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Amgueddfa Cymru – Museum Wales
Three pages attached with a paperclip. Typed in purple ink on cream paper. Information is presented in three tables. Margam works - summary of weekly burdens and estimated costs for No.1 blast furnace. Page 1 - data for 5 weeks ended August 2nd 1942; page 2 - data for 4 weeks ended 30th August, 1947; page 3 - data for 4 weeks ended 27th September, 1947.
