These cookies are absolutely essential for our website to function properly.
We use Google Analytics to measure how you use the website so we can improve it based on user needs.
These cookies may be set by third party websites and do things like measure how you view YouTube videos.
Amgueddfa Cymru – Museum Wales
"Great Western Railway. Instructions for Working Traffic to and from the Pontypool Gas and Water Company's Reservoir Siding near Cwmavon." Issued by H. Y. Adye of Divisional Superintendent's Office, Cardiff, 17th September, 1894. Black print on white paper with copy of handwritten letter in blue ink on other side.