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Amgueddfa Cymru – Museum Wales
Typed in black ink on thin off-white/cream paper. Six pages stapled together. Data relating to Middle Duffryn and Bargoed Power Stations and Bargoed New Power House e.g. boiler and generator efficiency, sulizer tests, fuel input, units generated etc. Loose within beige/light brown card file containing information relating to Powell Duffryn Ltd.
