Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
How to Test for Firedamp (leaflet)
Full title - How to Test for Firedamp. (Issued by the Home Office for the use of miners). Black print on white card folded twice. Folds supported with textile.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.