INDEX TO ILLUSTRATIONS. 



PAGE 



Alum Making 571 



Amalgamation Mill 299 



Ampulla 442; 446 



Argonauts 330 



Assay Balances {see Balances). 



Assay Crucible 229 



Assay i'uRy 'ces. 



Crucible 227 



Muffle 223; 224 



Balances 265 



Baling Water 199 



Bars, FOR Furnace Work 377; 389 



Batea 157 



Bellows. 



For blast Jurnaces 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 



a/so Batea) 336 



Buckets. 



For hoisting ore 154 



For hoisting water 158 



Buddle 301; 302; 314; 315 



Building Plan for Refinery 493 



BuiLniNG Plan for Smelter 361 



Chain Pumps 173; 174; 175 



CArysocoWa 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 



Dipping-pots 385; 387; 389; 393; 415; 

 Distillation {see Nitric Acid and 



Quid; silver). 



Divining Rod 



Dogs Packing Ore 



Drifts 



Drying Furnace for Liquation ... 



525; 527; 



Dust Chambers 395 ; 



213 

 417 



40 

 168 

 105 



528 

 417 



Fans, Ventilation 204; 205; 



Fire-Buckets 



Fire Pump 



Fire-Setting 



Forehearth 



357; 358; 383; 385; 387; 

 Frames (or Sluices) for Washing 



Ore or Alluvial 



322—324; 326—329; 



Furnaces. 



AsS-aying {see ."Vssay Furnaces). 



Blast 357; 358; 373; 377; 



387; 390; 395; 419; 



Copper refining 



Cupellation 468; 470; 474; 



Distilling sulphur 



Enriching copper bottoms 



Glass-making 587; 588; 



Iron smelting 



206; 207 

 377 

 377 

 120 



390; 417 

 331-333 



383 ; 385 ; 

 424; 508 



481 



589; 

 422: 



537 

 482 

 277 

 510 

 591 

 424 



Furnaces. 



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 anti- 

 mony 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 



Iron Fork for Metal 



Iron Hook for Assaying 



Iron Smelting 



Iron Tools 



5« 

 387 

 246 



422; 424 

 150 



Jigging Sieve . 



Ladders 



Ladle for Metal 



Lead Mould for Assaying 



Liquation Cakes. 



Dried 



Liquation Cakes, Exhausted 



Liquation Furnaces 



517; 519; 525; 527; 



LVE Making 



311 



213 

 383 

 240 



530 

 522 



528 

 557 



Matte Roasting 350; 351 



Meers, Shape of 79; 80; 86; 87 ; 89 



Mills FOR Grinding Ore 294; 296 



Muffle Furnaces 223; 489 



Muffles 22t 



Nitric Acid Making . 

 Nitrum Pits 



Operculum 

 Orbis 



Parting Precious Metals. 



With antimony 



By cementation 



With nitric acid 



With sulphur 



Picks 



Plummet Level. 



Standing 



Suspended 



Pumps. 



Chain 173; 



Duplex suction 180; 



Rag and chain 191; 193; 



Suction... 177; 178; 179; 182; 



442 

 559 



142a 



639 



