, curing, 287, 427, 475
High Peak velocipede, the, 166
Horn: dissolving, 262; fog, 214; polishing, 46; horns, 550
Horological, 574, 575, 598, 620
Horse-hair and feathers, 70, 166, 189, 213,
236; horse-power, 310, 334, 356, 502, 526,
547, 548, 550, 595, 596; horses: lameness
in, 190, 379, 451, 498; lumps on, 599
Horticultural, 527, 595
Hosiery yarn, 22
Hot air heating by, 431; hot or cold
baths. 575; hot water, warming by, 359
Incrustation: of boilers, 382, 571; on porons cells, 118, 285
Incubator, 551
India-rubber: 118, 141, 214, 237, 262, 406,
455, 547, 550, 599, 623; india-rubber:
brittle, 287; combs, 239; solution, 262,
286; tires, 262
Indian coin, 550, 572, 574, 620
Indicating, engine, 287, 523
Indicators: coils, 166, 404; diagrams of,
454, 499; electric bells, 43; steam, 46,
92
Induction coil, 69, 93, 95, 116, 117, 166, 382,
429, 549, 572, 623
Influence of the atmosphere on electric
clocks, 287
Inhalation of iron dust, 94, 117, 164
Inks: marking, 262, 286, 333: violet, 45,
92, 116; writing, 478, 501, 502, 524, 526,
548
Inlaying fancy wood, 167
Inquiries, emigrants', 190, 191, 214, 236,
335
Inscription on stone, 310, 380
Insects in water, 454
Instructor for plate-layers, 21
Instruments: brass, 238, 261, 285; mathe-
matical, 527, 549, 619; wind, 69
Insulating power of gutta-percha, 69, 93;
insulating varnish, 502; insulation, 474
Intensity coil, 22, 502, 547, 597
Internally-geared lathe, 455, 478, 524
International Working Men's Exhibition,
21, 44
Inventor of manganese battery, 118
Ireland, history of, 46, 68
Iris diaphragm, 502
Irish moss, 430, 455, 477
Iron: brazing, 68, 118, 213; bronzing, 550;
cast, 21, 115, 286, 407; cement, bullion,
335, 380; cisterns, 23; copper on, 166;
cramps in stone, 455, 501, 524; dust, 94,
117, 164; enamelling cast, 46; galvanis-
ing, 166, 236, 287, 310; hoops, angle,
115; hypophosphite of, 262; Lincolnshire,
18: malleable cast, 358, 428, 478, 501;
moulding boxes, 311; ore, 46; palisad-
ing, 166, 189, 236; pans, contents of, 19,
20, 66; patterns, varnish for, 18, 66, 91;
pig, 70, 139; prism, 166, 427; re-tinning,
238, 382, 404, 427; rods, holding, 191;
rollers, clothing, 21; room, cement for,
43, 66; rudder, 118, 212; secondary, 47;
ship, 622; ships' sheathing, 94, 140, 359;
softening, 21, 115; stains, 287, 310, 334;
stone and iron, composition for, 69, 116;
tanks and alum, 12; tincture of, 22, 44;
turning cast, 262, 310; wire, colouring,
protecting, 70;
381; wood and iron
work of sewing machine, 382, 429, 453;
irons, clog, 335; ironstone, Clevand, 430
Irrigation, 359, 405; pump for irrigation,
406, 594
Japan: black, 479; islinglass, 550
Jar: hole in, 238, 427: Leyden, 165
Jelly-fish in stone, 479, 501
Jersey tiger, 502
Jewelled holes, 428; jewellery, 215, 427
Joining: boards, cement for, 143, 189;
wire, 44, 66
Joints: rusted, 358, 381, 405; steam-pipe,
190, 259; steam-tight, 455, 478, 549, 571;
timber, 599; universal gas, 622
Journals, heating of, 69, 116
Lace and buttons, 190
Lacquer, gold, 383; lacquering, 18; lac-
quering brass work, 623
La Crosse, 430, 618
Lactarine, 21, 93
Ladder problem, 238, 286
Ladles, shaping, 215
Lamborne's velocipede, 430, 547
Lameness in horses, 190, 379, 451, 498
Lamps: cement for, 18; hydrogen, 573;
moderator, 215; smokeless, 22, 67; sub-
marine, 66, 118, 141
Lancashire black, 480
Land question, 623
Landscape painting, 166
Language, French, 573, 597, 619
Lanterns: lens for, 20, 381; magic, 19, 21,
599; polariscope, 430
Lard and sausages, 622
Large: cylinder, mounting, 93, 117, 140;
filter, 119; telescopes, 142
Lathe and its uses, 238, 261; lathework,
359; lathes, 94, 142, 311, 335, 455, 478,
501, 524, 526, 549, 551, 573, 574, 598, 599,
618, 621, 623; lathes: dividing-plate for.
238, 261; internally-geared, 478; metal
pencil for, 94; screw-cutting, 262;
screwing, 286; shaping-nuts in, 23, 45:
working, 431
Launch, engine and boiler for, 22, 67
Lay figures, 623
Lead: black, 23, 190; burning, 622; for
engine, 118; inscription on stone, 310,
380; ore, smelting, 430; pencils, 45, 92;
poisoning, 623; red, 359, 382; silver
from, 69 steel and, 358, 381; white,
262, 452; leaden coin, 119, 141
Leaf gold, 550, 572, 596; leaf of fern, 600,
622
Leather
bag-making, 21; cutting, 310,
334; discolouration of, 550, 573, 597; emery on, 215, 452; pulp, 22
Leaves, dyeing, 238
Leclanche battery, 166, 189, 213
Leg, artificial, 21
Legal point, a, 527, 549
Lemonade, 140
Length of pendulum, 623
Lenses: damaged, 45; grinding. 69; Im-
mersion, 527, 549; lantern, 20, 381
Leo's velocipede, 166
Ley's tricycle, 238
Leyden jar, 165
Lid, cabinet, 466, 476, 523 Lifebelt, 22, 44, 67
Lifting: power, 21, 44; sacks, 69, 93, 140 Light, 20; light, polarised, 311, 357, 380, 428: lighting gas by electricity, 21 Light-houses, 214, 237
Lightning conductors, 479, 501, 525 Lime: phosphate of, 335, 380; refuse, 311; limewash on masonry, 454, 477,
Lines fishing, 526, 548, 571, 618; in
solar spectrum, 287
Lining-out shafting, 454, 547
Link motion, 550, 599, 673; links and
eccentrics, 259
Liquid: bone manure, 574; glue, 18; har- ness blacking, 479
Litharge and glycerine cement, 309
Live stock, measuring, 262, 286
Loads on valves, 70
Loam-pans, 262, 499
Locks, 17
Locomotives: balancing, 359, 453; driving,
623; electric, 166, 404, 427
Logarithms, 18, 623
Long fleece wool, 238
Longitude, 118, 141, 406
Loose pulleys, 214, 259
Loss: of voice, 575; of taste, 142
Lubricator, 46; lubricator, Roscoe's, 118
Lumps on horses, 599
MACHINES: bottling soda-water, 66;
cutting wood and metal, 22; dressing
flour, 22; dressing silk, 575; embroider-
ing, 527, 572, 595, 618; hatching, 94, 358,
499; Holtz's electrical, 599, 622; iron
clog, 335; knitting, 166; magneto-
electrio, 573; making nails, 598; milking
cows, 502; moulding, 18; planing, 382,
429, 622; sewing, 238, 287, 382, 429, 430,
453, 476, 499, 502, 550, 574, 595, 596; soda-
water, 404; stitching hems. 599; testing
oil, 287, 810; washing, 45, 382, 429;
Winter's electrical, 47; wire netting,
Mackintosh seams, 21, 67
Madagascar matting, 407
Magic lanterns, 19, 21, 599
Magnet, 21, 44, 310, 499; magnets, poles
of, 45, 68
Magnetic: battery, 406, 454, 502; needle,
263, 286, 310, 477; pole, 262; wire, 575.
Magnetism, 166, 335, 382, 404, 594
Magneto-electric machine, 573
Magnitude of star, 406
Mahogany stains, 262
Making: butter, 166, 213, 262, 594; flannel
adhere to brass, 478, 501, 547; leather
bags, 21; matches, 18; nails, 598;
patterns, 118; rivets, 46; soap, 287, 475,
499; soda water, 404; soft soap, 68;
watches, 214, 358, 380, 382; wheels,
142.
Malleable cast-iron, 358, 428, 478, 501
Mallet, 119, 165
Mammoth, 455, 501
Management of bees, 550, 578, 597 Mandrels for lathes, 526
Manganese batteries, 69, 93, 118, 502, 525, 550, 574, 596, 597, 598, 620, 623
Manufactures: ceramic, 22, 67; gas from
vegetables, 358; hard soap, 479; oxygen,
238, 285; spice, 118; starch, 452
Manure, bone, 574
Map, 622; map projections, 166, 213, 406 Marine glue, solvent for, 43
Marking: boiler plates, 359; cotton cloth, 478, 524; ink, 262, 286, 333, 427
Marks, hall, 335, 357
Masonry, limewash on, 454, 477, 499
Matchmaking, 18
Material, adhesive, 69, 117
Mathematical, 406, 429, 453; mathemati- cal: instruments, 527, 549, 619; tables, 119
Mather and Platt's patent piston, 478,
Matrix moulding, label, 238, 404
Matting, 46; Madagascar matting, 407
Measuring: labourers' work, 70, 98; live
stock, 262, 286; patterns, 43; roads,
431, 477; timber 20.
Meat preserving, 94, 143
Mechanical movements, strange, 45
Mechanics, 455, 478, 501
Medal die, 69, 117; medal, copper, 454:
medal or coin, 358, 381
Medical, 623; medical: coil, 45, 68, 166,
189, 310, 311, 334, 382; electricity, 287,
475: works, 70, 93
Melting: casting and melting metal, 287,
382, 452; cast steel, 46; glue, 550, 572,
573, 596; point, 527; spelter, 455, 478
Mending: ebonite bath, 478; gutta-porcha,
19; tortoise-shell, 69
Mendoza pulley, 215
Mensuration of superficies, 502, 526, 548
Mercurial contact breaker, 69, 116
Meridian, true, 479, 547
Metal: bath, painting, 623; engraving on,
45, 68; hard white, 550; melting, 287,
382, 452; pencil for lathe, 94; plates,
380;
soldering, 311,
balance, 502;
soldering, soft, 311; twisting, 189, 259,
285; metal and wood-cutting machine,
22; metals, weight of, 551, 619
Metallurgy, 18; metallurgy of copper, 63
Metaphysics, geometrical, 45
Meters: gas, 335, 406, 454, 499, 551, 571;
water, 166, 475
Method of testing oil, French, 406, 453 Methylated spirit, 454, 477, 499, 528, 549, 571, 572, 594, 596, 618 Metrical Act, 166, 335, 380 Metronome, 69, 164 Micrometer, bar, 22, 382
Microscope, Perry's 335; microscopical, 21, 70, 117, 119, 143, 165, 311, 357, 380, 428, 430, 454, 455, 476, 478, 479, 525, 526, 549, 574, 596
Mildew on engravings, 22
Milk: albumen in, 21; testing, 43; milk- ing cows, machine for, 502
Mill: bills, 21, 43, 551, 573; chisels, hardening, 21; mill and forge work, 167; model mill, 430; portable mill, 550, 596
Millers, questions for, 594; millstones,
406
Mirror, mounting plane, 527, 549
Mitrailleur, 455, 501
Moss: Irish, 430, 455, 477
Moths: killing, 358, 381, 428; pepper,
117, 139, 141
Motion of the earth, 621; link, 550, 599,
623; rotatory, 479; of water, 18, 45, 92,
116, 132
Motive power: double, 238, 310; for lathe,
623; for sewing machine,, 287; for veloci-
pede, 479
Moulding: boxes, iron, 311; label matrix,
288, 404; machine, 18
Moulds, 45; moulds: brass, 166, 213, 498
of coins, 479, 501, 525; heating, 527
Mount, picture, 238; mounting: chart
358, 428; equatoreal, 142; large cylinder
93, 117, 140; microscopic objects, 430
454, 476, 479, 525; plane mirror, 527
Mourning paper, 502
Mouthpiece, amber, 550
Movement, strange mechanical, 45
Muffle furnace, gas, 406, 430
Mule, copping, 166
Multitubular boiler, 19, 66
Mushet's steel, 237
Mushroom culture, 383, 429, 502, 526
Musical, 623; musical: box, 118, 164, 235, 259, 311, 357; terms, 311, 334 Music chamber, 69, 93; music publishi 94, 140
Muslin dress, 287, 475, 594
Muzzle for dogs, 359, 405
Myrabolans, 526, 548, 571
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