Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Drainage of Firedamp from Mines (report)
Ministry of Fuel and Power
(author)
National Coal Board
(author)
'Report by the Ministry of Fuel and Power and National Coal Board Joint Working Party on the Drainage of Firedamp from Mines'. 83 pages, stapled.
Pwnc
Diwydiant
Rhif yr Eitem
2018.181/23
Creu/Cynhyrchu
20th century, mid
Rôl: author
Rôl: author
Cyfnod:
20th century, mid
Derbyniad
donation, 11/9/2018
Mesuriadau
Meithder
(mm): 330
Lled
(mm): 204
Deunydd
papur
cerdyn
metel
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.