> Take the IBM System/7. Successor to the 1800, succeeded by the > Series/1. They were *ubiquitous* - one in every telephone exchange in > the USA, I've heard. They even made a special ruggedised version for > shipboard use. Yet they're functionally *extinct*...Unless anyone knows > different, no complete > systems exist. They're extinct, and that's a scandal and a shame.
There exist S/7s in museums in Finland and (I think) Japan. No doubt there are some still hidden away. As of 15 years ago, bigger MCI sites had System/88s. -- Will
