Wonderful ballon ascents : or, The conquest of the skies. A history of balloons and balloon voyages (1870)
Marion, Fulgence · New York : Cassell Petter & Galpin · leaf 47
t in his balloon fell in with the dogin the parachute, both of them high up in the cloudy reachesof the sky, and the poor animal manifested by his barking 5 3° WONDERFUL BALLOON ASCENTS. his joy at seeing Ins master. A new current separatedthe aerial voyagers, but the parachute, with its… … Gamerins descent in a Parachute. resistance of the air is quadrupled ; if the rapidity is triple,the resistance is increased ninefold; or, to speak in thelanguage of science, the resistance of the air is increased bythe square of the swiftness of the body in motion. Thisresistance increases in…
Balloons · Balloon ascensions
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