Observers being instructed in the mechanism of aerial cameras. 2nd Lieutenant C S Underwood, FA (Instructor) showing 1st Lieutenant J B Harvey, FA (Observer) the final working of the aerial camera before his flight, Le Valdahon.

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Size: 2550px × 1960px
Photo credit: © piemags/archive/military / Alamy / Afripics
License: Licensed
Model Released: No

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