Stock Photo - Design drawings for a man_powered flying machine with manually controlled wings entitled, Vélocipède aérien, Aviation, études, essais et inventions qui, sans résourdre le problème de l´aviation, ont pourtant donné des résultats intéresssants et encourageants à l´auteur / dédié par l´auteur aux chercheurs, expérimentateurs, inventeurs et amis de l´aviation, aoùt 1866, Bourcart.

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