Image: John Jeffries
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Title: American physician John Jeffries (1744-1819), who performed first wheather observations from gas balloon. He accompanied Jean-Pierre Blanchard on his 1785 balloon flight across the English Channel.
Credit: Richard Aßmann und Arthur Berson (Hrsg.): „Wissenschaftliche Luftfahrten“, Band 1, Vieweg, Braunschweig 1899, Fig. 1, S. 17.
Author: Caroline Watson
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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