ELECTRICITY ITS NATURE AND FORMS

ISBN: 9780282338602 Géneros: TJF Sinópsis: Excerpt from Electricity Its Nature and Forms With a Study on ElectroTherapeuticsWm a second edition before trying to answer this Iwill answer another question viz Why a first edition Over forty years agowhilst a student at school electricity had a peculiar charm for me The chemistry then in use gave a good description illustrated by plates of the machinery in use and as a textbook was all that was necessary to teach the elementary part of this subject In particular it illustrated electrical induction Later when a student of medicine I learned what was then known of the electromagnetic machine and of the mag netoelectric machine These machines gave only the induced current At this time I only learned that there was an induced current in use this is What isnow called the secondary induced current Of this information I was quite proud and rather set myself up as a critic or a teacher Some years ago an artisan near my office made a machine for winding silk or cotton around a wire for the purpose of insulating it and in order to show how well this work was done he made from this wire so insulated the necessary coils for an electromagnetic machineAbout the PublisherForgotten Books publishes hundreds of thousands of rare and classic books Find more at wwwforgottenbookscomThis book is a reproduction of an important historical work Forgotten Books uses stateoftheart 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