I bet some of you guys would of loved to work on this
beast I had to support some of these for a while. This was like something out of lost in space with the lamps flashing away as it chunked along.
When it stopped working, more often or not cleaning all the edge connectors would get it going again. It must of been a real gem back in 1968, but I was supporting it as late as 1993

If you want to see it in operation check out this you-tube footage:
Cutting edge