Image of a radio telephone set from the Sumber AD Airplane Radio Division, taken on February 15, 1919. This short-wave radio telephone set, known as the 93, is used for official purposes only, specifically by pilots. The control box, marked as item 15, is referred to as Inder E 104 1.

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Size: 8648px × 5856px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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