It's a huge effort to keep large old hardware going. It took a major effort to restore one IBM 1401 at the Computer Museum in Mountain View. The Connections Mu

It's a huge effort to keep large old hardware going. It took a major effort to restore one IBM 1401 at the Computer Museum in Mountain View. The Connections Museum in Seattle has several working telephone central office switches.[1] They're only open for a few hours a week. I wonder how much longer that will last. [1] https://www.telcomhistory.org/connections-museum-seattle/ https://www.telcomhistory.org/connections-museum-seattle/