Stories of inventors and discoverers in science and the useful arts. A book for old and young (1860)
Timbs, John, 1801-1875 · New York, Harper & Brothers · leaf 106
ocity, that in less than ten minutes itreached the elevation of 6000 feet. A breeze carried itin a horizontal direction to the distance of 7668 feet,when it fell gently on the ground. Machines on thisprinciple were called Montgoljiers^ to distinguish themfrom the hydrogen balloons which were made… … The first MontgoLfier. evident from the description given, namely, that it washalf as heavy as air. On August 23 the experiment wasresumed at Versailles with hydrogen inclosed in lutestringwhich had been dipped in a solution of India-rubber. Thegas was obtained in the usual manner by the action of…
Inventions · Inventors
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