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Amgueddfa Cymru – Museum Wales
Letter sent from Mr W.S. Williams of Bryncoed House, Tirdeunaw, Swansea to Waterlow & Sons Limied, Law Agency Department, London. Dated 2nd February 1940. Relates to patent application 1686/92 for a closed sand mould. Carbon copy of typed letter on headed paper of Colliery Trams Limited, Gorseinon.
