Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Rules for observance at blast furnaces
Typed in black ink on off-white paper. Five pages attached with a split pin. Rules for observance at blast furnaces as as amended at a conference held with the Ironmasters' sub-committee at the home office on Friday, 29th January 1932.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.