Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Cefn Coed Colliery, low pressure steam flow chart
Handwritten/drawn in black and green ink on off-white, grey lined graph paper. 'Low Pressure Steam Flow Chart Cefn Coed Colliery'. Two graphs, one graph is labeled 'worst possible condition' the other is labeled 'best possible condition'. 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 (14)
Historical Associations
Association Type: colliery
Creu/Cynhyrchu
David, E. Ivor
Derbyniad
Collected officially, 20/12/1983
Mesuriadau
Meithder
(mm): 318
Lled
(mm): 540
Deunydd
papur
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.