The British Mariner's Assistant: A Practical Introduction To Finding The Longitude At Sea, By Lunar Observations (1817)

The British Mariner's Assistant, written by Thomas Evans in 1817, is a practical guide for sailors on how to determine longitude at sea using lunar observations. The book provides detailed instructions on how to use a sextant, calculate lunar distances, and make corrections for various factors that could affect the accuracy of the observations. It also includes tables and diagrams to aid in the calculations. The author emphasizes the importance of accurate navigation for the safety of the crew and the success of the voyage. The book is written in a clear and concise style, making it accessible to both experienced sailors and those new to navigation. Overall, The British Mariner's Assistant is an invaluable resource for sailors seeking to improve their navigation skills and ensure a successful voyage.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.