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Celestial Navigation for Yachtsmen : 13th Edition

Don't leave shore without this easy-to-use celestial favorite navigation primer--it could save your life! 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, ant...