Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Penallta Colliery, compressors, eng.drgs.
Engineering Drawing Plans showing foundations for one Zoelly mixed pressure steam turbo compressor 40,000 cubic ft., 2900 to 3200 r.p.m. with B.B.C. compressor Drg.No. 222429,
Pwnc
Diwydiant
Rhif yr Eitem
87.152I/9
Derbyniad
Collected officially, 13/8/1987
Mesuriadau
Meithder
(mm): 603
Lled
(mm): 855
Techneg
dyeline
Deunydd
papur
Lleoliad
In store
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