Signalling diagram, Invergordon South box, BR. (ex Clapham) Signalling diagram, Invergordon South box, BR. (ex Clapham)
Signal arm, London & North Western Railway, distant type. Signal arm, London & North Western Railway, distant type.
Signal, route indicator, metal semaphore type, Stockton & Darlington Railway. Signal, route indicator
Signal, hand-operated stop signal, Stockton & Darlington Railway, triangular board, c1845. Signal, hand-operated stop signal
Telegraph block instrument, stop signal repeater, upper quadrant, London Midland & Scottish Railway, in bakelite case. London Midland & Scottish Railway stop signal repeater