Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Penallta Colliery, plan
Messrs Powell Duffryn Steam Coal co. ltd. Re Penallta Colliery. Arrangement for one Zoelly-Mixed-Pressure-Steam-Turbo-Compressor 40000 cub.ft.M 2900-3100 R.P.M Zoelly- Turbine with B.B.C Compressor Scale 1/30th 9.4.24 No.222428
Pwnc
Diwydiant
Rhif yr Eitem
68.35/149
Historical Associations
Associated Person/Body: Powell Duffryn Steam Coal Co. Ltd.
Associated Person/Body: Powell Duffryn
Association Type: Company name
Date: 09/04/1924
Derbyniad
donation, 8/2/1968
Mesuriadau
Meithder
(mm): 592
Lled
(mm): 840
Techneg
Blueprint
Deunydd
Paper
Lleoliad
In store
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