Download or read book Line of Position Navigation written by Michel Vanvaerenbergh and published by Unlimited Publishing LLC. This book was released on 2003 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes reprint of Thomas A. Sumner's A new and accurate method of finding a ship's position at sea, by projection on Mercator's chart (Boston: T. Groom, 1843) as well as translations of Marcq Saint-Hilaires's Note sur la determination du point (originally published in Revue maritime et coloniale, Oct. 1873) and Calcul du point observe (originally published in Revue maritime et coloniale, Mar.-Aug. 1875).