Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Electrical Earthing in Coal Mines (booklet)
National Coal Board
(Publisher)
45 page booklet with yellow and black covers, stapled at centre.
Pwnc
Diwydiant
Rhif yr Eitem
2001.1/747
Creu/Cynhyrchu
Derbyniad
donation, 1/2/2001
Mesuriadau
Meithder
(mm): 208
Lled
(mm): 146
Deunydd
Card
Paper
Metal
Lleoliad
In store
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