Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
East Moors Works Agglomeration Plant, report
Title: "Agglomerating Plant - Cooling Test 1st June." Single page, handwritten in blue ink on cream paper.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.