Public domain
General view of propeller grinding and finishing operations at the Hamilton Standard Propeller Corporation. Connecticut
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineGeneral view of propeller grinding and finishing operations at the Hamilton Standard Propeller Corporation. Connecticut. 1940-01-01. Delano, Jack. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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