BR(W) signal alterations notice (No. S.2404) Trowbridge, July 1959.
GWR signal alterations notice Little Mill Junction Signal Box 1939
GWR signal alterations notice Little Mill Junction Signal Box 1938
BR(W) signal alterations notice Kensington North Main 1967
BR(W) signal alterations notice Stage 3 Cardiff Multiple Aspect Signalling 1966
BR(W) signal alterations notice Chippenham East 1958
BR(W) signal alterations notice Repairs to River Bridge at Penpergwm 1957
