Lead ores are smelted in the reverberatory furnace, the ore-hearth, and the blast-furnace. [Please select]
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It has been attempted in New-Jersey to lessen the expense attending these heats, by performing them in reverberatory furnaces. [Please select]
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_A_, Open: _a_, using Wood; _b_ Coal; _b´_, in Clamps; _b´´_, Flame--_B_, Closed: _c_, Direct Flame; _c´_, Rectangular; _c´´_, Round; _d_, Reverberatory--III. [Please select]
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Reverberatory furnaces were next tried, and with partial success, but a combined process has finally been introduced which has been successful and which is called, from a part of the operation, the method of _puddling_. [Please select]
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