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A letter from the British Engine Boiler & Electrical Co. Ld. to Powell Duffryn Associated Collieries Ld. regarding the examination of the No.3 Lancashire boiler at No.1 pit, Cwm Cynon Colliery. Letter typed in black ink on off-white, British Engine & Electrical Co.Ld. headed paper. Letter dated 2 September, 1938. The letter is signed in black ink, and there are also four other signatures, two in pencil, one in green ink and the other in black ink. Contained loose within a moroon hardback file with all other documents under accession number 85.184I/4.
