Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Blasting in Collieries (booklet)
2nd Edition. 51 page booklet illustrated with black & white photographs.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.
Amgueddfa Cymru
2nd Edition. 51 page booklet illustrated with black & white photographs.