Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Cwmystwyth lead Mine, plan
Paisley Patent Gas Producing Plant for the Cwmystwyth Mines Scale ¼ inch to 1 foot. March 15th 1900
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.
Amgueddfa Cymru
Paisley Patent Gas Producing Plant for the Cwmystwyth Mines Scale ¼ inch to 1 foot. March 15th 1900