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Search -
100 Years of Telephone Switching: Manual and Electromechanical Switching, 1878-1960's (Pt. 1)
100 Years of Telephone Switching Manual and Electromechanical Switching 18781960's - Pt. 1
Author:
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.
Author:
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.
ISBN-13: 9781586033491
ISBN-10: 1586033492
Pages: 2
Edition: 2nd
Rating: ?
ISBN-10: 1586033492
Pages: 2
Edition: 2nd
Rating: ?
0 stars, based on 0 rating
