For those who don't have it yet, here's the link to the online copies of the Bell System Technical Journal.
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Bill
Bell System Technical Journal online [telecom]
May 27, 2014
2 Replies
A more useful index to the same docs is:
There is also an archive of the Western Union Technical Journal. While the research was not as sophisticated as Bell Labs, they had a variety of interesting projects over the years, including pioneer efforts in data and microwave communications.
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