RA 8451 ALLOY SINGLE LINE KEY" COLNBROOK-WEST DRAYTON WEST" ship-zone-g and historic railway treasures

and historic railway treasures

This item is in very good condition and not easy to find

later the company combined the two separate instruments into the standard double block type which was eventually replaced by the G

This item is in very good ex railway service condition

RA 8451 ALLOY SINGLE LINE KEY" COLNBROOK-WEST DRAYTON WEST" ship-zone-g and historic railway treasuresAn early pattern Great Western Railway "parallel" shank single line key COLNBROOK WEST DRAYTON WEST, this box was originally name WEST DRAYTON & YIEWSLEY WEST SIGNAL BOX . Colnbrook signal box was a very busy location supervising a level crossing. This key is in very good ex railway service condition although the red had been repainted. This is an "A" pattern configuration.