![](http://www.alamy.com/thumbs/6/D16D1483-6EE5-4052-B49D-BDB9B93C8E7D/2A772C2.jpg)
Joseph Louis Gay-Lussac and Jean-Baptiste Biot performing physics experiments in a balloon at 4,000 meters altitude, 1804. Woodblock engraving by E. Deschamps after Mes from Louis Figuier's "Les Merveilles de la Science: Aerostats" (Marvels of Science: Air Balloons), Furne, Jouvet et Cie, Paris, 1868.
Size: 5400px × 6201px
Photo credit: © Florilegius / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 19th, adventure, aeronaut, aerostats, air, aircraft, altitude, atmosphere, balloonist, balloons, biot, century, de, deschamps, dirigible, engraving, experiment, figuier, flight, flying, gay-lussac, jean-baptiste, joseph, la, louis, machine, marvels, merveilles, mes, physics, science, travel, woodblock