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PONTON D'AMECOURT, Gustave (1825 - 1888)

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Numismatist, French archaeologist and inventor of the word "helicopter."

Among his deep research on particular in studies of Merovingian coins delivered to the Historical and Archaeological Society of Maine where he was a member. Friend of Félix Nadar and Jules Verne, he was a key precursor to all. Scholar, having studied mathematics, Sanskrit, old Greek and Latin, he holds the Legion of Honor. The word "helicopter" was invented by Gustave de Ponton d'Amécourt, from Greek Helikos (helix) and pteron (wing). This inventor built with Gabriel de La Landelle a small steam boiler engine prototype of an helicopter which was one of the first using aluminum. Jules Verne could consult a booklet published in 1863, in which Gustave Amécourt described his invention, and was inspired partly to describe the conquérant Robur helicopter. The expensive propeller, developed by Gustave de Ponton d'Amécourt and photographed by Nadar in 1863 helps to solve the problems of air navigation. A memorial stone was erected in the park of the town of Trilport where he was Mayor.
variant spelling:
* 16.08.1825 Paris born
1861 Conception d'un appareil en acier mu par un mouvement d’horlogerie et se soutenant dans l’espace sans le secours d’un gaz plus léger que l’air, grâce à deux hélices sustentatrices qu'il dénomma "Hélicoptère".
03.04.1861 Dépôt de certificat d'addition au brevet 49.077 initialement déposé en France sous le nom de "hélicoptere".
16.07.1862 Dépôt de brevet à Londres sous le nom de "helicoptere".
1863 Paris Création avec Nadar de la «Société d'encouragement pour la locomotion aérienne au moyen d'appareils plus lourds que l'air» avec pour objectif le financement et la construction d'un hélicoptère.
1865 - 1888 Président et Fondateur de la Société Française de Numismatique et d'archéologie.
† 1888 died
Industrialisation, ca. 1850-1920
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