Jules Dupuis-Delcourt

Jules Dupuis-Delcourt

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Credit: SHEILA TERRY/SCIENCE PHOTO LIBRARY

Caption: Jules Francois Dupuis-Delcourt (1802-1864), French professional balloonist, designer, inventor, and editor of a Paris journal, made his first balloon ascent in 1824. As an experimenter he devised an aerial lightning conductor, named “l'electro substracteur”, based on a metallic balloon tethered to the ground by a metal cable to earth the electrical charge collected. The balloon was designed to be a copper cylinder with pointed ends, but he was unable fund its construction. He joined another inventor, Edmond Marey-Monge, who was attempting to construct a large, spherical copper balloon and in 1844 they attempted to launch it, but were unsuccessful.

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Keywords: aeronaut, aeronautical writer, aerostat, balloonist, copper, dupuis-delcourt, electro substracteur, inventor, lightning, lightning conductor, marey-monge, materials technology

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