Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Recovery of Reserves (booklet)
National Coal Board Mining Department
(Printer)
William Hodge & Chilver Ltd
(Printer)
Content summary - recommendations to maximise the proportion of coal extracted from seams. 4 page booklet.
Pwnc
Diwydiant
Rhif yr Eitem
2001.1/930
Creu/Cynhyrchu
Rôl: Publisher
Rôl: Printer
Lle: London
Cyfnod: 1978
Derbyniad
donation, 1/2/2001
Mesuriadau
Meithder
(mm): 298
Lled
(mm): 210
Deunydd
Paper
Card
Metal
Lleoliad
In store
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