Public domain
Conversion. Animal traps to armor-piercing bullet cores. A screw-cutting machine in an Eastern animal trap factory just before it was converted from the making of machine bolts for the production of armor-piercing bullet cores
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineConversion. Animal traps to armor-piercing bullet cores. A screw-cutting machine in an Eastern animal trap factory just before it was converted from the making of machine bolts for the production of . 1942-01-01. United States. Office For Emergency Management, Liberman, Howard. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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