Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Powell Duffryn Steam Coal Co.Ltd, plan
Existing boiler for No.14 Saddle Tank Loco, Messrs Powell Duffryn Coa Co. Ltd. Bargoed Colliery. Scale 1 inch = 1 foot. 22.10.19
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.