Prosiectau Adeiladu: y Cofnod o’r Awyr Construction Projects: the Aerial Record

Mae awyrluniau’n ffordd ragorol o gofnodi’r newidiadau yn ein Aerial photographs are an excellent way of recording the changes in our tirwedd ac yn cynnig golwg unigryw ar effaith gweithgarwch dyn. landscape, providing a unique perspective of the impact of human Yn ddiweddar, mae casgliad helaeth y Comisiwn Brenhinol o activity. The Royal Commission’s extensive aerial photograph collection awyrluniau wedi ehangu yn sgil derbyn ffotograffau Aerofilms. has expanded recently with the acquisition of the Aerofilms photographs.

Atomfa Trawsfynydd Nuclear Power Station Dechreuwyd ei godi ym 1959 gan ddilyn manylebau pensaernïol Syr Basil Spence. Construction commenced in 1959 to architectural specifications by Sir Basil Spence. It started service Dechreuodd gynhyrchu trydan ym 1965 ac fe’i datgomisiynwyd ym 1991. Dyma’r in 1965 and was decommissioned in 1991. The first inland civil nuclear power station in the UK, it atomfa sifil gyntaf ym Mhrydain i beidio â bod ar lan y môr, a defnyddid dŵr croyw o lyn used fresh water for cooling drawn from Trawsfynydd lake. The power station is set within extensive Trawsfynydd i’w hoeri. Saif yr atomfa ar diroedd helaeth y cynlluniwyd eu tirlunio gan landscaped grounds designed by Sylvia Crowe. Sylvia Crowe.

543RAF922 128+129 2f21 A177854 NPRN 301092: 8.9.1966 DI2009_0615 NPRN 301092: 1996

Awyrlun a dynnwyd gan y Llu Awyr, 24 Mai 1960 Ffotograff Aerofilms o Atomfa Trawsfynydd, 1966 Atomfa Trawsfynydd, 1996

Aerial photograph taken by the RAF, 24 May 1960 Aerofilms photograph, Trawsfynydd Nuclear Power Station, 1966 Trawsfynydd Nuclear Power Station, 1996

Llyn Celyn, Cwm Tryweryn Cwblhawyd adeiladu Llyn Celyn ym 1966 i ddarparu cyflenwad cyson o ddŵr i Lerpwl. Peth anarferol yw i gronfa y bwriadwyd iddi gyflenwi dŵr fod hefyd yn cynhyrchu trydan i’r grid cenedlaethol.

Llyn Celyn, Tryweryn Valley Completed in 1966, Llyn Celyn was constructed to provide a constant supply of water for . Unusually for a intended for water supply, it also generates electricity for the national grid.

AP_2005_2780 NPRN 632

Left: Ffotograff Aerofilms sy’n dangos codi’r argae, Cwm Tryweryn, Meirionnydd

A119365 NPRN 632: 11.7.1963 Chwith: Aerofilms photograph showing the construction of the dam, Tryweryn Valley, Merioneth Comisiwn Brenhinol Henebion Cymru Royal Commission on the Ancient and Historical Monuments of Cofnod Henebion Cenedlaethol Cymru National Monuments Record of Wales Cysylltwch â: CBHC, Plas Crug, Aberystwyth, Ceredigion, SY23 1NJ Ffôn: 01970 621200 Gwefan: www.cbhc.gov.uk Contact: RCAHMW, PlasCOMISIWN Crug, Aberystwyth, Ceredigion, BRENHINOL SY23 1NJ HENEBION Telephone: CYMRU01970 621200 Website: www.rcahmw.gov.uk ROYAL COMMISSION ON THE ANCIENT AND HISTORICAL MONUMENTS OF WALES