Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Margam iron & steelworks, blast furnace burden data
Handwritten in pencil on cream, lined paper. Six pages attached with a paperclip. Filling charges for No.2 blast furnace and burden data for Margam blast furnace on November 1st (year not stated).
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.