Excerpt from Wireless Telegraphy, Vol. 1 of 2: General Theory and PracticeMany of those attending classes with the intention of becoming wireless operators have little, if any, preliminary knowledge of electrical matters, or indeed of scientific phenomena in general. Many amateurs, who are quite expert in the ordinary manipula tion of radio apparatus, miss much of the fascination of this interesting hobby because they do not understand the fundamental principles on which it is based.The author, in the course of writing this text-book on Wire less Telegraphy, has always kept before his mind the special requirements of such students.Several excellent treatises on radio-telegraphy are at present available, as a general rule, however, these deal with theoretical considerations in a manner which can be thoroughly only by those who have already become acquainted with the theory of electrical science, and who understand, to some extent, the significance of the technical terms associated therewith.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.