It's an HP (now Agilent) 1650A - the Agilent website says it's 80 channel, but we only have 2 probe block things, manuals are here:
There is some python code to talk to it's serial port here:
It dosn't do much, but being able to dump the data and convert it so .sla format is helpful.
The unit requires a PS/2 keyboard and mouse for optimal use. There is a keyboard in the electronics area with the unit.