Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Maesteg Deep Colliery, plan
Arrangement of 24" x 40", Drop valve geared hauling engine, scale: ¾ins = 1 foot. Maesteg Deep Colliery
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.