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The Bell System Technical Journal, 1938, Vol. 17: A Journal Devoted to the Scientific and Engineering Aspects of Electrical Communication (Classic Reprint) - Softcover
Inhaltsangabe
Excerpt from The Bell System Technical Journal, 1938, Vol. 17: A Journal Devoted to the Scientific and Engineering Aspects of Electrical Communication
During the last few years new methods and apparatus have been developed and radical changes made that greatly improve the situa tion both from an economic and operating standpoint. The new measuring instruments are much less costly than the types heretofore available and are as stable in operation and as simple to use as am meters and voltmeters. In the local plant the decrease in cost and complexity and improvement in operating methods has justified per manent installations in many of the larger offices while the newer forms of portable apparatus are being much more extensively distributed than earlier types. For the toll plant the improvement consists in doing away largely with the centralized transmission testing point. The regular test board force now can make transmission measure ments at their test boards and the r'epeater attendants can measure the performance of the repeaters while working on them. The work is so simple and the maintenance forces are so well trained that a special transmission testing force is not required.
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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.
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Excerpt from The Bell System Technical Journal, 1938, Vol. 17: A Journal Devoted to the Scientific and Engineering Aspects of Electrical Communication
During the last few years new methods and apparatus have been developed and radical changes made that greatly improve the situa tion both from an economic and operating standpoint. The new measuring instruments are much less costly than the types heretofore available and are as stable in operation and as simple to use as am meters and voltmeters. In the local plant the decrease in cost and complexity and improvement in operating methods has justified per manent installations in many of the larger offices while the newer forms of portable apparatus are being much more extensively distributed than earlier types. For the toll plant the improvement consists in doing away largely with the centralized transmission testing point. The regular test board force now can make transmission measure ments at their test boards and the r'epeater attendants can measure the performance of the repeaters while working on them. The work is so simple and the maintenance forces are so well trained that a special transmission testing force is not required.
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.
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The Bell System Technical Journal, 1938, Vol. 17: A Journal Devoted to the Scientific and Engineering Aspects of Electrical Communication (Classic Reprint)
Anbieter: PBShop.store UK, Fairford, GLOS, Vereinigtes Königreich
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PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000. Bestandsnummer des Verkäufers LW-9780282916060
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The Bell System Technical Journal, 1938, Vol. 17: A Journal Devoted to the Scientific and Engineering Aspects of Electrical Communication (Classic Reprint)
Anbieter: PBShop.store US, Wood Dale, IL, USA
Verkäuferbewertung 5 von 5 Sternen
PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000. Bestandsnummer des Verkäufers LW-9780282916060
Anzahl: 15 verfügbar
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The Bell System Technical Journal, 1938, Vol. 17 (Classic Reprint)
Print-on-DemandAnbieter: Forgotten Books, London, Vereinigtes Königreich
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Paperback. Zustand: New. Print on Demand. This book provides an extensive overview of transmission measuring systems for telephone circuit maintenance, describing the development and application of these systems from their inception to the present day. The author traces the history of transmission measurements, examining the evolution of techniques and instruments used to measure the performance of telephone circuits. The book explores the principles underlying these systems, including the use of negative feedback amplifiers and rectifiers, and discusses the practical applications of these systems in the maintenance of local and toll telephone circuits. The author provides a detailed examination of the latest transmission measuring systems, highlighting their advantages and limitations. Through its comprehensive analysis of transmission measuring systems, this book offers valuable insights into the maintenance and performance of telephone circuits, making it an essential resource for telecommunications engineers and technicians. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Bestandsnummer des Verkäufers 9780282916060_0
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