Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
M.R.E. Bulletin. Hydraulic Flowmeters (booklet)
Bulletin No.21 12 page illustrated booklet. Undated.
Pwnc
Diwydiant
Rhif yr Eitem
2001.1/959
Creu/Cynhyrchu
National Coal Board Mining Research and Development Establishment
Brown Knight & Truscott Ltd
Dyddiad: 20th century
Derbyniad
Donation, 1/2/2001
Mesuriadau
Meithder
(mm): 252
Lled
(mm): 203
Deunydd
papur
metel
Lleoliad
In store
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