Signal Corps apparatus. This photograph shows radio set NUMBER 53,567 in use by the Signal Corps during World War I. It was taken to document the equipment used by the Signal Corps. The radio set, labeled SY OL and with the number 53567, was issued for military communication purposes.

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Size: 8547px × 5771px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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