Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
British Iron & Steel Research Assoc, questionnaire
8 pages stapled together. Typed in black ink and handwritten in black ink on cream paper. The British Iron and Steel Research Association Iron Making Division Questionnaire on Furnace Burdens.
Pwnc
Diwydiant
Rhif yr Eitem
86.129I/1279
Mesuriadau
Meithder
(mm): 330
Lled
(mm): 203
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.