Archive2023-08-16_2311TitleERC2023_013_006 - Emergency Recording CollectionLevelItemDescriptionDigital photo (interior) from a survey record of Electric Mountain Visitor Centre, Llanberis, produced in February 2023 as part of planning conditions for Gwynedd Planning Authority, reference: C22/0239/15/LL.Medium1 pdf, 7.64 MB.Imagesy
Archive2023-08-16_2314TitleERC2023_013_009 - Emergency Recording CollectionLevelItemDescriptionDigital photo (exterior) from a survey record of Electric Mountain Visitor Centre, Llanberis, produced in February 2023 as part of planning conditions for Gwynedd Planning Authority, reference: C22/0239/15/LL.Medium1 pdf, 14.0 MB.Imagesy
Archive2023-08-16_2310TitleERC2023_013_005 - Emergency Recording CollectionLevelItemDescriptionDigital photo (interior) from a survey record of Electric Mountain Visitor Centre, Llanberis, produced in February 2023 as part of planning conditions for Gwynedd Planning Authority, reference: C22/0239/15/LL.Medium1 pdf, 10.3 MB.Imagesy
Archive6210992TitleCOI_08_12 - Central Office of Information Photographic CollectionLevelItemDescription1 colour print showing lake and circular road at Dinorwig Power Station; collated by the former Central Office of Information.MediumPhoto.Imagesy
Archive6512608TitleAP2018_473_014 - RCAHMW Colour Oblique Digital Aerial PhotographsLevelItemDescriptionDinorwig slate quarry and 'Electric Mountain' pumped-storage hydro-electric power station, near Llanberis. Oblique aerial photograph taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver on 2nd October 2015.MediumPhoto.Imagesy
Archive2023-08-16_2316TitleERC2023_013_012 - Emergency Recording CollectionLevelItemDescriptionDigital photo (exterior) from a survey record of Electric Mountain Visitor Centre, Llanberis, produced in February 2023 as part of planning conditions for Gwynedd Planning Authority, reference: C22/0239/15/LL.Medium1 pdf, 13.8 MB.Imagesn
Archive2023-08-16_2305TitleERC2023_013 - Emergency Recording CollectionLevelBatchDescriptionDigital photo survey record of Electric Mountain Visitor Centre, Llanberis, produced in February 2023.as part of planning conditions for Gwynedd Planning Authority, reference: C22/0239/15/LL. Comprises photographs and annotated floor plan.Medium1 pdf, 505 jpgs, 4.60 GB.Imagesn
Archive6210974TitleCOI_08 - Central Office of Information Photographic CollectionLevelGroupDescriptionPhotographic prints showing aspects of the construction of Dinorwig Power Station; collated by the former Central Office of Information.MediumPhoto.Imagesn
Archive6438610TitleDMHC04_045 - Dr Michael Harrison CollectionLevelSub-groupDescriptionColour slides showing sites and buildings in Dr Harrison's classification "Electricity - 10190"Medium21 slides. Photo.Imagesn
Archive6211005TitleCOI_08_22 - Central Office of Information Photographic CollectionLevelBatchDescription1 contact sheet of 5 b/w photographs showing lake and circular road bridge near Dinorwig Power Station; collated by the former Central Office of Information.MediumPhoto.Imagesy
Archive6211006TitleCOI_08_23 - Central Office of Information Photographic CollectionLevelBatchDescription1 contact sheet of 7 b/w photographs showing interior of hall at Dinorwig Power Station; collated by the former Central Office of Information.MediumPhoto.Imagesy
Archive6210998TitleCOI_08_17 - Central Office of Information Photographic CollectionLevelItemDescription1 colour print showing the main hall under construction at Dinorwig Power Station; collated by the former Central Office of Information.MediumPhoto.Imagesy
Archive6210993TitleCOI_08_13 - Central Office of Information Photographic CollectionLevelItemDescription1 colour print showing main hall at Dinorwig Power Station; collated by the former Central Office of Information.MediumPhoto.Imagesy
Archive6210991TitleCOI_08_11 - Central Office of Information Photographic CollectionLevelItemDescription1 b/w print showing construction of the central hall at Dinorwig Power Station; collated by the former Central Office of Information.MediumPhoto.Imagesy
Archive6210984TitleCOI_08_04 - Central Office of Information Photographic CollectionLevelItemDescription1 b/w print showing view along the outlet valve gallery at Dinorwig Power Station; collated by the former Central Office of Information.MediumPhoto.Imagesn
Archive6210985TitleCOI_08_05 - Central Office of Information Photographic CollectionLevelItemDescription1 b/w print showing view along the outlet valve gallery at Dinorwig Power Station; collated by the former Central Office of Information.MediumPhoto.Imagesy
Archive6211008TitleCOI_08_24 - Central Office of Information Photographic CollectionLevelItemDescription1 large-scale b/w photograph showing interior of hall at Dinorwig Power Station; collated by the former Central Office of Information.MediumPhoto.Imagesy
Archive6210999TitleCOI_08_18 - Central Office of Information Photographic CollectionLevelItemDescription1 colour print showing one of the six main inlet valves at Dinorwig Power Station; collated by the former Central Office of Information.MediumPhoto.Imagesy
Archive6211009TitleCOI_08_25 - Central Office of Information Photographic CollectionLevelItemDescription1 large-scale b/w photograph showing interior of hall during construction at Dinorwig Power Station; collated by the former Central Office of Information.MediumPhoto.Imagesy
Archive6211012TitleCOI_08_26 - Central Office of Information Photographic CollectionLevelItemDescription1 b/w photograph showing tunnel during construction at Dinorwig Power Station; collated by the former Central Office of Information.MediumPhoto.Imagesy
Archive6210990TitleCOI_08_10 - Central Office of Information Photographic CollectionLevelItemDescription1 b/w print showing construction of the central hall at Dinorwig Power Station; collated by the former Central Office of Information.MediumPhoto.Imagesy
Archive6210982TitleCOI_08_02 - Central Office of Information Photographic CollectionLevelItemDescription1 b/w print showing one of the pump turbines under construction at Dinorwig Power Station; collated by the former Central Office of Information.MediumPhoto.Imagesy
Archive6211487TitleCOI_TR64122 - Central Office of Information Photographic CollectionLevelItemDescription1 colour transparency showing interior of the generating hall at Dinorwig Power Station; collated by the former Central Office of Information.MediumPhoto.Imagesy
Archive6211486TitleCOI_TR64119 - Central Office of Information Photographic CollectionLevelItemDescription1 colour transparency showing one of the pump turbines under construction at Dinorwig Power Station; collated by the former Central Office of Information.MediumPhoto.Imagesy
Archive6211664TitleCOI_TR64790 - Central Office of Information Photographic CollectionLevelItemDescription1 colour transparency showing lake and circular road at Dinorwig Power Station; collated by the former Central Office of Information.MediumPhoto.Imagesy
Archive6211663TitleCOI_TR64121 - Central Office of Information Photographic CollectionLevelItemDescription1 colour transparency showing interior at Dinorwig Power Station; collated by the former Central Office of Information.MediumPhoto.Imagesy
Archive6211662TitleCOI_TR64120 - Central Office of Information Photographic CollectionLevelItemDescription1 colour transparency showing interior at Dinorwig Power Station; collated by the former Central Office of Information.MediumPhoto.Imagesy
Archive6211485TitleCOI_TR64791 - Central Office of Information Photographic CollectionLevelItemDescription1 colour transparency showing lake and circular road at Dinorwig Power Station; collated by the former Central Office of Information.MediumPhoto.Imagesy
Archive6406776TitleAdditional InformationLevelItemDescriptionDinorwig Power Station - one leaflet produced by First Hydro, dated c2000, including colour plans of pumping and generating systems.MediumText, Graphic.Imagesn
Archive6210996TitleCOI_08_15 - Central Office of Information Photographic CollectionLevelItemDescription1 colour print showing view of engineers assembling the stator on one of the pump-turbines at Dinorwig Power Station; collated by the former Central Office of Information.MediumPhoto.Imagesy
Archive2023-08-16_2313TitleERC2023_013_008 - Emergency Recording CollectionLevelItemDescriptionDigital photo (exterior) from a survey record of Electric Mountain Visitor Centre, Llanberis, produced in February 2023 as part of planning conditions for Gwynedd Planning Authority, reference: C22/0239/15/LL.Medium1 pdf, 11.5 MB.Imagesy
Archive2023-08-16_2308TitleERC2023_013_003 - Emergency Recording CollectionLevelItemDescriptionDigital photo (interior) from a survey record of Electric Mountain Visitor Centre, Llanberis, produced in February 2023 as part of planning conditions for Gwynedd Planning Authority, reference: C22/0239/15/LL.Medium1 pdf, 10.1 MB.Imagesy
Archive2023-08-16_2309TitleERC2023_013_004 - Emergency Recording CollectionLevelItemDescriptionDigital photo (interior) from a survey record of Electric Mountain Visitor Centre, Llanberis, produced in February 2023 as part of planning conditions for Gwynedd Planning Authority, reference: C22/0239/15/LL.Medium1 pdf, 7.22 MB.Imagesy
Archive2023-08-16_2306TitleERC2023_013_001 - Emergency Recording CollectionLevelItemDescriptionDigital photo (interior) from a survey record of Electric Mountain Visitor Centre, Llanberis, produced in February 2023 as part of planning conditions for Gwynedd Planning Authority, reference: C22/0239/15/LL.Medium1 pdf, 8.99 MB.Imagesy
Archive2023-08-16_2312TitleERC2023_013_007 - Emergency Recording CollectionLevelItemDescriptionDigital photo (interior) from a survey record of Electric Mountain Visitor Centre, Llanberis, produced in February 2023 as part of planning conditions for Gwynedd Planning Authority, reference: C22/0239/15/LL.Medium1 pdf, 8.78 MB.Imagesy
Archive2023-08-16_2316TitleERC2023_013_011 - Emergency Recording CollectionLevelItemDescriptionDigital photo (exterior) from a survey record of Electric Mountain Visitor Centre, Llanberis, produced in February 2023 as part of planning conditions for Gwynedd Planning Authority, reference: C22/0239/15/LL.Medium1 pdf, 13.5 MB.Imagesy
ArchiveAP2024_093TitleAP2024_093LevelBatchDescriptionAerial photographic survey of Electric Mountain. Conducted by Toby Driver of RCAHMW, 20 April 2018.Medium1 .tif file (103 MB). Photographic.Imagesn
Archive6513348TitleAP2018_580_002 - RCAHMW Colour Oblique Digital Aerial PhotographsLevelItemDescriptionDinorwic slate quarry; Dinorwig hydro-electric power station (Electric Mountain) and Llyn Peris reservoir, Llanberis. Oblique aerial photograph taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver on 2nd October 2015.MediumPhoto.Imagesy
Archive6512641TitleAP2018_473_012 - RCAHMW Colour Oblique Digital Aerial PhotographsLevelItemDescriptionDinorwig slate quarry and 'Electric Mountain' pumped-storage hydro-electric power station, near Llanberis. Oblique aerial photograph taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver on 2nd October 2015.MediumPhoto.Imagesy
Archive6513349TitleAP2018_580_003 - RCAHMW Colour Oblique Digital Aerial PhotographsLevelItemDescriptionDinorwic slate quarry; Dinorwig hydro-electric power station (Electric Mountain) and Llyn Peris reservoir, Llanberis. Oblique aerial photograph taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver on 2nd October 2015.MediumPhoto.Imagesy