Excerpt from Electrical Engineering, Vol. 1His volume is designed to serve as a text-book for Elementary Courses in Electrical Engineering in technical institutions. Naturally one of the main purposes of such a book is to teach first principles and while matters of practical utility have been included, an endeavour has been made to avoid overloading it with descriptive details which are more appropriate to oral than to written exposition.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.