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Amgueddfa Cymru – Museum Wales
Grey cover with black print. Full Title - British Railways - Western Region, Notice to Enginemen, Guards, etc. Introduction of Stage 3 (Tremains East to Llantrisant West) of the Port Talbot Extension Multiple Aspect Signalling Scheme. Dated 26th and 27th June, 1965. For the use of employees only. Inner pages have a pull out plan of the signalling scheme.
