Whirlwind vacuum tube rack
Massachusetts Institute of Technology (MIT)
||Engraved on a plastic plate
||Stamped in white on the top of the rack and handwritten in black marker on the underside of the rack.
overall: 12 in x 26 in x 7 1/2 in
The record contains a ten module vacuum tube rack with seven modules installed. There are forty BNC connectors labeled J1-1 through J10-4. There are two power terminal blocks on the right side.