Excerpt from Rudimentary Magnetism: Being a Concise Exposition of the General Principles of Magnetical Science and the Purposes to Which It Has Been Applied The three parts alluded to by the author in his Prefaces to the first edition are in the present volume amalgamated. The first Preface refers to the five first chapters (therein spoken of as the two Parts of the present Treatise The subsequent portion of the work, with the exception Of Chapter VIII. Mentioned below, is the Supplementary Treatise alluded to in the author's second Preface. NO attempt has been made to alter in any degree the general character or style of the work; written as it is throughout with that admirable perspicuity which characterizes all the writings Of its distinguished author. 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.