Casgliadau Arlein

File containing research notes on the history and the development of electricity supply in Ogmore Vale. Includes typed copy of the Ogmore Valley undertaking.

One loose page, brown folder with three loose pages, two pages stapled together at top left hand corner, two loose pages, three pages stapled together at top left hand corner, eleven loose pages, three pages pinned together at top left hand corner, one loose page. Ten pages bound in binder, all in orange binder.