Inside view of the 18SUED Number Wire Tractor manufactured by the Brill Co. in Philadelphia for the Signal Corps, This photograph was taken in 1918 during World War One. The image is part of a collection documenting American military activities.

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Size: 8590px × 5790px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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