Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Belliss & Morcom Ltd Self Lubricating Engine and Siemens Bros Co Ltd. Alternate Current Generator at Morlais Colliery (photograph)
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.