An image of an airplane radio telephone set from the Radio Division. The photograph was taken on February 15, 1919, and officially issued for use. The control panel shows the model number 2446 by Western Electric Company. Additionally, there are two experimental models labeled PI TO anyag 13.

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Size: 8545px × 5778px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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