Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Cefn Coed Colliery, steam consumption curve (graph)
Handwritten in silver pen on grey graph paper. Graph entitled 'Cefn Coed Colliery 3000 kw. H.P turbo generator steam consumption curve.' Loose within a green card file with all other documents with accession number 83.184I/67. The file is labelled 'Colliery Boiler Plant B31', 'Cefn Coed Data' and 'Colliery Engineering'.
Pwnc
Diwydiant
Rhif yr Eitem
83.184I/67 (33)
Derbyniad
Collected officially, 20/12/1983
Mesuriadau
Meithder
(mm): 330
Lled
(mm): 203
Deunydd
papur
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.