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The Step-by-Step Dial Telephone System - Telephone System Training - Course: Central Office Equipment

✍ Scribed by Western Electric Company, Inc., Hawthorne Works, Industrial Relations Branch, Training Department, R. E. Rahmes

Publisher
Bell System Publications
Year
1954
Tongue
English
Leaves
59
Series
Telephone Systems Training lesson No. 3
Category
Library
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No coin nor oath required. For personal study only.

✦ Synopsis

This book is referenced from my article for pocorgtfo magazine. Also from wikipedia 'Strowger switch' article. Original URL of the book: http://wedophones.com/TheBellSystem/pdf/sxs_course_1954_imageontext.pdf

It is very definitive and heavily illustrated book about early dial telephone exchanges.

See also: Soviet telephone exchange ATC-47 md5:bbe9fc9ddf1be20fc491e8e4b997da70

✦ Table of Contents

Section 1. History and Development
Section 2. Principles of Dial Switching
Section 3. Equipment and Frames
Section 4. Distributing Frames and Relay Racks
Section 5. Method of Operation
Section 6. Power
Section 7. SxS Circuit Operation

"Step-By-Step Dial System Pamphlet No .37" is canceled and is replaced by this book

✦ Subjects

stepping-switch, stepping-relay, strowger switch

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