Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
East Moors Works, blast furnace report
Typed in black ink on cream paper. Three pages attached with a paperclip. Report on blast furnace tuyeres Jan 1st - June 30th 1951.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.