Unknown number located on metal label plate affixed on proper left side upper corner
overall: 69 in x 64 1/4 in x 29 1/2 in
This object is an exchange engineering control panel. It is a metal framed cabinet displaying rows of lights, dials, knobs, switches, a volt meter and eight front pull out modules. Back of cabinet includes IBM Potential detector and clamp which looks like a call box as well as circuit boards and wiring. IBM Customer Engineering Incident reporting IR Log book located in back of the cabinet.