Название: Celestial Navigation for Yachtsmen, 13th edition Автор: Mary Blewitt Издательство: Adlard Coles Год: 2017 ISBN: 9781472942876 Формат: pdf Страниц: 96 Размер: 17,3 mb Язык: English
Huge advances in electronic navigation since the original publication of Celestial Navigation have transported offshore navigators to a world of press-button convenience. Traditional navigation skills--and technology-free position finding--are still vital, though, especially when things go wrong, as they will: batteries fail, antennas go overboard, and electronics get wet. Knowledge of celestial navigation is a life-saving emergency skill; it is also a rite of initiation and its practice still a favorite pastime among serious cruisers.
A bestseller for over 65 years, Celestial Navigation for Yachtsmen is a model of simplicity and clarity. The only mathematics involved are addition and subtraction, which explains why this book has truly earned its reputation for admirable conciseness and for making a tricky subject easy to understand. This edition has been thoroughly revised by Andy Du Port, the highly respected past editor of Reeds Almanacs.
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Celestial Navigation for Yachtsmen, 13th edition 
