A worker at the Packard Motor Car Co. in Detroit, Michigan, machines cylinders for the Liberty Motor, a key component of American military efforts during World War One. This photograph highlights the manufacturing process at the plant. Photograph taken on April 20, 1918. Official use only.

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Size: 8810px × 5886px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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