Public domain
Tank manufacture (Chrysler). M-3s, the twenty-eight ton "medium" tanks being turned out in Detroit at the Chrysler tank arsenal, are powered by nine cylinder, 400 horsepower Wright Whirlwind aviation type engines. These men are working on the engine wiring sub-assembly
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineTank manufacture (Chrysler). M-3s, the twenty-eight ton "medium" tanks being turned out in Detroit at the Chrysler tank arsenal, are powered by nine cylinder, 400 horsepower Wright Whirlwind aviation . 1940-01-01. United States. Office For Emergency Management, Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.