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Amgueddfa Cymru – Museum Wales
Typed in black ink on thin, off-white paper. Signed in grey ink. Some details have been handwritten in pencil. A letter from Major Ivor David at Powell Duffryn House, to J.O.Pearce of Ewbank & Partners Ltd. regarding the monthy figures etc. for Powell Duffryn Power Stations. Loose within pink/peach card file with other documents relating to Middle Duffryn and Bargoed High Pressure Station.
