Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Duke of Edinburgh dry dock, Swansea, photo.
Colour photograph showing keel blocks on the dock floor of the Duke of Edinburgh dry dock, Swansea, 27 March 1983.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.