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.
O.S. map (copy) Showing Tredegar Ironworks, Tytrist Colliery and Whgitworth Colliery, 1901 Scale : 1:2500
O.S. Map Second edition 1901. Monmouthshire Sheet XI.13. Scale 1/2500 or 25.344 inches to a statute mile or 208.33 feet to an inch - Sian Williams
