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Download or read book Telephony Including Automatic Switching written by Arthur Bessey Smith and published by . This book was released on 1924 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Automatic Telephones an Introductory Treatise Dealing with the Fundamental Principles written by F. A. Ellson and published by . This book was released on 1924 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Download or read book 100 Years of Telephone Switching written by Robert J. Chapuis and published by IOS Press. This book was released on 2003 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this work, not only the principles by which manual and automatic systems function are distinguished, but also the background to the invention is given. This is done from the perspective of an unbiased international observer.
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