Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Bargoed Colliery, plan
Babcock & Wilcox Ltd Renfrew Cont. 29936 Powell Duffryn Bargoed. Arrangement of Boiler foundations Scale 3/8" = 1 foot. 6.2.10 DRG 29936/E.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.