Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
How to Test for Firedamp (leaflet)
Folded card describing how to test for firdamp. Issued by the Home Office for the use of miners. Undated but early 20th century.
Pwnc
Diwydiant
Rhif yr Eitem
2002.159/6
Mesuriadau
folded
(mm): 67
Lled
(mm): 90
Dosbarth
health and safetyNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.