Public domain
Conversion. Copper and brass processing. This is the inlet end of a conveyor furnace. The rolls of strip brass and copper ride through the furnace on a conveyor, and when the metal comes out the other side it is annealed, and ready to be worked; that is rolled to a thinner gauge, or stamped into cup
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineConversion. Copper and brass processing. This is the inlet end of a conveyor furnace. The rolls of strip brass and copper ride through the furnace on a conveyor, and when the metal comes out the other. 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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