The Quartz Operator's Hand-book

alloy ammonia antimony Assay batteries Black Flux borax bottom calcining cam-shaft carbonate of soda charcoal charge chloride chloride of silver color Common salt concentrated Conoidal containing cool copper crucible cubic cupellation cylinder diameter dilute dissolving earthen crucible employed Excelsior Grinder feet Ferrocyanide Filter filtrate furnace fused gangue glass gold and silver Grinder and Amalgamator grinding heat horse-power hydrochloric acid lead litharge machine mercury metallic mineral veins mortar muller nitric acid opening operation oxidizing flame Phosphate of Soda pipe plate portions Potassium Potassium produces pounds Process.-1st produces a white pulp pulverized quartz quicksilver readily reducing flame residuum retort Reverberatory reverberatory furnace roasted rock separated shaft slags smelting SODIUM AMALGAM soluble solution square inch stamps steam sulphate of iron sulphide sulphuric acid surface Table tappet tellurium temperature tion Tractory tubs tunnel usually velocity wash weigh the button weight white precipitate zinc