9780282679101 - The Sumner Line (Classic Reprint): Or Line of Position as an Aid to Navigation: Or Line of Position as an Aid to Navigation (Classic Reprint) di Comstock, George C.... (4 risultati)

PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

Paperback. Condizione: New. Print on Demand. This book is a guide to using the Sumner line method, a technique for determining a ship's position at sea. Developed in the 19th century, this method revolutionized nautical navigation by offering a more accurate alternative to traditional dead reckoning. The author explains the fundamentals of the Sumner line, which relies on celestial observations and calculations to determine a ship's location, focusing on the principles of astronomy and spherical trigonometry. The book provides a clear and concise explanation of the Sumner line, breaking down the complex calculations into manageable steps and incorporating numerous illustrative examples. It delves into the various methods of utilizing the Sumner line, including the Marc St. Hilaire technique, and examines the use of the Spherical Traverse Table, a tool crucial for solving spherical triangles. Through its comprehensive approach, the book equips readers with the practical skills and knowledge necessary to master the Sumner line method, empowering them to navigate the vast expanse of the ocean with confidence. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.

Paperback. Condizione: Brand New. 90 pages. 8.94x5.98x0.32 inches. This item is printed on demand.