Synchronous Signalling in Navigation (Classic Reprint)
Language: English
Published by Forgotten Books, 2024
- Softcover
- New
Seller: Forgotten Books, London, United KingdomForgotten Books
AbeBooks seller since June 2, 2021
Condition: New
£ 13.76
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Print on Demand. This book examines a radical new method for signaling, with the potential for revolutionizing safety at sea. By synchronizing signals transmitted using various methods, such as sound waves traveling through water and air, and radio, this technique allows ships to communicate crucial navigational data with each other. Advanced methods of acoustic signal timing allow onboard instruments to compute their exact distance to signaling sources, such as lighthouses or other ships. The system has significant benefits over existing navigational techniques, enabling precise and real-time determination of position and speed with reduced dependence on visibility. Beyond collision avoidance, the increased data available can assist in navigation, anti-submarine warfare, and search and rescue. The author, an experienced physicist, makes a convincing case for the transformative potential of this technology, supported by extensive research and practical demonstrations. 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.…
Seller Inventory # 9780282606763_0
- Title
- Synchronous Signalling in Navigation (Classic Reprint)
- Author
- John Joly
- Publisher
- Forgotten Books
- Publication year
- 2024
- Condition
- New
- Book Type
- print-on-demand item
- Binding
- Paperback
- Language
- English
- ISBN 10
- 0282606769
- ISBN 13
- 9780282606763
- Seller catalogs
- Electronics
Synchronised signalling is based on a fact, the ascertainment of which is old in the history of scientific advance that disturbances travel with different speeds in different media. Light and other electro-magnetic disturbances (such as telegraphy or wireless may be regarded as instantaneously propagated; sound travels relatively slowly; and in water more than four times as fast as in air. These are fundamental facts which have been made the subject of accurate measurements and certainly require no further experiments to establish. They are the scientific bases of synchronous signalling. The practical basis differs somewhat accord ing as we consider its application to coastal stations, or to the prevention of collision. Re garding the first, we may say that two factors only are involved: (1) The possibility of simul taneously originating at a signal station any two or all three of these disturbances; and (2) the possibility of hearing and timing them on board ship.
No one acquainted with what has been already accomplished would hesitate in con sidering both these conditions as perfectly feasible. Fortunately we may take even a stronger position. The method has been made the subject of a practical trial by the Hydro graphic Department of the United States Navy. All three kinds of signals - wireless, submarine, and aerial - were sent out synchronously from the Nantucket Shoals Lightship. A suitably equipped vessel, receiving signals both by chronograph and stop-watch, made a cruise in hazy weather in the neighbourhood; at in tervals finding her distance from the lightship by timing the arrival of the signals. The results are shown on a chart dated 1911 The known course of the vessel and the course as defined by the signals appear as three lines which show a quite satisfactory agreement over conditions of distance varying from one to eight nautical miles.
About the Publisher
Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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Forgotten Books’ Classic Reprint Series utilizes the latest technology to regenerate facsimiles of historically important writings. Careful attention has been made to accurately preserve the original format of each page whilst digitally enhancing the quality of the aged text.
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Forgotten Books publishes hundreds of thousands of rare and classic books.
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
This text has been digitally restored from a historical edition. Some errors may persist, however we consider it worth publishing due to the work's historical value.
The digital edition of all books may be viewed before purchase if you request a sample.
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