640
INDEX TO ILLUSTRATIONS
Quicksilver Distillation.
. 427; 429; 430
PAGE
431 ; 432
Kag and Chain Pumps.
. 191; 193; 194; 195; 197
Rammers for Fire-clay . 377; 383
Ring-Fire, for Parting with
Sulphur ...1. 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. 556
Pans . 547
Wells. 549
Saltpetre Making . 563
Saxon Lead Furnace . 393
Scorifier. 229
Seams in the Rocks... 54; 55; 56; 60; 72Shafts.
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;
439
Sleigh for Ore .
168
Sluicing Tin .
. 337;
338
; 340;
343
Smelter, Plan of Building .
361
Soda Making .
561
Sorting Ore .
. 268;
270
Spalling Orf .
270
I 271;
272
Stall Roasting.
Matte .
Ore .
Stamp-mill . 284;
. 313
For breaking copper cakes
Stamps .
Steel Furnace .
Strake. 302;
. 307
Canvas. 308; 309
Streaming for Tin .
. 350; 351
. 274; 276
286; 287; 299;; 320; 321; 373
. 501
. 285
. 425
303; 305; 306;; 341 ; 342; 345; 317; 321; 329. 318
Stringers.
Associated . 71
Fibra dilataia . 71
Fibra incumbens . 71
Oblique. 71
Transverse . 71
Surveying.
Rods
138a
PAGE
Surveying.
Shafts and Tunnels . 131
illtuigira. Idd, 130,
. 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 ; 485Timbering.
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 (seealso 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 Smelting . 393
Wheelbarrows . 155
Whims.
Horse . 165; 167
Tread . 163
Windlasses . 161; 162; 171
Winds, Direction of . 59
Windsails for Ventilation 201 ; 202 ; 203