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Amgueddfa Cymru – Museum Wales
Statement showing comparative factors influencing the coke consumption of No.1 blast furnace Margam and No.2 blast furnace Cardiff. Three-pages typed in black ink on cream paper. Also a two-page cover letter, from J.S. Mclean to W.F. Cartwright, typed in black ink on cream paper. Dated 28th October, 1950.
