A Field Gun model of 1906 at the Aberdeen Proving Ground in Aberdeen, Maryland. The photograph was taken by the Ordnance Department on September 6, 1918. The gun was received for testing and evaluation. This photograph is marked as "For Official Use Only."

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Size: 8483px × 5779px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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