Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
National Coal Board, press release
National Coal Board Press Office
(Publisher)
National Coal Board
(Publisher)
Press release titled 'Mining Coal by Water Power. National Coal Board to experiment with Hydraulic Mining in South Wales'. Dated 23 June 1958. Two pages.
Pwnc
Diwydiant
Rhif yr Eitem
2017.38/191
Creu/Cynhyrchu
Derbyniad
old stock, 27/2/2017
Mesuriadau
Meithder
(mm): 330
Lled
(mm): 205
Deunydd
Paper
Lleoliad
In store
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