Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
East Moors Works, blast furnace report
Single page, typed in black ink on cream paper. Report re. Dowlais fireclay grogged with recovered firebrick ex. soaking pits. Dated 14/5/49.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.