Aerial Navigation (Paperback)

Purchase of this book includes free trial access to www.million-books.com where you can read more than a million books for free. This is an OCR edition with typos. Excerpt from book: Transportation Library TL teBj TIPOE several years, the inventor has been studying the problem of Aeronautics ? how to navigate the air, and has discovered a new theory, endorsed by eminent scientists, by which that result can be accomplished. The first notice of his invention was given at St. Lonis, Mo., April 8, 1884, at a public conference given by the inventor at Bomberger's Hall, and reported by the Globe Democrat. The new system of ballooning by means of a partial vacuum will overcome all the difficulties heretofore experienced by aeronauts, and from experiments made by the author on a small scale, he confidently states that success is assured. It is hoped that, after a perusal of this pamphlet, the subject of navigating the air, when mentioned, will no longer be met with a smile; and the author is sure that if the reader carefully notes that the statements which follow are those of well-known principles, and their application leads naturally to the inconvertible truth of what he has termed the "vacuum theory," he will be ready to admit that the successful navigation of the air is but a question of mechanics. A. De Bausset, M.D., Chicago, August, 1887. 236 State Street. Note. ? This pamphlet is published under the auspices of The Transcontinental Aerial Navigation Company of Chicago, duly incorporated under the laws of the State of lllinois, February 18, 1886. VACUUM THEORY. PRINCIPLES. 1. A body immersed in water, if lighter than the same bulk of water, will rise to the surface. 2. A body in the air, if lighter than the same bulk of air, will rise in it. APPLICATIONS. Balloons filled with hydrogen rise in the air, because hydrogen is about fifteen times lighter than air, and hence the hydrogen in a balloon is but 1-15 the weight of t...