Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Notes
Handwritten in pencil on off-white, blue ruled paper. Notes and calculations with the heading 'Electrical TH Comparisons'. Loose within a beige/light brown file with all other documents with the accession number 83.184I/70. The file is labelled 'Steam and Electric Collieries'.
Pwnc
Diwydiant
Rhif yr Eitem
83.184I/70 (27)
Derbyniad
Collected officially, 20/12/1983
Mesuriadau
Meithder
(mm): 326
Lled
(mm): 205
Deunydd
papur
Lleoliad
In store
Dosbarth
power generation and transmissionNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.