Public domain
Chrysler tank arsenal. Headed for the oven, this rack of herringbone gears has been completed and is now awaiting the hear treatment which will harden the gears for use in the M-3 tank. Dozens of different types of gear arrangements are used in these twenty-eight ton monsters
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Credit lineChrysler tank arsenal. Headed for the oven, this rack of herringbone gears has been completed and is now awaiting the hear treatment which will harden the gears for use in the M-3 tank. Dozens of diff. 1940-01-01. Palmer, Alfred T., United States. Office For Emergency Management. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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