Public domain
Antiaircraft gun carriage. The leveling yoke for a thirty-seven millimeter antiaircraft gun carriage is cleaned in this bath before being painted. This yoke puts the gun on an even keel no matter what type of terrain the carriage rests upon. War program production scene in a Pennsylvania heavy indus
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Credit lineAntiaircraft gun carriage. The leveling yoke for a thirty-seven millimeter antiaircraft gun carriage is cleaned in this bath before being painted. This yoke puts the gun on an even keel no matter what. 1941-01-01. 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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