Ce livre est un guide sur les premiers ballons dirigeables et a roplanes. L'auteur, Alphonse Berget, tait un ing nieur fran ais du XIXe si cle et expert de la premi re g n ration des a ronefs. Ce livre est une ressource inestimable pour tous ceux qui s'int ressent l'histoire de la technologie de l'aviation. Les lecteurs int ress s par l'aviation et les inventions techniques appr cieront cette oeuvre pour son expertise et ses pr cisions techniques.
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