Dinas dam showing discharge regulator in action, Rheidol Hydro Electric Station, 1965 Type Item Uploaded by People's Collection Wales
An observation terrace at Felin Newydd, Capel Bangor, 1964 Type Item Uploaded by People's Collection Wales
Weir at Felin Newydd, Rheidol Hydro Electric Station, 1965 Type Item Uploaded by People's Collection Wales
Caern Owen quarry, Rheidol Hydro Electric Station, 1965 Type Item Uploaded by People's Collection Wales
Road bridge on approach road to Dinas power station, Rheidol Hydro Electric Station, 1965 Type Item Uploaded by People's Collection Wales
30,000 volt switching station, Rheidol Hydro Electric Station, 1965 Type Item Uploaded by People's Collection Wales
View of reception room at Rheidol, Rheidol Hydro Electric Station, 1965 Type Item Uploaded by People's Collection Wales
The control room, Rheidol Hydro Electric Station, 1965 Type Item Uploaded by People's Collection Wales
Top of number 3 machine spiral casing showing alternator / turbine shaft coupling, Rheidol Hydro Electric Station, 1965 Type Item Uploaded by People's Collection Wales
Drainage and dewatering pump motors, Rheidol Hydro Electric Station, 1965 Type Item Uploaded by People's Collection Wales
Dinas pressure tunnel, Rheidol Hydro Electric Station, 1965 Type Item Uploaded by People's Collection Wales
Dinas turbine hall, Rheidol Hydro Electric Station, 1965 Type Item Uploaded by People's Collection Wales
Dinas station control panel, Rheidol Hydro Electric Station, 1965 Type Item Uploaded by People's Collection Wales
Main shaft casing, No.1 turbine, Rheidol Hydro Electric Station, 1965 Type Item Uploaded by People's Collection Wales
Dinas Power Station, Rheidol Hydro Electric Station, 1965 Type Item Uploaded by People's Collection Wales
Nant-y-Moch Dinas Tunnel, Rheidol Hydro Electric Station, 1965 Type Item Uploaded by People's Collection Wales
Nant-y-Moch dam and reservoir, Rheidol Hydro Electric Station, 1965 Type Item Uploaded by People's Collection Wales
Nant-y-Moch dam under construction, Rheidol Hydro Electric Station, 1965 Type Item Uploaded by People's Collection Wales
Interior view of Cwm Dyli Hydro Electric Power Station taken by Rex Wailes in 1967 Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
