Picture No | 10056201 |
Date | 1843 |
Description | Cayley's Helicopter |
Details |
CAYLEY'S HELICOPTER-AEROPLANE With two lateral helicopter rotors to provide lift, and two propellers for propulsion, this is an astonishingly far- sighted proposal
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Source | unnamed artist in 'Mechanic's Magazine' reproduced in Dollfus & Bouche, Histoire de l'Aeronautique, page 55 |
Credit | Mary Evans Picture Library |
Restrictions |
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