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Amgueddfa Cymru – Museum Wales
Typed in black ink on thin, off-white paper. Signed in blue ink. Four pages held together by a paperclip. A letter from E. Ivor David to Mr J.O. Pearce regarding the Bargoed and Middle Duffryn Power Stations. Loose within pink/peach card file with other documents relating to Middle Duffryn and Bargoed High Pressure Station.
