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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 23rd January 1940. Relates to patent specification for a closed sand mould. Typed on the reverse of two pages of Colliery Trams Limited, Gorseinon letter headed paper. First page is letter, second page is typed Draft of Claims re improved cast ingot mould patent.
