A new and accurate method of finding a ship's position at sea, by projection on Mercator's chart ... The principles of the method being fully explained and illustrated by problems, examples, and plates, with rules for practice, and examples from actual observation. By Capt. Thomas H. Sumner.

Title: A new and accurate method of finding a ship's position at sea, by projection on Mercator's chart ... The principles of the method being fully explained and illustrated by problems, examples, and plates, with rules for practice, and examples from actual observation. By Capt. Thomas H. Sumner.
Author: Sumner, Thomas H.
Publication: Boston,: T. Groom & co.,; 1851.
Rights/Permissions: These pages may be freely searched and displayed. Permission must be received for subsequent distribution in print or electronically. Please go to http://www.umdl.umich.edu/ for more information.
Subject terms: Sumner's method
Link to this Item: https://name.umdl.umich.edu/AAN0447.0001.001
Cite this Item: "A new and accurate method of finding a ship's position at sea, by projection on Mercator's chart ... The principles of the method being fully explained and illustrated by problems, examples, and plates, with rules for practice, and examples from actual observation. By Capt. Thomas H. Sumner." In the digital collection Making of America Books. https://name.umdl.umich.edu/AAN0447.0001.001. University of Michigan Library Digital Collections. Accessed May 16, 2024.

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