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. This is a general view of the final engine assembly department
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.