Whirlwind alarm recycle control mod II
The record contains a module with an indicator light and a push button on the front. At the back there is a relay and three BNC connectors.
Massachusetts Institute of Technology (MIT)
||Handwritten on a white sticker in the lower right corner on the front of the panel.
||Stamped in white on a black plastic label on the front of the panel.
overall: 3 1/2 in x 19 in x 6 1/2 in
Gift of the Digital Equipment Corporation