PAGE
Athens.
Silver mines (see Mt. Laurion,
Mines of).
Atramentum Sutorium (see also Vitriol) 572; 110
A tramenium Sutorium candidum ...... 113
A tramentum Sutorium rubrum......... 274 ; 274
Aurichalcum............................... 409; 404
Auripigmentum (see Orpiment).
Azure ................................. 1; 109; 220
An indication of copper............. 116
An indication of gold ................ 117
Colour of flame ........................ 235
Azurite ........................... 109; 220; 402
Babel, Tower of ...................... 582
Babylonia.
Bitumen in.............................. 682
Use of lead.............................. 391
Babytace.
Gold buried by inhabitants......... 9; 15
Baebelo.................................... 42; 42
Balances......................... 224; 264—265
Barite ..................................... 115
Barmaster, of High Peak.......... 77
Bars, for Furnace Work .......... 382
Baskets, for Hoisting ............... 153
Batea ....................................... 156
Beer ....................................... 230; 220
Bell, to call Workmen ............ 100
Bellows........................... 362—373; 419
Ancient use of.................. 354; 355; 362
Assay furnace ......................... 226; 245
Mine ventilation with ............... 207—210
Beni Hassen, Inscriptions at...... 586
Berg-geel .................................... 111
Bergmeister... 33; 81; 95; 77; 77; 78
Deals with forfeited shares ......... 92—93
Jurors .................................... 96
Bergmeister's Clerk.................. 95; 78
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..................... 433—437; 400
The "roof of silver " ................ 117; 433
Zaffre..................................... 112
Bitumen.
Ancient knowledge of 220 ; 581—582 ; 354
Colour of fumes........................ 235
Dead Sea ............................... 33
Distillation .............................. 581
From springs ........................... 582
Harmful to metàls ................... 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 .............................. 111; 2
Bloom....................................... 420
Blutstein (see Ironstone).
Bohemia.
Antimony sulphide .................. 428
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......
..................... 322; 324; 334; 336
Brass.................................... 410; 354; 2
Ancient methods of making 404—405; 112