Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
W.G. Allen & Sons Ltd. colliery equipment drawings
Engineering Drawing Round corner pit tub, March 1925, Drg.No.01302 Scale : 3" to 1 foot
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.