Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Oakdale Colliery, photograph
New safety lamp introduced at Oakdale Colliery. From left to right are Walter Powell (Deputy, Tredegar), Idris Lewis (Head Lampsman, Oakdale), and Tom Duffield (safety lamps engineer/lamp inspector). Photographer's name, and typed details on paper on reverse.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.