"An electric machine being installed in an airplane factory as part of the production process. This photograph was taken in December 1917, during World War One. The image is numbered 111-SC-573 and was released to the Subject to App'l Sig. Corps on December 27, 1917."

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Size: 9182px × 6304px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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