Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Cefn Coed Colliery, notes
Handwritten in pencil on off-white, blue ruled paper. Notes and calculations entitled 'steam flows' for Cefn Coed Low Pressure System. 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 (19)
Derbyniad
Collected officially, 20/12/1983
Mesuriadau
Meithder
(mm): 289
Lled
(mm): 223
Deunydd
papur
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.