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
Part of the water balance gear, Big Pit Mining Museum, early 1990s. The water balance was originally sited at Brynpwllog "Old Shaft" (Rogers Pit), Blaen-carno, Rhymney, Mon.
