Cayley's Aerial Screw
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A flying machine invented by George Cayley. It is an early model of the helicopter.
Keywords
fly, transportation, machine, rotate, helicopter, airplane, aerial, flying, aerial screw, Flight, air plane, cayley, george cayleyGalleries
Air TransportationSource
Pettigrew, J. Bell Animal Locomotion (New York, NY: D. Appleton & Company, 1874)
Downloads
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760×1024, 84.5 KiB
475×640, 41.6 KiB
237×320, 13.5 KiB