Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
East Moors works blast furnace department, notes
Handwritten in pencil on cream, lined paper. Notes re. No.4 blast furnace blowing in burden October 1962.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.