Crowd in Washington gathers to listen to President Wilson's Victory Loan message delivered from an army airplane. The observer used a wireless telephone to transmit the message, which was received on the ground through radio waves and amplified with the newly invented "Magnavox." Photograph taken on April 21, 1919, by Cpl. Franklin.

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Size: 8565px × 5726px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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