It was published by the Signalling Record Society in 1984. It has pin holes in the corners and is a bit worn.
BR(S) signal box diagram & locking table Ferring Crossing + dog tooth diagram
PHOTO HUNGERFORD SIGNAL BOX DIAGRAM NEW BOX 1976
BR(S) original signal box diagram Moreton 1965
BR(S) signal box diagram (office copy) Gunnislake 1966
BR(M) original signal box diagram Witton Goods (Birmingham) c.1960
BR(S) signal box diagram (office copy) Portslade
