Pictured in this image are various instruments used in aeroplanes during World War One. The specific instrument highlighted is the compass Durkee, which was issued by the Signal Corps. This photograph was taken on July 19, 1918, and it is marked not for publication.

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Size: 8336px × 5650px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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