Excerpt from Absolute Measurements in Electricity and Magnetism Measure contributed to Nature during the winter of 1882-3 but as these were being reprinted, many alterations and additions suggested themselves, which it was thought would render the book more generally useful. Most of the additional matter' is mentioned in the introductory chapter, but _i may here refer to a sketch of the theory of alternating machines, and of methods of measurement available in such Cases, contained in Chapter X., and to Chapter XII. On the Dimensions of Units, which I have thought it desirable to introduce. 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.