226 pp. Cover is blue with black and white lettering on spine; light bumping on edges; small dent in front cover. DJ has some edge wear and rubbing and is a double thickness, folding out into a map of Massachusetts Bay. Pages are clean and tight. Illustrated with some b/w drawings/diagrams. Some chapters are: Dead Reckoning Track; Depth Sounding; Running Fix; Tides; Fog; and two appendices. ; B&W Illustrations; 8vo ; 226 pages

Sailing;  Navigation;  Marine;  Boating;  Seamanship;  Sailing;  Navigation;  Marine;  Boating;  Seamanship;  Dead  Reckoning;