Excerpt from What Is Electricity? I'have used in this treatise various popular lectures which I have delivered, and certain articles which I have published in the Chautauquan, the Popular Sci ence Monthly, the American Journal of Science, and the London Philosophical Magazine. 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.