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Amgueddfa Cymru – Museum Wales
Typed in black ink on off-white, company headed paper. Letter from J.H. Ridsdale of The British (Guest Keen Baldwins) Iron & Steel Co. Ltd. Port Talbot & Margam Works to W.E. Simons at the company's East Moors division. Letter containing burden data. Dated 8th December, 1930.
