by Mary Blewitt (Author)
The bible for many generations of ocean navigators and a bestseller for over 65 years, the 13th edition of this book is written in a concise and clear style to explain a particularly difficult skill. The book aims to make a tricky subject easy to understand, with the worked examples requiring only straightforward addition and subtraction.
Format: Illustrated
Pages: 80
Edition: Illustrated
Publisher: Adlard Coles
Published: 06 Apr 2017
ISBN 10: 1472942876
ISBN 13: 9781472942876
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