Excerpt from Bell's Mathematical Tables: Together With a Collection of Mathematical Formulae, Definitions, and Theorems My thanks are due to my friends, Professor Alfred W. Porter and Professor E. N. Da C. Andrade of London, and to Professor L. V. King of Montreal, for many valuable hints, and for reading part of the ms.; and to the publishers for the care they have bestowed upon my work. 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.