Show electric bill saver two new orleans men have invented a time switch without clock works and springs the principal object of which seems to be telephone and light bill savings the recently patented device is composed of two cylinders and a plunger the lower cylinder is filled with compressed air forcing the plunger into the other cylinder A thumbscrew thumb screw regulates the length of time it takes for the plunger to descend the inventors have successfully applied their invention to turning oft off the lights of a display window and to disconnecting the telephone when a long dis tance call goes beyond three minutes |