Students machinists being shown the proper finish required on gear pockets and bearing shaft bores of an aluminum oil pump housing. Packard marine plant
Summary
Public domain photograph of 1930s industry, war production in the United States free to use, no copyright restrictions image - Picryl description
Tags
Date
01/01/1941
Contributors
Palmer, Alfred T., photographer
United States. Office of War Information.
Location
Detroit (Mich.), 42.33139, -83.04583
Source
Library of Congress
Copyright info
Public Domain