Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Tredegar Iron & Coal Co. Ltd., photograph
Cambrian Collieries Power House. Interior of small power station, showing Belliss & Morcom (Birmingham) triple expansion stationary vertical cylinder steam engines driving Siemens generators.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.