Croc?Spinelli sat with the Oxygen Gas Flask in his hand ..... I still had the strength to tap the aneroid barometer to make it easier to move his needle; Th閛dore Henri Sivel; Joseph Croc?Spinelli and Gaston Tissandier during a flight in the hot-air balloon 'Zenith' 1874; Signed: Demarle; R閚ard; Fig. 76; p. 449; Demarle; Gustave-Alphonse (dess.); R閚ard; A. (sc.); 1876; Alfred Sircos; Th. Pallier: Histoire des ballons et des ascensions c閘鑒res avec une pr閒ace de Nadar: dessins de A. Tissandier [...]. Paris: F. Roy; 1876