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Excerpt from Aerial Navigation
It will be seen that the design of the present work is one which is of a nature to help whatever practical schemes may be put forth. Its subject is aerial navigation as a problem, - the determination of the conditions under which it may be ascertained whether the air is or is not navigable. The work indeed stops short in the midst of the most important of its chapters, that of the power sufficient for the propulsion of vessels through the air, which shall be genuine air-craft, and not mere gas-bubbles with a skin over them, as the present balloons. But even in this state it goes far to develops the author's views. And without pretending to the slightest mechanical knowledge, it appears to me that the severity of the method under which his inquiries Have been undertaken must do much to clear the ground, by sweeping away, once for all, con trivances which are shown to be impracticable, and by in dicating the directions in which really hopeful experiments may be prosecuted.
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Aerial Navigation (Classic Reprint)
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Paperback. Condizione: New. Print on Demand. This book explores the potential of aerial navigation. The author, who had no personal experience with ballooning and never went up in a balloon, became interested in the subject after reading about a contraption that was going to be built in Paris. Since the invention of the balloon, attempts have been made to steer them, but they were all unsuccessful, due to a misunderstanding of the challenges involved. The author sees no reason why aerial navigation should not be possible and presents his insights into propelling balloons, dealing with gas loss, and dealing with wind resistance. He also discusses the possibility of man-powered flight and the history of various attempts. By systematically examining the problems of aerial navigation, this book lays out a path for future success and invites readers to participate in the challenge of conquering the air. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Codice articolo 9780282590413_0
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Aerial Navigation Classic Reprint
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PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000. Codice articolo LW-9780282590413
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Aerial Navigation Classic Reprint
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PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000. Codice articolo LW-9780282590413
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