Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Planning the Ventilation of New or Reorganised Collieries (booklet)
National Coal Board Production Department
(Publisher)
Information Bulletin No. MP(51)14. 12 pages.
Pwnc
Diwydiant
Rhif yr Eitem
2001.1/1033
Creu/Cynhyrchu
Derbyniad
donation, 1/2/2001
Mesuriadau
Meithder
(mm): 330
Lled
(mm): 202
Deunydd
Card
Paper
Metal
Lleoliad
In store
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