Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
British Iron & Steel Research Association, survey
Ten pages stapled together. Typed in black on cream paper. The British Iron & Steel Research Association Iron Making Division, Blast Furnace Practice Committee, Survey of Taphole Practice. Report compiled from a questionnaire supplied by 21 firms operating blast furnaces. Firms are referred to by code numbers (86.129I/533??).
Pwnc
Diwydiant
Rhif yr Eitem
86.129I/533
Derbyniad
Bequest, 8/9/1986
Mesuriadau
Meithder
(mm): 331
Lled
(mm): 205
Deunydd
papur
Lleoliad
In store
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