Experimental autogyro mail shuttle landing in Washington DC, USA. An autogyro takes off like an aeroplane, relying on its forward motion to rotate the

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Experimental autogyro mail shuttle landing in Washington DC, USA. An autogyro takes off like an aeroplane, relying on its forward motion to rotate the rotor blades and provide upwards lift. A helicopter, in contrast, uses an engine to power its rotor. Photographed on 19th May 1938.

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Size: 4724px × 3886px
Photo credit: © LIBRARY OF CONGRESS/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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