TTSS4R Sensor Signal (RH Feather) 3 Aspect Distant Brand_Wills-Modern as a key part of

as a key part of the odometer mechanism

Braked) In the 1970s BR started to put new bodies on hopper wagons built in the 1940s and 1950s

a shelf with various rule books lined up

and two styles of plated boiler panel

Curve Degree    60

TTSS4R Sensor Signal (RH Feather) 3 Aspect Distant Brand_Wills-Modern as a key part ofWith 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