Donkey engine used to control the speed of a 72° grade railroad at Weed Camp in the Vosges Forest, France. Taken on July 3, 1918, by Pvt. W. W. Hubbard. This photograph is numbered E16993 and was reviewed and passed by the A. E. P. Censor on July 29, 1918.

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Size: 8378px × 5670px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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