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Books by Thomas H. Sumner

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3 books found
A New and Accurate Method of Finding a Ship's Position at Sea, by Projection on Mercator's Chart (1851)
A New and Accurate Method of Finding a Ship's Position…
By: Thomas H. Sumner
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A New And Accurate Method Of Finding A Ship's Position At Sea, By Projection On Mercator's Chart (1851)
A New And Accurate Method Of Finding A Ship's Position…
By: Thomas H. Sumner
View Details
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 ... for Practice, and Examples from Actual O
A New and Accurate Method of Finding a Ship's Position…
By: Thomas H. Sumner
View Details