A photograph showing a radio apparatus, identified by the number +b√581, used during World War One. The photo was taken by the photographer of the Signal Corps on March 10, 1921. The apparatus is labeled with the symbol "AU" and features the serial number 62582. Additional details mention an issuance of this equipment.

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Size: 8412px × 5712px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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