A Practical Introduction To Spherics And Nautical Astronomy is a book written by Patrick Kelly in 1796. It is a comprehensive guide to the principles of spherics and nautical astronomy, which were essential for navigation at sea during the 18th century. The book covers topics such as the principles of spherical trigonometry, the use of the sextant, and the calculation of latitude and longitude. It also includes practical examples and exercises to help readers understand the concepts. This book was considered a valuable resource for sailors and navigators during the 18th and 19th centuries and is still used as a reference by historians and scholars today.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.

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