Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
British blast furnaces, Oct 1st 1949, notes
Two sheets of cream paper with tables and statistics written out in pencil on back of typed paper.
Pwnc
Diwydiant
Rhif yr Eitem
1992.373/1
Mesuriadau
Meithder
(mm): 330
Lled
(mm): 205
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.