Caption: "Radio telephone receiver one stage amplifier and control set front connections. Box Open. This photograph, taken in December 1918, depicts an C in the Signal Corps. The equipment, identified as NOTEB 47099 AR-8, is a radio telephone aeroplane receiver with one stage amplifier and control set, displaying front connections. The image is part of the collection from Photographs of American Military Activities during World War One."

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Size: 8399px × 5741px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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