Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Drainage of Firedamp from Mines (report)
'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
Derbyniad
Donation, 11/9/2018
Mesuriadau
Meithder
(mm): 330
Lled
(mm): 204
Deunydd
papur
cerdyn
metel
Lleoliad
In store
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