The Step-by-Step Dial Telephone System - Telephone System Training - Course: Central Office Equipment
Western Electric Company, Inc., Hawthorne Works, Industrial Relations Branch, Training Department, R. E. Rahmes
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
It is very definitive and heavily illustrated book about early dial telephone exchanges.
See also: Soviet telephone exchange ATC-47 md5:bbe9fc9ddf1be20fc491e8e4b997da70
კატეგორია:
წელი:
1954
გამომცემლობა:
Bell System Publications
ენა:
english
გვერდები:
59
სერია:
Telephone Systems Training lesson No. 3
ფაილი:
PDF, 8.54 MB
IPFS:
,
english, 1954