Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Authorisation book for Examination of Airways
Authorisation book for Examination of Airways (Form S11). Coal Mines Act 1911). Big Pit colliery, dated 1913 to 1927.
Pwnc
Diwydiant
Rhif yr Eitem
2001.1/347
Historical Associations
Association Type: Colliery
Date: 20th century
Place: Blaenavon Colliery
Derbyniad
donation, 1/2/2001
Mesuriadau
Meithder
(mm): 125
Lled
(mm): 205
Uchder
(mm): 15
Deunydd
Paper
Card
Lleoliad
In store
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