excerpt from tymnet's wikipedia page

In January 1999, both XKL servers (ticket and token) were decommissioned. In late 2003 the hardware left onsite in San Jose was accidentally scrapped by the facilities manager during a scheduled cleanup.

ouch! big bad mistake, there should be a program like national monuments funded by the state to protect pieces of history of the computing age like this one which faded into oblivion due to not enough people knowing about the shceduled decommission or planned out phasing.

http://en.wikipedia.org/wiki/Tymnet