Public domain
In North American's foundry, kirksite is poured into a mould to be used in press to shape plane parts
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineIn North American's foundry, kirksite is poured into a mould to be used in press to shape plane parts. 1942-01-01. Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.