Automatic Telephony PDF ePub eBook

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Automatic Telephony free pdf Excerpt from Automatic Telephony: A Comprehensive Treatise on Automatic and Semi Systems Prior to the year 1908, the use of automatic and semi-automatic telephone apparatus was confined almost entirely to the "Independent" telephone companies of the United States of America. Since that year, its adoption, first, by the Governments of various Canadian cities and provinces, then by the Governments of Germany, Austria and France, and, latterly, by the Governments of England, Italy, Australia and New Zealand- and its introduction into Denmark, the Argentine Republic, Cuba, the Hawaiian Islands and the lands of the far East, has created a world-wide interest in this system and a general demand among telephone engineers for a more extensive knowledge of it. An endeavor to meet this demand has resulted in the preparation of this volume, which is the first to be devoted exclusively to automatic and semi-automatic telephony, or which has attempted to treat the art in the manner which its importance requires. Even within the pages of this book the authors have found it impracticable to narrate the full details of the practice of all the manufacturers. They therefore have described fully, typical circuits and apparatus of the Strowger type, with brief outlines of other important systems. The authors feel that the principles and methods brought out in these chapters are sufficiently applicable to other makes of equipment to supply the wants of students of the general art. Radical changes have been made in revising this book from the first edition. As far as possible, only live matter has been retained, live subjects introduced, and old things re-cast into such form as will be more readily understood. The writers do not believe in coddling those who are too lazy to work. Much of the thorough knowledge which people need is to be obtained only by patient, persistent, consistent study. But there is no need of hiding those fundamental principles which are simple behind the customary mass of physical material which is used in putting those principles into practice. For this reason most of the electrical diagrams have been rearranged from the stand-point of the requirements of teaching. 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.

About Arthur Bessey Smith

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Details Book

Author : Arthur Bessey Smith
Publisher : Forgotten Books
Data Published : 27 September 2015
ISBN : 1332324398
EAN : 9781332324392
Format Book : PDF, Epub, DOCx, TXT
Number of Pages : 458 pages
Age + : 15 years
Language : English
Rating :

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