Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Specification of blast furnace carbon refractories
Typed in black ink on off-white paper. Two pages attached with a staple. Henry Foster & Co. Ltd., Backworth - approximate specifications for blast furnace carbon refractories.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.