1116953
9781588320681
A unique, concise resource for the history of Line of Position navigation. Two nineteenth century navigators created the basic concepts of celestial naval navigation we still use today: Thomas H. Sumner of America, and Marcq Saint-Hilaire of France.Vanvaerenbergh, Michel is the author of 'Line of Position Navigation Sumner and Saint Hilaire the Two Pillars of Modern Celestial Navigation' with ISBN 9781588320681 and ISBN 1588320685.
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