A New And Accurate Method Of Finding A Ship's Position At Sea, By Projection On Mercator's Chart (1851) : Kessinger Publishing : 9781169019690 : 1169019692 : 10 Sep 2010 : A New And Accurate Method Of Finding A Ship???????s Position At Sea, By Projection On Mercator???????s Chart (1851) is a book written by Thomas H. Sumner. The book provides a detailed explanation of a new and improved method for determining a ship's position at sea by projecting it onto Mercator's chart. The book was published in 1851 and was considered a significant innovation in navigation techniques. The author explains the method step by step and provides examples to help the reader understand the process. The book is a valuable resource for sailors, navigators, and anyone interested in the history of navigation. It is written in the English language and is still widely used as a reference book today.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as