Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
East Moors works blast furnace department, notes
Single page, handwritten in pencil on cream, lined paper. Notes re. No.1 blast furnace residuals in pig iron. Includes data for various dates in 1962 and 1963.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.