Device that brings train to halt when it passes red signals.
Title reads: "NEW SAFETY DEVICE".
New safety device installed by London-Midland for trains on St. Pancras to Bedford route: invention automatically brings train to halt when it passes a red signal.
L/S train moving slowly past camera. Travel shot from cab as train goes along. C/U train driver. Travel shot as train goes along; it goes over magnetic device and the horn starts. C/U driver pressing button and stopping horn. C/U indicator in cab warning the driver to watch for signals. Travel shot train moving towards green signal; the all-clear bell starts ringing. C/U indicator in driver's cab changing to all black which means that he can disregard the signal alert. Travel shot from cab as train goes along. M/S train coming towards camera, pan to the magnetic operator on the track; the train goes over it and the horn starts. Angle shot red signals. Travel shot from train as the driver holds his hands away from control. C/U driver holding up his hand, train slowing down. Travel shot as the train slows down and comes to a halt where the horn stops.