(under subclass 27) Subject matter having electrical and mechanical means used in combination for the actuation and control of roadway-signals, detents, and other track devices, irrespective of any means employed upon the train for actuating cab and control mechanism. The mechanical means may or may not utilize the energy of the moving vehicle.
SEE OR SEARCH THIS CLASS, SUBCLASS:
97, through 99 and 263, for electromechanical systems.
