ENGLISH

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

Book information

Publisher
Bell System Publications
Year
1954
Language
english
Format
PDF
Filesize
9 MB (8952272 bytes)
Series
Telephone Systems Training lesson No. 3
Pages
59\59
Time added
2020-06-19 18:38:44

Description

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 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

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