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Production. Ship propellers, etc. Molten manganese bronze is poured into a massive mold as a huge ship propeller is cast. A season foundryman in a large war production plant controls the pouring operation. Baldwin Locomotive Works
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Credit lineProduction. Ship propellers, etc. Molten manganese bronze is poured into a massive mold as a huge ship propeller is cast. A season foundryman in a large war production plant controls the pouring opera. 1942-01-01. United States. Office Of War Information, Rittase, William M.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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