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 43
ric acidupon the zinc and the iron : this is hydrogen mixed withsulphuric acid, in passing through the central copper, orvat, full of water, the gas throws off all impurities, and .26 WONDERFUL BALLOON ASCENTS. comes, unalloyed with any other matter, into the balloon bya long tube, leading from the… … Inflating Balloon with Hydrogen. balloon, passes. P»y means of this contrivance the ballooncan be at once lightly raised from the ground, and the gastubes easily joined to it. When it is half full it is no longernecessary to suspend the balloon : on the contrary, it hasto be secured, lest it should…
Balloons · Balloon ascensions
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