Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Making Steel (booklet)
Booklet : 16 pages, illustrated throughout Content summary :- notes on making iron, making steel, open hearth furnace, electric arc furnace, basic oxygen furnace and casting.
Pwnc
Diwydiant
Rhif yr Eitem
1993.71/2
Mesuriadau
Meithder
(mm): 300
Lled
(mm): 210
Dosbarth
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