800-5204 DT-4 Rolling Stock Detector Class-69 ‘Britomart’ was employed at the

‘Britomart’ was employed at the quarry in the Nantlle Vale

This Dennis Light 4 is based on the pump escape registered BPM 213

including the wood grain of the wood

1832A were then fitted with different headstocks and buffers

50035 ‘Ark Royal’ entered service on the August 1968

800-5204 DT-4 Rolling Stock Detector Class-69 ‘Britomart’ was employed at theDT 4 Rolling Stock Detector Details: The Circuitron DT 4 Quad Optical Detection Circuit is a versatile train detection system designed to monitor rolling stock movement and location throughout a model railway layout. Incorporating four completely independent detection circuits on a single board, the DT 4 provides an efficient and flexible solution for hidden staging yards, concealed trackage, train positioning, automation and accessory control. Using