Signalling diagram
1971
Signalling diagram
1875
Signalling diagram
Signalling diagram
Signalling diagram
1876
Signalling diagram, Invergordon South box, BR. (ex Clapham)
Signalling diagram
1978
Ponders End Diagram of Signals, Great Eastern Railway
1916-05-16
Signalling diagram
Signalling diagram, Brora South box, BR. (ex Clapham)
Signalling diagram
Signalling diagram
Signalling diagram
1904
Signalling diagram
1898
Signalling diagram
1970
Signalling diagram
1951
Signalling diagram
1890-09-16
Signalling diagram
Tydd box
1896
Signalling diagram
1921
Signalling diagram
1977