TTSS1R Sensor Signal (RH Feather) 2 Aspect Home Brand_Atomic-Mass-Games The Class 221 are similar
Description
The Class 221 are similar to the Class 220 Voyager units
a car parking meter
Consequently
HEIGHT 79mm
detailed hinges and planter pins for simple installation
TTSS1R Sensor Signal (RH Feather) 2 Aspect Home Brand_Atomic-Mass-Games The Class 221 are similarWith 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 red and will stay red for about seven seconds to let the train clear the block. It then reverts back to green. If more
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