Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Valuation of Dielette Ore for Making Basic Pig Iron (notes)
Typed in black ink on cream paper. Three pages attached with a paperclip. Notes entitled: "Valuation of Dielette Ore for Making Basic Pig Iron."
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.