INDEX TO ILLUSTRATIONS. 



PACiB 



Alum Making S71 



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, KOR Furnace Work 377; 389 



Batea 157 



Bellows. 



For blast furnaces 369 ; 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 



u/50 Batea) 336 



Buckets. 



For hoisting ore 154 



For hoisting water 158 



Huddle 301; 302; 814; 815 



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 874; 375 



Compass 67; 59; 142; 147 



Copper Mould for Assaying 250 



Copper Refining 534; 537 



Copper Refining Furnace 632 



Crane. 



For cupellation fumac« 479 



For liquation cakes 614 



Crowbars 162 



Cupel 829 



Mould 231 



Cupellation Furnack 468; 470; 474 



At Freiberg 481 



In Poland 481 



Cutting Metal 269 



Descent into Mines 



DiPPiNG-poTs 385; 387; 389; 393; 415; 

 Distillation {see Nitric Acid and 



Quicksilver). 



Divining Rod 



Dogs Packing Ore 



Drifts 



Drying Furnace for Liquation ... 



525; 527; 



Dust Chambers 395 ; 



213 

 417 



40 

 168 

 106 



528 

 417 



Fans, Ventilation 204; 205; 206; 207 



Fire-Buckets 377 



Fire Pump 377 



Fire-Setting 120 



Forehearth 



357; 358; 383; 385; 387; 390; 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; 390; 395; 419; 424; 508 



Copper refining 537 



Cupellation 468; 470; 474; 481; 482 



Distilling sulphur 277 



Knriching copper bottoms 510 



Glass-making 687; 588; 589; 591 



Iron smelting 422; 424 



Furnaces. 



Lead smelting {see mlso Furnaces, 

 blast) 



Liquation 517; 519; 625; 



Nitric acid making 



Nitric acid parting 



Parting precious metals with anti- 

 mony 



Ditto cementation 



Quicksilver distillation 



Refining silver 485; 



Roasting 



Steel making 



Tin burning 



Tin smelting 



893 



527; 528 

 442 



463 

 466 



427—432 

 486; 489 

 276 

 426 

 349 

 415 



Gad 150 



Glass Making 591 



Furnaces 587; 588; 589 



Ground Sluicing 337 ; 340 ; 343 ; 346 ; 347 



Hammers 161 



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 cakea 499 



For refining tin 418 



For roasting 277 



Hemicyclk 138 



Hoe I5t 



Intervenium 



Iron Fork for Metal 



Iron Hook for Assaying 



Iron Smelting 



Iron Tools 



50 



387 



240 



422; 424 



150 



Jigging Sieve . 



Ladders 



Ladle for Metal 



Lead Mould for Assaying 



Liquation Cakes. 



Dried 



Liquation Cakes, TTxhausted 



Liquation Furnaces 



617; 519; 626; 627; 



Lye Making 



811 



218 

 883 



240 



530 

 522 



688 

 667 



Matte Roasting 350; 351 



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



Mills FOR Grinding Orz 294; 296 



Muffle Furnaces 223; 489 



Muffles 228 



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 



14SA 



639 



