Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
East Moors works blast furnace department, notes
Handwritten in pencil on graph paper.Two pages staped together. Analysis of data on blast furnace ores/gases. Dated 17-2-39.
Pwnc
Diwydiant
Rhif yr Eitem
86.129I/989
Mesuriadau
Meithder
(mm): 283
Lled
(mm): 227
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.