Show Engineers Devise Radio Control Over Blackouts NEW HAVEN Conn April 21 UP UP-An UP An automatic device which blacks out a whole city by remote control radio apparatus apparatus apparatus appa appa- ratus has been invented by two Yale ale university engineers it was announced Tuesday The device which is a receiving receiving ing set can be De tuned to the frequency of a radio station When the station go goes goes goes' 1 off ort theair the theaIr theair air in the event of eX an an air raid the device automatically automatically- shuts off all the lights over which it has control It turns the lights on when the clear all sounds The instrument is the invention invention tion of Frederick E. E Brooks Austin Texas and Herbert L. L Krauss Topeka Kan who are arc instructors in electrical engi engi- I |