Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Abernant Colliery, technical drawing
Engineering drawing (photocopy) : counter weight changing bridge: North Shaft 1959 Scale : ½" to 1 foot
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.