General view of crowd listening to President Wilson's Victory Loan message at the opening of the Victory Loan campaign in Washington, The message was delivered from an army aeroplane 3,000 feet above the Treasury Building. The observer used a wireless telephone to transmit his voice, which reached the ground via radio waves. The voice was then received and amplified to the people using the newly invented "Magnavox." Photo taken on April 21, 1919, by CPI Photographer Franklin. CO NOTES: 47539.

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

Keywords: .., 4-21-19, 4-28-19, 47539, aeroplane, amplified, building, campaign, cpi, crowd, franklin, loan, magnavox, president, radio, receiving, set, telephone, treasury, victory, washington, waves, wilson, wireless