Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Blast furnace conference, summary of proceedings
Eleven pages stapled together. Typed in black on cream paper. National Federation of Iron & Steel Manufacturers 'Summary of Proceedings at the Blast Furnace Conference held on April 7th, 1932.'
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.