100 Years of Telephone Switching

100 Years of Telephone Switching

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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.(3) The demand of American business for time- saving devices of all kinds, which has firmly established the telephone as a ... to the Moon (direct in 97 hours) about American inventive genius in the technology (ballistics) dealt with in his book. ... Only four or five of all those articles were devoted to the manual exchanges (with central battery) recently put into operation, and only two to automatic telephony.

Title:100 Years of Telephone Switching
Author:Robert J. Chapuis, Amos E. Joel
Publisher:IOS Press - 2003-01-01


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