Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Weekly Report of Machinery, Gear, and other Appliances (ledger)
Weekly Report of Machinery, Gear, and other Appliances (other than Winding Machinery, Gear etc.). Hamstead Colliery (1930) Ltd.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.