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Amgueddfa Cymru – Museum Wales
Title: 'Guest Keen Baldwins Iron & Steel Co. Ltd. No.4 blast furnace. Examination of hearth lining, January 1953.' Nine page report, plus three diagrams and one black and white photograph, stapled along left hand edge. Pages typed in black ink on cream paper. Report includes three dyeline technical drawings and one black and white photograph glued to p.6.
