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The Great Events by Famous Historians [Volumes 1-14]
- Автор: Gutenberg
- Год: 1905
- Язык: английский
- Жанр: История
Электронная книга - «The Great Events by Famous Historians [Volumes 1-14]». Краткое содержание книги:
The Great Events by Famous Historians, Volume 01
The Great Events by Famous Historians, Volume 02 / (From the Rise of Greece to the Christian Era)
The Great Events by Famous Historians, Volume 03
The Great Events by Famous Historians, Volume 04
The Great Events by Famous Historians, Volume 05 / (From Charlemagne to Frederick Barbarossa)
The Great Events by Famous Historians, Volume 06 / (From Barbarossa to Dante)
The Great Events by Famous Historians, Volume 07
The Great Events by Famous Historians, Volume 08 / The Later Renaissance: from Gutenberg to the Reformation
The Great Events by Famous Historians, Volume 09
The Great Events by Famous Historians, Volume 10
The Great Events by Famous Historians, Volume 11
The Great Events by Famous Historians, Volume 12
The Great Events by Famous Historians, Volume 13
The Great Events by Famous Historians, Volume 14
The Great Events by Famous Historians, Volume 17
The Great Events by Famous Historians, Volume 21 / The Recent Days (1910-1914)
Tiberius Cavallo was an electrician and natural philosopher, born at Naples, 1749. He came to England in 1771, where he devoted his time to science and literature till his death, in 1809.
On September 19, 1783, the King, Queen,[31] the court, and innumerable people of every rank and age assembled at Versailles, Jacques Montgolfier being present to explain every particular. About one o'clock the fire was lighted, in consequence of which the machine began to swell, acquired a convex form, soon stretched itself on every side, and in eleven minutes' time, the cords being cut, it ascended, together with a wicker cage, which was fastened to it by a rope. In this cage they had put a sheep, a cock, and a duck, which were the first animals that ever ascended into the atmosphere with an aërostatic machine. When the machine went up, its power of ascension or levity was six hundred ninety-six pounds, allowing for the cage and animals.
The machine raised itself to the height of about one thousand four hundred forty feet; and being carried by the wind, it fell gradually in the wood of Vaucresson, at the distance of ten thousand two hundred feet from Versailles, after remaining in the atmosphere only eight minutes. Two game-keepers, who were accidentally in the wood, saw the machine fall very gently, so that it just bent the branches of the trees upon which it alighted. The long rope to which the cage was fastened, striking against the wood, was broken, and the cage came to the ground without hurting in the least the animals that were in it, so that the sheep was even found feeding. The cock, indeed, had its right wing somewhat hurt; but this was the consequence of a kick it had received from the sheep, at least half an hour before, in presence of at least ten witnesses.
It has been sufficiently demonstrated by experiments that little or no danger is to be apprehended by a man who ascends with such an aërostatic machine. The steadiness of the aërostat while in the air, its gradual and gentle descent, the safety of the animals that were sent up with it in the last-mentioned experiment, and every other observation that could be deduced from all the experiments hitherto made in this new field of inquiry seem more than sufficient to expel any fear for such an enterprise; but as no man had yet ventured in it, and as most of the attempts at flying, or of ascending into the atmosphere, on the most plausible schemes, had from time immemorial destroyed the reputation or the lives of the adventurers, we may easily imagine and forgive the hesitation that men might express, of going up with one of those machines: and history will probably record, to the remotest posterity, the name of M. Pilâtre de Rozier, who had the courage of first venturing to ascend with a machine, which in a few years hence the most timid woman will perhaps not hesitate to trust herself to.
The King, aware of the difficulties, ordered that two men under sentence of death should be sent up; but Pilâtre de Rozier was indignant, saying, "Eh quoi! de vils criminels auraient les premiers la gloire de s'élever dans les airs! Non, non cela ne sera point!" ("What! Vile criminals to have the glory of the first aërial ascension! No, not on any account!") He stirs up the city in his behalf, and the King at length yields to the earnest entreaties of the Marquis d'Arlandes, who said that he would accompany him.
Scarce ten months had elapsed since M. Montgolfier made his first aërostatic experiment, when M. Pilâtre de Rozier publicly offered himself to be the first adventurer in the newly invented aërial machine. His offer was accepted; his courage remained undaunted; and on October 15, 1783, he actually ascended, to the astonishment of a gazing multitude. The following are the particulars of this experiment:
"The accident which happened to the aërostatic machine at Versailles, and its imperfect construction, induced M. Montgolfier to construct another machine, of a larger size and more solid. With this intent, sufficient time was allowed for the work to be properly done; and by October 10th the aërostat was completed, in a garden in the Faubourg St.-Antoine. It had an oval shape; its diameter being about forty-eight feet, and its height about seventy-four. The outside was elegantly painted and decorated with the signs of the zodiac, with the cipher of the King's name in fleurs-de-lis, etc. The aperture or lower part of the machine had a wicker gallery about three feet broad, with a balustrade both within and without about three feet high. The inner diameter of this gallery, and of the aperture of the machine, the neck of which passed through it, was near sixteen feet. In the middle of this aperture an iron grate or brazier was supported by chains which came down from the sides of the machine.
"In this construction, when the machine was in the air, with a fire lighted in the grate, it was easy for a person who stood in the gallery, and had fuel with him, to keep up the fire in the mouth of the machine, by throwing the fuel on the grate through port-holes made in the neck of the machine. By this means it was expected, as indeed it was found by experience, that the machine might have been kept up as long as the person in its gallery thought proper, or while he had fuel to supply the fire with. The weight of this aërostat was upward of 16,000 pounds.
"On Wednesday, October 15th, this memorable experiment was performed. The fire being lighted, and the machine inflated, M. Pilâtre de Rozier placed himself in the gallery, and, after a few trials close to the ground, he desired to ascend to a great height; the machine was accordingly permitted to rise, and it ascended as high as the ropes, which were purposely placed to detain it, would allow, which was about eighty-four feet from the ground. There M. de Rozier kept the machine afloat during four minutes twenty-five seconds, by throwing straw and wool into the grate to keep up the fire; then the machine descended very gently; but such was its tendency to ascend, that after touching the ground, the moment M. de Rozier came out of the gallery, it rebounded again to a considerable height. The intrepid adventurer, returning from the sky, assured his friends, and the multitude that gazed on him with admiration, with wonder, and with fear, that he had not experienced the least inconvenience, either in going up, in remaining there, or in descending; no giddiness, no incommoding motion, no shock whatever. He received the compliments due to his courage and audacity, having shown the world the accomplishment of that which had been for ages desired, but attempted in vain.
"On October 17th, M. Pilâtre de Rozier repeated the experiment with nearly the same success as he had two days before. The machine was elevated to about the same height, being still detained by ropes; but the wind being strong, it did not sustain itself so well, and consequently did not afford so fine a spectacle to the concourse of people, which at this time was much greater than at the preceding experiment.
"On the Sunday following, which was the 19th, the weather proving favorable, M. Montgolfier employed his machine to make the following experiments. At half past four o'clock the machine was filled, in five minutes' time; then M. Pilâtre de Rozier placed himself in the gallery, a counterpoise of 100 pounds being put in the opposite side of it, to preserve the balance. The size of the gallery had now been diminished. The machine was permitted to ascend to the height of about 210 feet, where it remained during six minutes, not having any fire in the grate; and then it descended very gently.
"Soon after, everything remaining as before, except that now a fire was put into the grate, the machine was permitted to ascend to about 262 feet, where it remained stationary during eight minutes and a half. On pulling it down, a gust of wind carried it over some large trees in an adjoining garden, where it would have been in great danger had not M. de Rozier, with great presence of mind and address, increased the fire by throwing some straw upon it; by which means the machine was extricated from so dangerous a situation, and rose majestically to its former situation, among the acclamations of the spectators. On descending, M. de Rozier threw some straw upon the fire, which made the machine ascend once more, remaining up for about the same length of time.