The Bell System Technical Journal, 1933, Vol. 12 (Classic Reprint)
Language: English
Published by Forgotten Books, 2024
- Softcover
- New
Seller: Forgotten Books, London, United KingdomForgotten Books
AbeBooks seller since June 2, 2021
Condition: New
£ 20.13
Quantity: Over 20 available
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Print on Demand. This book delves into the fascinating history of telephone cable insulation, charting the evolution of a vital component in the communication revolution. The author traces the shift from early cotton insulation to the adoption of spirally wrapped paper insulation, a technological advancement that revolutionized the industry in the late 1880s. The book then focuses on a groundbreaking development: pulp insulation, a novel approach that integrated paper making directly into the cable manufacturing process. The author, with impressive detail, describes the challenges and successes of this revolutionary technique, outlining the complexities of machinery design and process optimization. The book not only presents the technical details of pulp insulation but also explores the economic benefits, demonstrating its potential to significantly reduce manufacturing costs. The author thoroughly discusses the electrical characteristics of pulp insulation, comparing its properties to those of traditional materials. In the final chapters, the author examines the practicality of implementing pulp insulation in the field, offering valuable insights into its installation and splicing techniques. The book concludes with a compelling look at the future of pulp insulation, outlining its potential for wider applications in communication technology. The book stands as a testament to the enduring ingenuity and innovation that fueled the development of modern communication infrastructure. 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.…
Seller Inventory # 9781527820876_0
- Title
- The Bell System Technical Journal, 1933, Vol. 12 (Classic Reprint)
- Author
- Philander Norton
- Publisher
- Forgotten Books
- Publication year
- 2024
- Condition
- New
- Book Type
- print-on-demand item
- Binding
- Paperback
- Language
- English
- ISBN 10
- 1527820874
- ISBN 13
- 9781527820876
- Seller catalogs
- Electronics
Pen wires were almost universally used for the transmission of speech in the days when telephony was young but gradually as the need arose the art of cable making was evolved. Today, except in the rural districts, the open-wire lines have been almost entirely re placed by aerial or underground cable. The conductors in the early metal covered cables were insulated with one or two servings of cotton but in the late eighties Bell System engineers developed a spirally wrapped paper insulation so much better electrically and lower in cost that it was shortly adopted as the standard insulation for telephone cables by the growing industry.' Now after some forty years of service this type of insulation is being rapidly displaced for inter Office and subscriber loop cables by a pulp insulation applied directly to the conductor by a process which brings the paper mill into the cable plant and combines the paper making and insulating operations into one process with the elimination of a number of costly intermediate steps. In addition, this process makes possible the use of a less expensive material as an insulating medium.
In order to establish a background for the logical consideration of the pulp insulation development it is desirable to cover briefly the materials, equipment and methods that have gradually been developed for the rapid application and economic use of paper ribbon insulation and indicate the limitations involved.
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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Forgotten Books
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Forgotten Books’ Classic Reprint Series utilizes the latest technology to regenerate facsimiles of historically important writings. Careful attention has been made to accurately preserve the original format of each page whilst digitally enhancing the quality of the aged text.
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Forgotten Books publishes hundreds of thousands of rare and classic books.
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.
This text has been digitally restored from a historical edition. Some errors may persist, however we consider it worth publishing due to the work's historical value.
The digital edition of all books may be viewed before purchase if you request a sample.
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