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Updated: June 18, 2025
The coal gas is not only much less costly, but is easily procured and managed. "For its introduction into common use for purposes of aerostation, we are indebted to Mr. Charles Green. Up to his discovery, the process of inflation was not only exceedingly expensive, but uncertain.
Probably owing to the fact that his engines were not of sufficient power, Santos-Dumont cannot be said to have solved the problem of the military airship, although the French Government bought one of his vessels. At the same time, he accomplished much in furthering and inciting experiment with dirigible airships, and he will always rank high among the pioneers of aerostation.
Both Rozier and his companion were killed in the fall, so that he, first to leave the earth by balloon, was also first victim to the art of aerostation. There followed, naturally, a lull in the enthusiasm with which ballooning had been taken up, so far as France was concerned.
The balloon rose 22,930 feet, and the lowest temperature observed was 26 degrees below zero. It is to Mr. Glaisher and Mr. Coxwell, however, that the highest honours of scientific aerostation belong. The ascents made by these gentlemen Mr. Glaisher being the scientific observer, and Mr. Coxwell the practical aeronaut have become matters of history.
The first point of view in which aerostation was regarded, was in that of its practical utility If one refers to the pre-occupations of the time to the great events then occurring in the history of France, one will easily understand that the Committee of Public Safety soon thought of employing balloons in the observation of the forces and the movements of hostile troops.
The ice was now fairly broken, and, not suffering professional duties to be any hindrance, Coxwell began to make a series of ascents under the leadership of two rival balloonists, Gale and Gypson. One voyage made with the latter he describes as leading to the most perilous descent in the annals of aerostation.
The broomstick has been the theme of many a story connected with this subject: As men in sleep, though motionless they lie, Fledged by a dream, believe they mount and fly; So witches some enchanted wand bestride And think they through the airy regions ride. But the reason of its possessing such extensive powers of locomotion, or rather aërostation, is not generally understood.
It would seem to be equally essential in the case of heavier-than-air machines, but this point is still debated. Certainly it affords the occupant of a falling aeroplane a chance, no matter how slender, of reaching the ground in safety, and, for that reason, it would seem to have a place in aviation as well as in aerostation.
This was, perhaps, partly an effect from our extreme proximity to its performances; I had never been on quite such intimate terms with equitation and aerostation of all kinds; but I think it was also largely from the good hearts of the whole company.
My dear fellow, the science of the aerostation of dirigible balloons is not yet developed enough for me to consider it and suppose that a murderer would drop from the clouds! So don't say a thing is possible, when it could not be otherwise. We know now how the man entered by the window, and we also know the moment at which he entered, during the five o'clock walk of the professor and his daughter.
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