BR(S) signal box diagram (office copy No.1059) Portslade.
BR(S) signal box diagram & locking table Ferring Crossing + dog tooth diagram
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(M) original signal box diagram Unstone Colliery Sidings c.1950s
BR(S) signal box diagram (office copy) St Kew Highway
