1
VENETIAN GLASS.
In cupellation
474
VENICE.
Glass-factories
592
Parting with nitric acid
461
Scale of weights
264
VENTILATION
200—212; 121
With bellows
207—210
With fans
203—207
With linen cloths
210
With windsails
200—203
VERDIGRIS
440; 1; 110; 222
In cementation
454; 457
Indication of ore
116
In making nitric acid
440
In parting gold from copper
464
VERMILION.
Adulteration with red-lead
232
Poisonous
215
VILLACENSE LEAD
239; 239
VINEGAR.
Use in breaking rocks
119; 118
Use in cleansing quicksilver
426
Use in roasting matte
349
Use in softening ore
231
Virgula divina (see Divining Rod).
VITRIOL
571; 572; 403; 222; 1
In assaying
237—238
In cementation
454; 454
Indication of copper
116
In making nitric acid
439—440
In roasted ores
350
In sal artificiosus
463
Native
111
Native blue
109
Native white
113
Red
274
White
454
VOLCANIC ERUPTIONS
595
WASHERS
78
WASHING ORE (see also
Concentration, Screening Ore, etc.)
300—310
WATER-BAGS
157—159; 198
WATER-BUCKETS
157—158
WATER-WHEELS
187; 283; 286; 319
WATER-TANK, UNDER BLAST FUR-NACES
356—357
WEALTH
7—20
WEDGES
150
WEIGHTS
260—264;
616—617; 242; 253
Weisser Kis
111
Werckschuh
617; 78
WESTPHALIA.
Smelting lead ore
391
Spalling ore
272
WHEELBARROWS
154
WHIMS
164—167
WHITE-LEAD
440; 354; 110; 232
WHITE SCHIST
234; 390; 234; 222
WINDING APPLIANCES (see Hauling Appliances).
WINDLASSES
160; 171; 149
WINDLASS MEN
160; 78
WINDS.
Greek and Roman names
58
Sailors' names
59; 60
WINDS (winze)
101
WINDSAILS
200—203
WINZES
102
WITTENBERG, CAPITULATION OF
IX.
WIZARDS.
Divining rods
40
WORKMEN
98; 100
WOUGHS
101
Zaffre
112
ZEITZ
XI.
ZINC (see also Cadmia, and Cobalt).
Historical notes
408—410; 354
Minerals
112—113
ZINCK (see
Zinc).
ZINC OXIDES
113; 354
ZINC SULPHATE (see
Vitriol).
Zincum (see Zinc).
Zoll
617; 78
ZWICKAU
VI.
Zwitter
110
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