Image shows a Model of 1917 Six Ton Special Tractor, a small tank used during World War One. This photograph was taken on September 18, 1918, and is marked "Not for Publication" and "For Official Use Only." The image includes various technical details about the tractor's design and components.

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Size: 8475px × 5711px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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