Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Broken Hill Proprietory Co. Ltd., Newcastle, NSW
20 pages, Metallurgy of Iron and Steel.
Typed in black ink on thin cream paper, bound together in an orange folder.
Pwnc
Diwydiant
Rhif yr Eitem
86.129I/1810
Mesuriadau
Meithder
(mm): 355
Lled
(mm): 247
Dosbarth
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