TTSS4R Sensor Signal (RH Feather) 3 Aspect Distant Brand_Wills-Modern 21 indexed track positions at

21 indexed track positions at 15-degree intervals

BR built 875 of these wagons between 1954 and 1960 for use on the West Country china clay workings

lamp irons and brake control apparatus (Brake coaches only)

several improvements and alterations were made with feedback from the front lines

as a key part of the odometer mechanism

TTSS4R Sensor Signal (RH Feather) 3 Aspect Distant Brand_Wills-Modern 21 indexed track positions atWith the use of the Sensor Signal developed by Train Tech you can easily add automatic signalling into your layout in seconds. The signals work by detecting a locomotive, or full train passing by it using a very small infrared sensor built in to the signal base. As soon as the locomotive has passed the sensor the signal changes to yellow and will stay yellow for about seven seconds to let the train clear the block. It then reverts back to green. If