Excerpt from The A-B-C of Wireless Telegraphy: A Plain Treatise on Hertzian Wave Signaling; Embracing Theory, Methods of Operation, and How to Build Various Pieces of the Apparatus Employed IN the following, pages it is the aim of the author to give some information relating to Wire less Telegraphy: the theory, the apparatus em ployed, and the methods of Operation. Directions are also given for making some of the various pieces of apparatus, and illustrations are inserted where they will make the text clearer. I have made no attempt to make this a technical work, but rather to give the information in such plain. 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.