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Amgueddfa Cymru
File containing research notes on the history and the development of electricity supply in Tonyrefai. Contains "A History of Tonyrefail" a published booklet, Ely Valley Lighting Company Ltd valuation, January and February 1948.
In a brown envelope. One draft Ely Valley Lighting Company Ltd., Valuation, 20 pages with a brown cover stapled together down left hand side. Revised evaluation, 16 pages with brown cover stapled together down left hand side, Valuation 38 pages in brown cover stapled together down left hand side, book on the history of Tonyrefail, 82 pages stapled together at centre.
