Excerpt from Geographic Tables and Formulas Rules for solution of right-angled triangles. Reduction to center Graphic reduction to center Solution of triangles, two sides and included angle being given Three-point problem Graphic solution of the three-point problem Micrometer. Alidades - determination of constant and value of division Method of fixing a meridian at any time by hour angle Tables. 1. Polaris: times of culmination and elongation Polaris: azimuth at elongation Polaris: azimuths at different hour angles. 0 Polaris: azimuths and altitudes at different hour angles Example of use of projection tables. 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.