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Amgueddfa Cymru – Museum Wales
Typed in black ink on off-white/cream paper. Details handwritten in pencil. Five pages pinned together. Statistics and data, such as distribution etc. relating to Bargoed and Middle Duffryn Power Stations, for 9 Months to December 1946. Loose within beige/light brown card file containing information relating to Powell Duffryn Ltd.
