Excerpt from Sun's True Bearing, or Azimuth Tables, Computed for Intervals of Four Minutes, Between the Parallels of Latitude 30 N. And 30 S., Inclusive: With Instructions for Using the Tables in Danish, Dutch, French, German, Italian, Portuguese, Russian, and Spanish The increasing quantity of iron used in the construction of wooden ships and the increasing number of iron ships, render a ready and simple mode of asoer taining the deviation of the compass of paramount importance to the safety of a vessel, as well as to ensure a quick passage by steering exactly the course intended. As is well known, the deviation is not constant, either with regard to the direction of the ship's head, or her position on the globe, the careful navigator is therefore alive to the necessity of checking his compasses by observation, and the greater the facility rendered him for this purpose the more frequently will the observations be made. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.