Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Slate Quarries as an Investment (booklet)
32- page cream booklet with black print. "Slate Quarries as an Investment": a series of seven articles published in the "Mining Journal" by John Bower (managing director of the Snowdon Slate Quarries Co. Ltd.)
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.