Image shows a radio technician from the 36355 Radio Division in possession of the first model of an airplane radio telephone set. This device, utilizing short waves, was exclusively issued for official use during World War One activities. Date: February 15, 1919.

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Size: 8576px × 5784px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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