People in a crowd are seen listening to President Wilson's Victory Loan message during the opening of the Victory Loan campaign in Washington The message is delivered from an army aeroplane 3,000 feet above the Treasury Building. The observer spoke into a wireless telephone and his voice was transmitted to the ground via radio waves, received in a "receiving set", and amplified to the people through 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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