Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Oakley Slate Mine incline diorama
Diorama/model illustrating typical incline and stairway descents to underground chambers in Oakley Slate quarries, Blaenau Ffestiniog.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.