Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
The Tube Bundle Technique for the Continuous Monitoring of Mine Air (booklet)
National Coal Board
(Printer)
Garden House Press Ltd
(Printer)
54 page booklet with green covers.
Pwnc
Diwydiant
Rhif yr Eitem
2001.1/751
Creu/Cynhyrchu
Derbyniad
donation, 1/2/2001
Mesuriadau
Meithder
(mm): 208
Lled
(mm): 148
Uchder
(mm): 6
Deunydd
Card
Paper
Lleoliad
In store
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