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A Treatise on Metallurgy: Comprising Mining, and General and Particular ...
No preview available - 2015
affinity alkalies alloy amount anthracite antimony arsenic assay bismuth blast blast-furnace borax bottom brittle carbonic acid cast-iron cause cent charcoal charring chiefly chlorides cinder clay coal coke color combine contains copper crucible crude crystals cupel cylinder degree of heat diameter evaporate exposed feet fire flame fluid flux fuel furnace furnish fusible galena gold gray iron hard hearth hydrogen impure inches instances kind latter lime litharge machine manganese mass means melted metal mineral mixed obtained operation oven oxide oxide of lead oxygen particles phosphorus pipe piston pounds present produced puddling puddling furnace pumps pure pyrites quantity red heat refining refractory removed represented in fig reverberatory reverberatory furnace roasting rock rollers saltpetre sand shaft shown in fig silex silica silver slag smelting soda steel strong substances sufficient sulphur sulphuret surface tion tuyere valve vein volatile weight wood wrought-iron zinc