Public domain
Production. Milling machines and machine castings. Cock of the catwalk -- the crane operator peers down from dozens of feet above the manufacturing floor and hurries over to do any of the heavy lifting and shifting required in the complicated manufacture of machine tools
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineProduction. Milling machines and machine castings. Cock of the catwalk -- the crane operator peers down from dozens of feet above the manufacturing floor and hurries over to do any of the heavy liftin. 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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