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Laisnez & Wilfart Auto-Volant
 
Laissnez-Auto
 
L’Auto-Volant, was a helicopter invented and built by Jean-Baptiste Laisnez and Charles Wilfart in France during 1905–06. Two rotors consisting of three arms, each of which held small moveable blades closed to form a flat surface on the downward stroke. The machine was featured in the February 1905 issue of the Parisian publication “Cosmos”. It was also the subject of the 1905 French patent #357,036.
 
 
 
 


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