Public domain
Machine tool experts set up a fixture to be used in drilling tank engine cylinder bores. The no. 4 Cincinnati horizontal mill which will do the work is one of many fine machines in a big automobile factory now being converted to tank production. Ford Lincoln plant, Michigan
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Credit lineMachine tool experts set up a fixture to be used in drilling tank engine cylinder bores. The no. 4 Cincinnati horizontal mill which will do the work is one of many fine machines in a big automobile fa. 1942-01-01. 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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