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Amgueddfa Cymru – Museum Wales
Letter sent to Mr W.S. Williams of Bryncoed House, Tirdeunaw, Swansea from David Caird Limited, Barrow-in-Furness. Dated 22nd June 1938. Related to patent specification for a form of Cast Iron Ingot Mould. Typed on black letter headed paper with note in pencil at bottom.
