The Practical Telephone Handbook and Guide to the Telephonic Exchange (Classic Reprint)

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Excerpt from The Practical Telephone Handbook and Guide to the Telephonic Exchange This standardisation, and the general adoption of central energy working, has led to a more scientific study and treat ment of the problems involved, especially In connection with traffic and the designing of exchanges. The necessities of central-energy working and the line loading arrangements of Professor Pupin and others have also led to more definite appreciation of the value of the best line construction, and to the better designing of lines for economical transmission. 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.