The Method of Finding the Longitude at Sea by Time-Keepers: To Which Are Added
Language: English
Published by Forgotten Books, 2018
- Softcover
- New
Seller: Forgotten Books, London, United KingdomForgotten Books
AbeBooks seller since June 2, 2021
Condition: New
US$ 18.88
Quantity: Over 20 available
Add to basketItem description from seller
Print on Demand. In 'The Method of Finding the Longitude at Sea', the author demonstrates a simple and precise method for sailors to determine their longitude by using a timekeeper. This book provides thorough instructions and tables that enable seafarers to calculate their position accurately, a significant advancement in navigation at the time of its publication. The author addresses common misconceptions about the subject and clearly explains the principles of longitude, the role of the Earth's rotation, and the relationship between time and longitude. By presenting alternative methods and considering potential errors, the author presents a comprehensive and reliable guide to finding longitude at sea. This book remains a valuable resource for anyone interested in the history of navigation and the development of techniques for determining longitude. 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 # 9781331975021_0
- Title
- The Method of Finding the Longitude at Sea by Time-Keepers: To Which Are Added
- Author
- William Wales
- Publisher
- Forgotten Books
- Publication year
- 2018
- Condition
- New
- Book Type
- print-on-demand item
- Binding
- Paperback
- Language
- English
- ISBN 10
- 1331975026
- ISBN 13
- 9781331975021
- Seller catalogs
- Astronomy
This edition presents a clear, step-by-step approach to using a time-keeper to determine longitude. It explains the ideas behind longitude, how to apply a watch to the task, and how to measure the rate of a time-keeper in order to pinpoint mean time at sea.
Designed for sailors and students of navigation, it also outlines the advantages and limits of time-keeper methods, and contrasts them with observations of fixed stars and solar altitudes. The text emphasizes practical procedures, including quick calculations and the reasoning behind daily observations at sea.
- How to use a time-keeper to find longitude and why rate matters
- Simple, repeatable methods for deriving daily gains or losses in a watch
- Alternative approaches using fixed stars and solar altitude with Hadley’s quadrant
- Tables of equations and practical examples to guide practice
Ideal for readers of maritime history and navigation who want a grounded, hands-on look at early methods for determining position at sea. This edition supports curious minds and professionals seeking a historical perspective on practical astronomy at sea.
"Synopsis" may belong to another edition of this title.
Forgotten Books
London, United Kingdom
AbeBooks seller since June 2, 2021
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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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