640 



INDEX TO ILLUSTRATIONS. 



QUICKSILVER DISTILLATION. 



427; 429; 430; 431; 432 



RAG AND CHAIN PUMPS 



191; 193; 194; 195; 197 



RAMMERS FOR FIRE-CLAY 377; 383 



RING-FIRE, FOR PARTING WITH 



SULPHUR 449 



ROASTING (see also Heap and Stall 



Roasting) 



278; 350; 351; 274; 275; 276 



ROSETTE COPPER MAKING 537 



SALT. 



Boiling 549; 554; 555 



Caldron 551; 553 



Evaporated on faggots 558 



Pans 547 



Wells 549 



SALTPETRE MAKING 563 



SAXON LEAD FURNACE 393 



SCORIFIER 229 



SEAMS IN THE ROCKS... 54; 55; 56; 60; 72 

 SHAFTS. 



Inclined 104 



Timbering 123 



Vertical 103; 105 



SHEARS FOR CUTTING METAL 269 



SHIELD FOR MUFFLE FURNACE 241 



SIFTING ORE 287; 288; 289; 291; 



292; 293; 311; 342 



SILVER. 



Cakes, Cleansing of 476; 488 



Refining 484; 485; 486; 489 



SLEIGH FOR ORE 168 



SLUICING TIN 337; 338; 340; 343 



SMELTER, PLAN OF BUILDING 361 



SODA MAKING 561 



SORTING ORE 268; 270 



SPALUNG ORE 270; 271; 272 



STALL ROASTING. 



Matte 350; 351 



Ore 274; 276 



STAMP-MILL 284; 286; 287; 299; 



313; 320; 321; 373 



For breaking copper cakes 501 



STAMPS 285 



STEEL FURNACE 425 



STRAKE 302; 303; 305; 306; 



307; 341; 342; 345 



Canvas 308; 309; 317; 321; 329 



STREAMING FOR TIN 318 



STRINGERS. 



Associated 71 



Fibra dilatata 71 



Fibra incumbens 71 



Oblique 



Transverse 71 



SURVEYING. 



Rods 138A 



SURVEYING. 



Shafts and Tunnels 131 



Triangles 133; 134; 135; 



136; 137; 139; 140 



SUCTION PUMPS (see Pumps). 



SULPHUR MAKING 579; 581 



TAP-HOLES IN FURNACES 389 



TAPPING-BAR 383; 385 



" TESTS " FOR REFINING SILVER ... 384; 485 

 TIMBERING. 



Shafts 123 



Tunnels 125 



TIN. 



Bars 415 



Burning 349 



Refining 418 



Smelting 415; 419 



TOUCH-NEEDLES 255 



TRAYS FOR WASHING ALLUVIAL 334 



TREAD WHIM 163 



TROUGH 159 



For washing alluvial 335; 348 



TRUCKS 156 



TUNNELS 103; 104; 105; 120 



Timbering 125 



VEINS. 



Barren 73 



Beginning of 69 



Cavernous 73 



Curved 61 



End of 69 



Head of 69 



Horizontal 61 



Intersections of 64; 65; 66; 67; 68 



Solid 73 



Strike of 62; 63 



Vena cumulata 49; 70 



Vena dilatata 45 ; 50 ; 54 ; 60 ; 61 ; 68 ; 69 



Vena profunda 



... 45; 50; 53; 61; 62; 63; 64; 68 

 VENTILATING WITH DAMP CLOTH (see 

 also Bellows, Fans, and Wind- 

 sails) 212 



VITRIOL MAKING 567 ; 574 ; 575 ; 576 ; 577 



WAGONS, FOR HAULING ORE 170 



WASHING ORE (see Sifting Ore). 



WATER TANKS, UNDER FURNACES ... 358 



WEDGES ..; 150 



WEIGHTS, FOR ASSAY BALANCES 262 



WESTPHALIAN LEAD SMF.LTING 393 



WHEELBARROWS 155 



WHIMS. 



Horse 165; 167 



Tread 163 



WINDLASSES 161; 162; 171 



WINDS, DIRECTION OF 59 



WlNDSAILS FOR VENTILATION 201 5 202 J 203 



