Excerpt from Elementary Magnetism and Electricity: Prepared in the Extension Division In order that the subject may interest men in the electrical industries who are not technically trained, some practical ap plications of the fundamental magnetic and electric-principles are illustrated and described. It is the writer's experience that such a presentation appeals strongly to the industrial worker who wishes to understand the how and why of things electrical. The text is intended for individual or home study, although it may be used in class work when a supply of apparatus is available. This apparatus 1s Inexpensive and most Of it can be made by 'an ingenious student. It need not be exactly like that described in the text. The conversational style in which the work is written has been found very helpful in correspondence instruction as it seems to establish a personal relation between the student and instructor. Although the text has been prepared for use in correspondence instruction, it is hoped that it may be of service to continuation schools, Y. M. C. A. Schools, and plant schools that give a course of like nature. The author is under obligation to Mr. G. C. Thompson, engineer of the Cutler Hammer Company, for reading the manu script and for making many valuable suggestions, and to Mr. G. R. Wells for making the line drawings. The author also wishes to express his appreciation of the kindness of the various manufacturers Of electrical apparatus and machinery who have furnished illustrative material. 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.