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Amgueddfa Cymru – Museum Wales
"Blast Furnace Data and their Correlation." Paper by Messrs Evans & Bailey, circulated by the National Federation of Iron & Steel Manufacturers. 3-page article plus cover letter, stapled in top left corner. Article typed in black ink on orange paper. Cover letter is typed in black ink on orange, headed paper (National Federation of Iron & Steel Manufacturers), dated 14/11/1958.
