Crowd listening to President Wilson's Victory Loan message delivered from an army airplane, 3,000 feet above the Treasury Building in Washington, The observer used a wireless telephone to transmit his voice via radio waves to a receiving set, which amplified the message for the people using the newly invented "Magnavox".

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

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