Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Operating results with oridinary & enriched blast
Photocopy of a handwritten document, on cream paper. Table entitled 'Operating Results with Ordinary and Enriched Blast (Normal Slags).'
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.