Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Hafodyrynys Colliery, slide
N.C.B. locomotive NASMYTH at Hafodyrynys Colliery.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.
Amgueddfa Cymru
N.C.B. locomotive NASMYTH at Hafodyrynys Colliery.