Public domain
New machines for war program. This is a broaching machine. Broaching is an efficient manufacturing method now being successfully adapted to gun making
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineNew machines for war program. This is a broaching machine. Broaching is an efficient manufacturing method now being successfully adapted to gun making. 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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