Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Gas Machine, Plan
German. Powell Duffryn Steam company, plan for gas machine. 8 January 1906
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.
Amgueddfa Cymru
German. Powell Duffryn Steam company, plan for gas machine. 8 January 1906