Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Proposed voluntary rules for blast furnaces
Typed in black ink on off-white paper. Three pages attached with a split pin. Ironmasters' proposed voluntary rules for blast furnaces (draft copy).Dated November 2nd, 1931.
Pwnc
Diwydiant
Rhif yr Eitem
86.129I/376
Mesuriadau
Meithder
(mm): 333
Lled
(mm): 204
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.