Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Clydach ironworks, photograph
Jones, Robert Protheroe (Curator at Amgueddfa Cymru.)
Clydach ironworks remains showing blast furnaces nos. 1 & 2 from the south west.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.