Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
East Moors works blast furnace department, notes
Handwritten in pencil on cream, lined paper. Two pages attached with a paperclip. Notes re. No.4 blast furnace change to basic iron. Dated 15/2/63.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.