Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Notes
Handwritten in pencil on off-white, blue ruled paper. Two pages of notes, calculations and a diagram. Among the notes are the headings 'Electrical Colliery' and 'Steam Colliery'. The notes also contain information relating to Penallta Colliery. Loose within a beige/light brown file with all other documents with the accession number 83.184I/70. The file is labeled 'Steam and Electric Collieries'.
Pwnc
Diwydiant
Rhif yr Eitem
83.184I/70 (24)
Derbyniad
Collected officially, 20/12/1983
Mesuriadau
Meithder
(mm): 329
Lled
(mm): 204
Deunydd
papur
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.