Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
East Moors Works, report
Table of data typed in black ink on cream paper. Title: 'Cardiff High Phos. Coke to No.1 Furnace. Investigations carried out on the 16/17/18/7/47'
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.