Book 12 — INDEX TO ILLUSTRATIONS.
Herbert Hoover translation
Alum Making, 571
Amalgamation Mill, 299
Ampulla, 442; 446
Argonauts, 330
Assay Balances (see Balances).
Assay Crucible, 229
Assay Furnaces. Crucible, 227 Muffle, 223; 224
Balances, 265
Baling Water, 199
Bars, for Furnace Work, 377; 389
Batea, 157
Bellows. For blast furnaces, 359; 365; 368; 370; 372 For mine ventilation, 208; 209; 211 For tin furnace, 419
Bismuth Smelting, 434; 435; 436; 437
Bitumen Making, 582
Bitumen Spring, 583
Bowls for Alluvial Washing (see also Batea), 336
Buckets. For hoisting ore, 154 For hoisting water, 158
Buddle, 301; 302; 314; 315
Building Plan for Refinery, 493
Building Plan for Smelter, 361
Chain Pumps, 173; 174; 175
Chrysocolla Making, 585
Circular Fire (see Ring-Fire).
Clay Washing, 374; 375
Compass, 57; 59; 142; 147
Copper Mould for Assaying, 250
Copper Refining, 534; 537
Copper Refining Furnace, 532
Crane. For cupellation furnace, 479 For liquation cakes, 514
Crowbars, 152
Cupel, 229 Mould, 231
Cupellation Furnace, 468; 470; 474 At Freiberg, 481 In Poland, 482
Cutting Metal, 269
Descent into Mines, 213
Dipping-pots, 385; 387; 389; 393; 415; 417
Distillation (see Nitric Acid and Quicksilver).
Divining Rod, 40
Dogs Packing Ore, 168
Drifts, 105
Drying Furnace for Liquation, 525; 527; 528
Dust Chambers, 395; 417
Fans, Ventilation, 204; 205; 206; 207
Fire-Buckets, 377
Fire Pump, 377
Fire-Setting, 120
Forehearth, 357; 358; 383; 385; 387; 389; 417
Frames (or Sluices) for Washing Ore or Alluvial, 322-324; 326-329; 331-333
Furnaces. Assaying (see Assay Furnaces). Blast, 357; 358; 373; 377; 383; 385; 387; 389; 395; 419; 424; 508 Copper refining, 537 Cupellation, 468; 470; 474; 481; 482 Distilling sulphur, 277 Enriching copper bottoms, 510 Glass-making, 587; 588; 589; 591 Iron smelting, 422; 424 Lead smelting (see also Furnaces, blast), 393 Liquation, 517; 519; 525; 527; 528 Nitric acid making, 442 Nitric acid parting, 446 Parting precious metals with antimony, 453 Ditto cementation, 455 Quicksilver distillation, 427-432 Refining silver, 485; 486; 489 Roasting, 276 Steel making, 425 Tin burning, 349 Tin smelting, 415
Gad, 150
Glass Making, 591 Furnaces, 587; 588; 589
Ground Sluicing, 337; 340; 343; 346; 347
Hammers, 151 With water-power, 422; 425
Heap Roasting, 275; 278
Hearths. For bismuth smelting, 436; 437 For heating copper cakes, 504 For melting lead, 393 For melting lead cakes, 499 For refining tin, 418 For roasting, 277
Hemicycle, 138
Hoe, 152
Intervenium, 50
Iron Fork for Metal, 387
Iron Hook for Assaying, 240
Iron Smelting, 422; 424
Iron Tools, 150
Jigging Sieve, 311
Ladders, 213
Ladle for Metal, 383
Lead Mould for Assaying, 240
Liquation Cakes. Dried, 530
Liquation Cakes, Exhausted, 522
Liquation Furnaces, 517; 519; 525; 527; 528
Lye Making, 557
Matte Roasting, 350; 351
Meers, Shape of, 79; 80; 86; 87; 89
Mills for Grinding Ore, 294; 296
Muffle Furnaces, 223; 489
Muffles, 228
Nitric Acid Making, 442
Nitrum Pits, 559
Operculum, 446
Orbis, 142A
Parting Precious Metals. With antimony, 453 By cementation, 455 With nitric acid, 446 With sulphur, 449
Picks, 152
Plummet level. Standing, 143 Suspended, 146
Pumps. Chain, 173; 174; 175 Duplex suction, 180; 185; 189 Rag and chain, 191; 193; 194; 195 Suction, 177; 178; 179; 182; 183; 187
Quicksilver Distillation, 427; 429; 430; 431; 432
Rag and Chain Pumps, 191; 193; 194; 195; 197
Rammers for Fire-Clay, 377; 383
Ring-Fire, for Parting with Sulphur, 449
Roasting (see also Heap and Stall Roasting), 278; 350; 351; 274; 275; 276
Rosette Copper Making, 537
Salt. Boiling, 549; 554; 555 Caldron, 551; 553 Evaporated on faggots, 556 Pans, 547 Wells, 549
Saltpetre Making, 563
Saxon Lead Furnace, 393
Scorifier, 229
Seams in the Rocks, 54; 55; 56; 60; 72
Shafts. Inclined, 104 Timbering, 123 Vertical, 103; 105
Shears for Cutting Metal, 269
Shield for Muffle Furnace, 241
Sifting Ore, 287; 288; 289; 291; 292; 293; 311; 342
Silver. Cakes, Cleansing of, 476; 488 Refining, 484; 485; 486; 489
Sleigh for Ore, 168
Sluicing Tin, 337; 338; 340; 343
Smelter, Plan of Building, 361
Soda Making, 561
Sorting Ore, 268; 270
Spalling Ore, 270; 271; 272
Stall Roasting. Matte, 350; 351 Ore, 274; 276
Stamp-mill, 284; 286; 287; 299; 313; 320; 321; 373 For breaking copper cakes, 501
Stamps, 285
Steel Furnace, 425
Strake, 302; 303; 305; 306; 307; 341; 342; 345 Canvas, 308; 309; 317; 321; 329
Streaming for Tin, 318
Stringers. Associated, 71 Fibra dilatata, 71 Fibra incumbens, 71 Oblique, 71 Transverse, 71
Surveying. Rods, 138A Shafts and Tunnels, 131 Triangles, 133; 134; 135; 136; 137; 139; 140
Suction Pumps (see Pumps).
Sulphur Making, 579; 581
Tap-holes in Furnaces, 389
Tapping-bar, 383; 385
"Tests" for Refining Silver, 484; 485
Timbering. Shafts, 123 Tunnels, 125
Tin. Bars, 415 Burning, 349 Refining, 418 Smelting, 415; 419
Touch-needles, 255
Trays for Washing Alluvial, 334
Tread Whim, 163
Trough, 159 For washing alluvial, 335; 348
Trucks, 156
Tunnels, 103; 104; 105; 120 Timbering, 125
Veins. Barren, 73 Beginning of, 69 Cavernous, 73 Curved, 61 End of, 69 Head of, 69 Horizontal, 61 Intersections of, 64; 65; 66; 67; 68 Solid, 73 Strike of, 62; 63
Vena cumulata, 49; 70
Vena dilatata, 45; 50; 54; 60; 61; 68; 69
Vena profunda, 45; 50; 53; 61; 62; 63; 64; 68
Ventilating with Damp Cloth (see also Bellows, Fans, and Windsails), 212
Vitriol Making, 567; 574; 575; 576; 577
Wagons, for Hauling Ore, 170
Washing Ore (see Sifting Ore).
Water Tanks, under Furnaces, 358
Wedges, 150
Weights, for Assay Balances, 262
Westphalian Lead Smelting, 393
Wheelbarrows, 155
Whims. Horse, 165; 167 Tread, 163
Windlasses, 161; 162; 171
Winds, Direction of, 59
Windsails for Ventilation, 201; 202; 203