Public domain
Workmen checking the temperature of magnesium alloy and "salting" the mixture (i.e., adding chemical necessary to the particular alloy combination at hand) before pouring it into the moulds. Ford River Rouge Foundry
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineWorkmen checking the temperature of magnesium alloy and "salting" the mixture (i.e., adding chemical necessary to the particular alloy combination at hand) before pouring it into the moulds. Ford Rive. 1941-01-01. United States. Office For Emergency Management, Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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