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Author: Sumner, Thomas H.
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.
Publication info: Ann Arbor, Michigan: University of Michigan Library
2005
Availability: Where applicable, subject to copyright. Please go to http://quod.lib.umich.edu/t/text/accesspolicy.html for more information.
Print source: 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.
Sumner, Thomas H.

Boston: T. Groom & co., 1851.
Subject terms:
Sumner's method
URL: http://name.umdl.umich.edu/aan0447.0001.001

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