Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Ebbw Vale Works, test report sheet
Five pages stapled together. Cream paper containing pre-printed columns with typed details. Burden data for funaces A, B and C at Ebbw Vale Works.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.