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
Group of 47 quarrymen at Twll y Mwg, Dinorwig Quarry. Two boys are holding a slate with the words ‘Twll y Mwg Oct 10 1921’ written in chalk or paint. Twll y Mwg was one of the ponciau (galleries) at Dinorwig Quarry, located in the Braich section of the quarry (Dinorwig/Deinioled side of the quarry). Photgraph mounted on card.
