TTSS4T Sensor Signal (Theatre Indicator) 3 Aspect Distant 2018-Range can be enjoyed when using

can be enjoyed when using this model on analogue control (DC) straight from the box

DC control switches accessible via a lift off roof panel

the military ordered a change in the thickness of the frontal armour from 60mm to 80mm

Larger diameter idler wheels were introduced at the same time

Examples lasted into the 1970s

TTSS4T Sensor Signal (Theatre Indicator) 3 Aspect Distant 2018-Range can be enjoyed when usingWith 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