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Show Locomotive Obeys Orders The scientific world was startled a short time ago by the invention of a toy dog which issued from Its kennel and returned ut the word of command. com-mand. The actions of the canine automaton were controlled by the length of the sounds hurled at it, which influenced the passage of ihe electrical current to make the lillle animal hop in or out, following the desires of the operator. This same principle has been applied to the operation of a toy locomotive culhd "Casey Jones," after the hero of j song and story by that name. "Go ahead, Casey," starts the engine on Its way. The command, "Stop," issued is-sued In a sharp, quick manner, brings the engine to a stop at once. These I orders are transmitted through the medium of n telephone transmitter. V |