Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
East Moors Works, blast furnace report
Typed in black ink on cream paper. Three pages stapled together. Title: "Oil Injection No.1 Furnace" Report on modifications made to the No.1 furnace oil injection control system.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.