100 Years of Telephone Switching: Manual and Electromechanical Switching, 1878-1960's (Pt. 1)
Book Details
Author(s)
Robert J. Chapuis, Amos E. Joel
Publisher
Ios Pr Inc
ISBN / ASIN
1586033492
ISBN-13
9781586033491
Availability
Usually ships in 24 hours
Sales Rank
#4,720,647
Category
Technology & Engineering
Marketplace
United States 🇺🇸
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Description
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.
