pdf 65jun BLR - No. 1 ESS - [1] pp 194-213 [LARGE FILE] Popular
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No. 1 ESS Section I.pdf
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June 1965 Bell Labs Record (BLR) special Issue includes: Evolution of Telephone Switching, From Morris to Succassuna, The Stored Program, The Control Unit, Memory Devices, The Switching Network, Mechanical Design, Testing The System, Cutover, etc. -- In four downloads, part 1. 1ESS.
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