Encyclopedia : S : SL : SL1 (16 articles)

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SL-1
This article or section is in need of attention from an expert on the subject.Please help recruit one, or improve this page yourself}} if you can. See [discussion page] for details. The SL-1, the Stationary Low-Power Reactor Number One, was a U.S. experimental military nuclear power rea..
SL1
redirect [[Template:Not verified]] SL1 was the first practical digital PBX (Public Branch eXchange, or private telephone switchboard), and in many ways, the first practical digital switch. It was developed in the early 1970s at Bell-Northern Research and sold by Northern Electric (later Nortel Netw..

 

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