Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
East Moors Works furnace burden data
Four pages attached with a paperclip. Typed in black ink on cream paper. Title: 'Proposed burden for Ley's Malleable Iron.'
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.