OMG!
This is a 24 bit computer that Bob Supnik knows a lot about. It has an
interesting history, started out as something for the military and
Foxboro bought out the production run. Foxboro switched to DEC for their
later products.
I have the docs on bitsavers
http://www.bitsavers.org/pdf/foxboro
This machine needs to be saved, if that's possible.