Please post updates as you go!!!
Sure, at least it's both historical and Unix.
The CH11 device is for all SIMH Unibus computers, so VAX, PDP-11, and
PDP-10 (KS1). There supposedly were patches for PDP-11 Unix too, but I
haven't seen them so far.
I'm always interested in obsolete dead ends like
Why oh why is there such a high correlation between archaic obsolete
systems and sheer hacking joy? I'm just dying to have MagicSix on
Chaosnet, but it's not to be.