![](http://www.alamy.com/thumbs/6/BB7889C7-8CBE-4DC4-8357-4504C64FA037/2X65THJ.jpg)
Joseph-Louis Gay-Lussac and Jean-Baptiste Biot in the first balloon flight undertaken for scientific purposes, illustration 1804
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Photo credit: © Colaimages / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: 1804, balloon, biot, flight, gay-lussac, illustration, jean-baptiste, joseph-louis, purposes, scientific, scientists