Thyratron-reactor Theatre Dimming Control. G-E Console-type Pilot Control Board with 5 Preset and Rehearsal Controls per Circuit, 313 Individual Controls, 4-color House and Stage-grand, Supplementary, Color and Group Masters and Scene Fading. Installed by Edwards Electrical Construction Co. in Radio City Music Hall. Req.N-512166, Cont.GE-52594.
General Electric Company