This guide to Celestial Navigation has been popular ever since it first appeared in 1969.
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Extracts from the Nautical Almanac and Pub.
Revised in 1982, Celestial Navigation is a quick, easy, and thorough explanation (with realistically worked problems) of the practice of Celestial Navigation at sea, using simple and inexpensive equipment.
This guide to Celestial Navigation has been popular ever since it first appeared in 1969