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 138
made,witli the Brothers Robert, an ascent which put their courageto terrible tests. The hydrogen gas balloon was oblong,sixty feet high and forty feet in diameter, and it had been EXPERIMENTS IN MONTGOLFIERES. 121 constructed upon a plan supplied by Meunier. In order toobviate the use of the valve,… … Ascent of the Duke of Chartres. within, and press out of it a quantity of ordinary air equalto the amount of its dilation. At eight oclock, the Brothers Robert—Collin and Hullin—and the Duke of Chartres, ascended in presence of animmense multitude. The nearest ranks kneeled down toallow those…
Balloons · Balloon ascensions
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
