INDEX TO ILLUSTRATIONS. 



PAGE 



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; 390; 417 

 FRAMES (OR SLUICES) FOR WASHING 



ORE OR ALLUVIAL 



322324; 326329; 331333 



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 



Enriching copper bottoms 510 



Glass-making 587; 588; 589; 591 



Iron smelting 422; 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 427432 



Reaning silver 485; 486; 489 



Roasting 276 



Steel making 425 



Tin burning 349 



Tin smelting 41 5 



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 



Interuenium 50 



IRON FORK FOR METAL 387 



IRON HOOK FOR ASSAYING 240 



IRON SMELTING 422; 424 



IRON TOOLS 150 



JIGGING SIEVE . 



LADDERS 



LADLE FOR METAL 



LEAD MOULD FOR ASSAYING 



LIQUATION CAKES. 



Dried 



LIQUATION CAKES, EXHAUSTED 



LIQUATION FURNACES 



517; 519; 525; 527; 



LYE 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 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 



448 

 142 A 



453 

 455 

 446 

 449 

 152 



143 

 146 



174; 175 



185; 189 



194; 195 



188; 137 



639 



