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Amgueddfa Cymru – Museum Wales
Pre-printed cost sheets - black and red print on cream paper. Details handwritten in black and red ink. Four cost sheets attached with a paperclip. The British (Guest Keen Baldwins) Iron & Steel Co. Ltd. cost sheets for East Moors blast furnace and melting shop (x2) for year ended December 1939. Also one cost sheet for Briton Ferry Works blast furnace for 25 weeks from December 1931 - May 1932.
