Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
N.C.B. safety poster "Effect of Carbon Monoxide"
National Coal Board
(publisher)
Black and white grid showing how long it would take to die with different percentages of Carbon monoxide.
Pwnc
Diwydiant
Rhif yr Eitem
1993.108/1
Historical Associations
Associated Person/Body: National Coal Board
Association Type: Coal company
Dyddiad: 1970s-1980s
Lle: Oakdale Colliery
Creu/Cynhyrchu
Derbyniad
collected officially, 17/2/1993
Mesuriadau
Meithder
(mm): 295
Lled
(mm): 420
Deunydd
papur
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.