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[blocks in formation]

INDEX

effects of impurities, 67, 71, 72

for calico printing rollers, 368, 370

heat by combination, 72

meaning of, 80
melting point of, 66
metals most used, 68
mixtures, 43
nature of, 39, 66-74
preparation of, 64
remelting of, 66, 67
specific gravity of, 41
testing of, 68
uniformity of, 67

Alumina, 52, 58

[blocks in formation]
[blocks in formation]

Anatomical preparations, alloy for, 273

Anderson, 78, 113

Annealing, 141

Antifriction, 230

Antimony, 1, 7, 27, 225

oxide, 27
sulphide, 27
-tin alloys, 260
Aqua regia, 308
Arbor Dianæ, 286
Argent-Ruolz, 330
Argentan, 235, 247
Argiroide, 235
Argol, 55, 155
Arguerite, 286
Arguzoid, 247

Arsenic 1, 4, 7, 28, 277
Arsenious acid, 28, 319

Ashberry metal, 263
Assay offices, 341

Atomic proportion, 211
volume, 71

weight, 9-11
Aurichalcum, 2

Australian coinage, 293

[blocks in formation]
[blocks in formation]

commercial, 81

containing iron, 112

crystallisation of, 85

definition of, 80

direct method, 81

ductility of, 103
fracture of, 84, 88
furnace, 128
impurities in, 84

loss in melting, 83

malleability of, 88, 103
manufacture of, 124, 127

melting-point of, 83

properties of, 81, 100
sheet, 103

solders, 120

strips, 142

tensile strength of, 86, 88

varieties of, 87
white, 119
wire, 103-105

Brassfounders' pots, 143

Braziers' solder, 85, 120
Brazing, 223

Bright gold, 294
Britannia metal, 261
British silver coin, 327
Brittle gold, 309

Bronze, 2, 156, 162, 166
aluminium, 212
ancient, 157
and iron, 159
lead, 159

phosphorus, 159
zinc, 158
casting of, 232

Chinese, 224

colour of, 165
composition of, 157

for bearings, etc., 190
Japanese, 224-228

manganese, 201

modern, 158

phosphor, 180, 192
properties of, 158, 164
silicon, 199

Brown gold, 291
Brustlein, 360

Burin, 212

Burnt iron, 29

sand, 146
Button metal, 253

CADMIA, 1
Cadmium, 7, 36

alloys, 271

[blocks in formation]

Coloured gold, 294, 300
solders, 311, 312

Colouring gold, 312
Columnar, 6

Combustion, 13

Common salt, 54, 66, 317
Composition, 296
Conchoidal, 6

Condensation of fume, 136
Conductivity, 200
Cooke, 320

Cooper's gold, 348
mirror metal, 348

pen metal, 348

Cope, 187
Copper, 1, 7, 22
alloys, 70, 75
amalgam, 283

and antimony, 23, 79
arsenic, 23, 78
bismuth, 79
cobalt, 79
iron, 79
lead, 23, 79
nickel, 79
phosphorus, 23, 78
silicon, 23, 78
best selected, 105

blast furnace bears, 359
casting of, 75

group, 7

-nickel alloys, 246
properties of, 22, 76

-tin alloys, 2, 156, 163, 166
varieties of, 23

-zinc alloys, 81, 83, 120
properties of, 88, 98
table of, 87, 101, 102
Thurston's table, 90

Core, 151, 185, 216

bearing, 151

sand, 146
stocks, 151

stove, 144

Corinthian copper, 2

Corrosive sublimate, 320

Corundum, 219

Cowles's aluminium bronze, 215-217

Electric Smelting Co., 366

Cream of tartar, 55

Crucible furnace, 127

Crucibles, 59

brasquing of, 61

testing of, 60

composition of, 60

Coin, American, 329

Cryolite, 37

Coins, 330

Cold-short, 29

Colour pot, 314

Crystalline, 6, 245, 251

Cupro-ferro-manganese, 204

Cupro-manganese, 202

[blocks in formation]
[blocks in formation]
[blocks in formation]

IMITATION Silver alloys, 338
Impure gold, 309
Ingates, 150
Ingot casting, 143
moulds, 305

Iridescent, 251
Iron, 1, 7, 28

and aluminium, 365

arsenic, 31

carbon, 32

chromium, 359
cobalt, 358

copper, 363
manganese, 352

molybdenum, 359

nickel, 355

phosphorus, 31

silicon, 31

steel alloys, 352

Steel Institute, 355

sulphur, 30

tin, 364

titanium, 361

tungsten, 362

zinc, 365

group, 7

Gun-metal, 178, 180, 195, 210

Guthrie, 45

[blocks in formation]

oxides of, 30

pure, 29

pyrites, 57

Ironier's bronze, 284

[blocks in formation]
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