General arrangement of radio set 6018, used by the American military during World War One. The set includes a transmitter and key for transmitting messages. This photo was taken by the PROTOPE in Washington, in 1918. This set was intended for military use only.

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Size: 9181px × 6300px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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