Frongoch mine ruins in the 1980s. The Cornish pumping engine dominates, with its distinct yellow Flintshire brick chimney. Behind to the left, is the older pumping engine and the waterwheel/crusher. To the right is the site of the original mill ,
Frongoch mine ruins in the 1980s. The Cornish pumping engine dominates, with its distinct yellow Flintshire brick chimney. Behind to the left, is the older pumping engine and the waterwheel/crusher. To the right is the site of the original mill ,