Public domain
Conversion. Copper and brass processing. Casting a billet from an electric furnace. Modern electric furnaces have helped considerably in speeding the production of brass and other copper alloys for national defense. Here the molten metal is poured or cast from the tilted furnace into a cylindrical m
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Credit lineConversion. Copper and brass processing. Casting a billet from an electric furnace. Modern electric furnaces have helped considerably in speeding the production of brass and other copper alloys for na. 1942-01-01. Palmer, Alfred T., United States. Office Of War Information. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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