Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Report of the Sub-Committee on Mining Explosions
National Coal Board
(printer)
The Sidney Press Ltd
(printer)
Report by the Sub-Committee appointed by the Coal Industry National Consultative Council Safety and Health Committee. 29 pages.
Pwnc
Diwydiant
Rhif yr Eitem
2018.164/23
Creu/Cynhyrchu
Derbyniad
old stock, 9/8/2018
Mesuriadau
Meithder
(mm): 242
Lled
(mm): 152
Deunydd
papur
metel
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.