Notes of a Metallurgical Journey in EuropeD. Van Nostrand, 1873 - 102 ページ |
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24 hours abstrich Agordo alloy Altenau amount antimony arsenic assay average basic bismuth black copper blast bricks Bridge bushels cent chambers Charcoal charge chloride Clausthal Cloth coal coke composition concentrated condensation copper matte cords cost cubic feet cubic meters cupel diameter edition Engineer engravings expense experiments extraction flue flux Freiberg fuel galena gneiss gold hard lead Hartz hearth heat Illustrated impurity inches iron oxide iron pyrites kernels kettle kilns labor Lautenthal Lead oxide litharge lixiviation loss manufacture material Mechernich melted mercury metal method mines Muldner obtained operation ounces piles plates pounds practical precipitation proportion puddle slag pulp quartz removed residues reverberatory furnace rich roasted matte round furnaces salts scraps Section shaft furnace silica silver slag small quantity smelted steam sulphate sulphide sulphuric acid tained tion tons treated TREATISE treatment tubes tuyeres Valalta vats vitriol wood zinc oxide
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