Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Report on Ignitions of Firedamp in the Machine Cut
National Coal Board
(Printer)
Report by the Joint Ministry of Power and National Coal Board. 11 pages, stapled.
Pwnc
Diwydiant
Rhif yr Eitem
2018.164/4
Creu/Cynhyrchu
Derbyniad
old stock, 9/8/2018
Mesuriadau
Meithder
(mm): 254
Lled
(mm): 177
Deunydd
Paper
Metal
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.