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 50
extent it occupied before being heated—or, inother words, that this degree of heat diminished the weightof air by one half—began to speculate on what might be the FIRST PUBLIC TRIAL OF THE BALLOON. JO shape and the material of a structure which, being filledwith air thus heated, would be able to… … The Brothers Montgolfier. air. He made it rise to the roof of his apartment—inNovember, 1782—at Avignon, where he then happened tobe. Having returned some little time after to Annonay,Joseph and his brother performed the same experimenttogether in the open air with perfect success. Certain, then,of…
Balloons · Balloon ascensions
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
![An illustration from La prima-[quinta] parte della luce del dipingere et disegnare, ... (1643)](https://img.insideoutlibrary.com/img/200/ia-laprimaquintapar00pass-44-72.webp)
