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A   System of Aeronautics, Comprehending Its Earliest Investigations, and Modern Practice and Art; Designed as a History for the Common Reader, and Gu

A System of Aeronautics, Comprehending Its Earliest Investigations, and Modern Practice and Art; Designed as a History for the Common Reader, and Gu

Paperback

General United States History

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ISBN10: 1150537965
ISBN13: 9781150537967
Publisher: General Books
Pages: 126
Weight: 0.53
Height: 0.27 Width: 7.44 Depth: 9.69
Language: English
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1850 Excerpt: ... 114 BALLOON VOYAGE declare, that it is to the combination of both these in the person of Mr. Charles Green, that we are indebted for the entire results of all that is beneficial in the practice, or novel in the theory of this, the most delightful and sublime of all sublunary enjoyments. It was to him, and to his discovery of the applicability of coal gas to the purposes of inflation, that we owe the removal of the first of those impediments in practice, which till then had continued to weigh down with a leaden hand the efforts of the most indefatigable and expert, and had, in fact, bid fair to quench the incipient science in its very onset. Up to the period of that discovery, the process of inflation was one, the expense of which was only to be equaled by its uncertainty: two, and sometimes even three days of watchful anxiety have been expended in the vain endeavors to procure a sufficiency of hydrogen to fill a balloon, from which, on account of its peculiar affinities, it continued to escape almost as fast as it was generated; during all which time the various casualties of wind and weather, the inevitable imperfections of a vast and cumbrous apparatus, and above all the enormous expense attending this operation, were to be incurred and endured, for the sole purpose, and with the sole object of remaining for a few hours helplessly suspended in the air. Under such disadvantages, all prospect of advancement in the art had speedily disappeared; and it was only by the timely intervention of Mr. Green's ingenious application that the art itself was saved from a premature extinction--aerostation had gone to sleep, when, roused by this discovery, she awoke to redoubled efforts, and rendered that, in the hands of the skillful, a profession and a profit, which ...

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General United States History