r. The kiln, D, has bottom discharge, and of the metal to be deposited is placed. The molds are sus- bath.^ Finally, the carbon and manganese together reduce the furnaces arranged on each side connect with it. A cross pended from a metallic rod, a h, opposite to which the plate. the oxide of iron… … parent, metal is drawn off into these riferous material. After the gold is dis- through a tap hole in the bottom of the solved, water is admitted, carrying off the chloride of gold fd, is hung. Copper, if the solution be of a salt of that metal, ladle, retaining the slag which floats on the surface…
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