American soldiers preparing and cleaning engineering corps precision instruments. The photograph was taken by Sgt. Gray, around March 3, 1919. It was received on March 7, 1919. The image shows soldiers working on the instruments, and the photograph was approved by the censor on March 10, 1919. The description includes the photograph's unique number 939036.

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Size: 8375px × 5673px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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