Casgliadau Arlein

File containing research notes on the history and the development of electricity supply in :- Merthyr : includes typed chronological notes on the Merthyr Tydfil undertaking, a transcript of an interview with Mr A.B.Cousins of Merthyr Tydfil, power station engineer and inventor of the early 1900's and a copy of "The Dowlais Story 1759-1959".

One booklet on Dowlais Works, one loose page regarding Merthyr Tydfil Undertaking, 8 pages stapled and held together by a paper clip at top left hand corner regarding An interview with Mr. A.B. Cousins of Merthyr Tydfil, Power Station Engineer and Inventor of the early 1900's. One folded newspaper of The Dowlais Story, one loose page on Merthyr Tydfil illustrated, 3 pages stapled together at top left hand corner regarding Schedule of items, 9 loose pages and one brown envelope all in orange folder.