Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
East Moors works blast furnace department, notes
Typed in black ink on cream, lined paper. Three pages attached with a paperclip. Notes relating to / analysis of Stallberg Swedish iron ores.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.