Object is a large rack-mount panel. Object was accompanied by a hand-written paper scrap "PULSE CONTROL". The front has a legend "MAGNETIC TAPE ERASE CONTROL" on a door bearing four sets of controls. Each set has pushbuttons and a red indicator light with legends including "UNIT" "PRINT OUT" and "ERASE" repeated for each of the four units. Inside the door is a resistor block and the wiring of the buttons. On the back are a number of cable connectors with hacked-off stubs of cable, and a connector block.