Public domain
Conversion. Copper and brass processing. This is an inverted bull clock, a modern piece of equipment in a brass and copper mill for drawing large diameter wire. As the wire leaves the machine, it is automatically coiled for easy handling. Most frequently it is redrawn to smaller diameters, though th
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Credit lineConversion. Copper and brass processing. This is an inverted bull clock, a modern piece of equipment in a brass and copper mill for drawing large diameter wire. As the wire leaves the machine, it is a. 1942-01-01. Palmer, Alfred T., United States. Office For Emergency Management. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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