""The Sextant And Other Reflecting Mathematical Instruments"" is a comprehensive guidebook on the use and maintenance of various mathematical instruments used in navigation, astronomy, and surveying. Written by Frederick Roland Brainard and originally published in 1891, the book provides detailed instructions on how to use and adjust sextants, octants, and other reflecting instruments to accurately measure angles and distances. The author also offers practical tips and advice on how to overcome common errors and challenges that may arise during the use of these instruments. The book is a valuable resource for sailors, astronomers, surveyors, and anyone interested in the history and mechanics of these fascinating tools.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.