Public domain
Aluminum casting. Molds must be touched up before cores can be placed in them; another step in the delicate technical process of casting for aluminum products. Aluminum Industries Inc., Cincinnati, Ohio
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineAluminum casting. Molds must be touched up before cores can be placed in them; another step in the delicate technical process of casting for aluminum products. Aluminum Industries Inc., Cincinnati, Oh. 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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Aluminum casting. Brushing and inserting cores into the assembled mold, one of the many delicate operations required of skilled workmen in a large Midwest factory. Aluminum Industries Inc., Cincinnati, Ohio
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