Theory and Practice of Navigation is a comprehensive guide to the principles and techniques of navigation written by Henry Evers in 1873. The book covers a wide range of topics related to navigation, including the use of instruments such as the compass, sextant, and chronometer, as well as the calculation of latitude and longitude, dead reckoning, and the use of charts and maps. Evers also provides detailed instructions on how to navigate in different weather conditions, how to deal with currents and tides, and how to navigate in unfamiliar waters. The book is written in a clear and concise style, making it accessible to both novice and experienced navigators. It is an essential resource for anyone interested in the history of navigation or the practical application of navigation techniques.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.