Pugsley's Dead Reckoning: Including the Various Methods of Finding Course and Distance by Mercator and Middle Latitude Sailings an Examination Specialty (Classic Reprint)
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Excerpt from Pugsley's Dead Reckoning: Including the Various Methods of Finding Course and Distance by Mercator and Middle Latitude Sailings an Examination Specialty
Usually the separate subjects covered by the term naviga tion and nautical astronomy are too roughly generalized for one to readily understand, the result being a constantly in creasing demand for a special work for the use of those wish ing to study navigation with the intention of obtaining a U. S. Local Inspectors license.
The selection and arrangement of the various methods and explanations in detail of keeping track of a ship by dead reck oning or account, including Mercator and middle latitude sailings, and use of logarithms are not written from theory alone, but from actual practice, and several years' experience as a nautical instructor, which makes possible the production of this volume for the beginner.
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