Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Big Pit Colliery, photograph
Bill Richings, Miner Guide, showing visitors how flame safety lamps were used to detect the presence of gas underground.
Pwnc
Diwydiant
Rhif yr Eitem
2015.14/19
Creu/Cynhyrchu
unknown
Derbyniad
old stock, 9/2/2015
Techneg
Born digital
Photograph
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.