Observation telescope used in anti-aircraft gunnery to locate enemy planes. Located in the Design Section of the Ordnance Department in Vincennes, Seine, France. Photograph taken on March 11, 1919. Subject number: 51597. Photograph by William Legge.

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Size: 8451px × 5771px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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