Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Callands Pit, notes
unknown
()
Handwritten notes and diagrams relating to the specifications of pumps and shafts at Callands Pit, west Glamorgan. Three pages.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.