"Your looking at a analog computer by CES. This is a CES Ed-Lab 700, it has banana plug jacks, used a banana to 1/4 jack interface to use this with my modular. If you have Modcan, Cynthia, or Serge this thing is ready to rock.
This analog computer features a clock (with two 180 degree outputs) , inveters, boolean logic, flip flops, Threshold Logic, Comparator OP-Amp, , volatge meter, AND, NAND, NOR, Exclusive - OR, switches and LED displays. All the logic you will ever need for complex sequences, triggers, and noise generators."