Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Blaenavon Ironworks, technical drawing
Engineering Drawing/Sketch : Blaenavon, elevation of wall between Nos. 1 and 4 furnaces. Scale 1:50, from available measurements August 1975.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.