The Quartz Operator's Hand-bookD. Van Nostrand, 1871 - 175 páginas |
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alloy ammonia antimony Assay batteries Black Flux borax bottom calcining cam-shaft carbonate of soda charcoal charge chloride chloride of silver cloth color concentrated Conoidal containing copper crucible cubic cupellation cylinder diameter dilute dissolving earthen crucible employed Engineer 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 plates portions Potassa 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 thick tion Tractory tubs tunnel velocity wash weigh the button weight white precipitate zinc
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Página 156 - ... full, is equal to that which a heavy body would acquire, by falling from the level of the surface to the level of the orifice.
Página 39 - ... of an inch and return. Hence, if a stone be dropped in between the convergent faces of the jaws, it will be broken by the next succeeding bite; the resulting fragments will then fall lower down and be broken again, and so on until they are made small enough to pass out at the bottom. The...
Página 93 - Platinum withreagents. (Solution of Bichloride of Platinum may be used.) Potassa produces a yellow crystalline precipitate, consisting of the double chloride of platinum and potassium (K Cl,PtCl2) ; the addition of hydrochloric acid favours its formation ; it is insoluble in acids, but dissolves with the aid of heat in potassa ; it is very slightly soluble in water, and insoluble in strong alcohol. Ammonia produces a yellow crystalline precipitate, the double chloride of platinum...