Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Tredegar Iron & Coal Co. Ltd., glass negative
Cambrian Collieries power station interior showing Belliss & Morcom triple expansion and two-cylinder beam engines driving Siemens generators. Note switchboard in background, not yet wired up.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.