Public domain
Great Falls, Montana. Anaconda Wire and Cable Company. Molds into which molten copper will be poured are first treated with bone-ash and then dried with compressed air
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineGreat Falls, Montana. Anaconda Wire and Cable Company. Molds into which molten copper will be poured are first treated with bone-ash and then dried with compressed air. 1942-01-01. Lee, Russell. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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