The balloon forming parachute, Hot air balloon during a flight, Signed: A. Tissandier; Sargent, Fig. 6, p. 31, Tissandier, Albert (del.); Sargent (sc.), 1870, James Glaisher; Camille Flammarion; Wilfrid de Fonvielle; Gaston Tissandier: Voyages a?rien