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Amgueddfa Cymru – Museum Wales
Eight pages stapled together. Printed in purple and pink ink on white paper. Details typed in black ink. Baldwins Ltd. Port Talbot Steel Works, cost sheet for plate mills 1 & 2 , the cogging mill and bar mills No's 1 and 2. Costs for 13 weeks ending 28th September 1929. Also cost sheet for the melting shop at Margam steel works (costs for 9 weeks ending 30th November 1929) and the melting shop at Port Talbot steel works (costs for 13 weeks ending 29th September 1929). Also includes a cost sheet for Margam blast furnace for 4 weeks ending 28th September 1929.
