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Bellows 362 373; Ancient use of 354; 355; Assay furnace 226; Mine ventilation with 207- BENI HASSEN, INSCRIPTIONS AT Berg-geel BERGMEISTER ... 33; 81; 95; 77; Deals with forfeited shares Jurors BERGMEISTER'S CLERK Bergzinober (see Quicksilver). BERMIUS (BERMIUM), MT. (see Mt. Bermius). BISMUTH 433; 354; 220 Assaying ores of 247 Indication of silver 116 Minerals 2; 111 Smelting of 433437; 400 The " roof of silver " 117; 433 Zaffre 112 BITUMEN. Ancient knowledge of 220 ; 581582 ; 354 Colour of fumes 235 Dead Sea 33 Distillation 581 From springs 582 Harmful to metals 273 Roasting from ore 273; 276; 351 Solidified juice 1 Bituminosa cadmia (see Cadmia bituminosa). BLAST, REGULATION OF 380; 386 BLASTING 119 BLENDE 113 BLEYBERG 239 BLOODSTONE Ill; 2 BLOOM 420 niutstein (see Ironstone). BOHEMIA. Antimony sulphide Pestilential vapours 216 Sifting ore in 293 Smelting 384 BONE-ASH 230; 466 BORAX 560; 221; 110 Method of manufacture 560 Use in gold smelting 444; 457; 464 Use in assaying 245; 246 BORNITE 109 BOUNDARY STONES 87; 129 BOUNDARIES 77; 147 BOWLS FOR ALLUVIAL WASHING BRASS Ancient methods of making 404405; 112 PAGE BREAKING ORE 117 119 BRICK DUST. Used in cementation 454; 454 Used in making nitric acid 440 BRINE (see also Salt). Evaporation of 547 548 BRITAIN. Lead-silver smelting 392 Miners mentioned by Pliny 83 Tin trade 411413 BRITISH MUSEUM. Egyptian gold-mining 399 Egyptian lead 390 Egyptian steel 402 BROMYRITE 109 BRONZE. Historical notes 411; 402; 354 BRONZE AGE 365; 402; 411 BRYLE (Outcrop) 101 BUCKETS, FOR HOISTING ORE 153 154; 157 BUDDLE 281; 282; 267 Divided 302 303 Simple 300302; 312315 BULLION, POURING INTO BARS 382 BURNING ORE 231; 273; 267 BURNT ALUM 233; 565; 221 Cadmia (see also Zinc, Pompholyx, and Cobalt) 542; 542; 112113 Ancient ore of brass 410 From dust chambers 394 From liquation 539; 542 From roasting matte 349 Poisonous to miners 214; 214 Roasting 276 Smel ting for gold and silver 41 Cadmia bituminosa 276; 273; 113 Cadmia fornacis (see Furnace Accre- tions). Cadmia fossilis (see Calamine and Blende). Cadmia metallica (see also Cobalt) 403; 113 Caeruleum (see Azure). CAKES OF MELTED PYRITES 379; 222 A flux 234 Roasting of 349351 Use in smelting 379 CALAEM (see also Zinc) 409 CALAMINE 112; 113; 409; *10 CALCITE 114 CALCSPAR 116; 114 Caldarium COPPER 512; 542; 404; 511 CALDRONS, FOR EVAPORATING SALTS 548 Calmei (see Calamine). CAMEROS. Zinc found at 409 CAMPHOR 238; 238; 221 CAM-SHAFT 282 283; 267 Canutes (Ore Channels) 43; 46; 47 Ore shoots in 117 CANNON 11 CARDINAL POINTS 57; 58 CARNELIAN 114 Carneol (see Carnelian). Carni 390 Cupellation 483 Smelting of lead ores 390 CARPATHIAN MOUNTAINS. Liquation practice in 540; 544 Sieves 289 Stamp-milling 319 CARTHAGE. Mines in Spain 27 CASTULO (Cazlona) 42 CEMENTATION (see also Parting Gold from Silver) 453457; 453; 458 Centumpondium 616; 242; 509 Scale of weights 260261 CERAGURITE 109 Cerussa (see White-lead). CERUSSITE CHAIN PUMPS 171175 CHALCANTHITE Chalcanthum (see also Vitriol) 109; 572
 * 324; 334; 336
 * 354; 2