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Mae Casglu'r Tlysau yn cynnwys dros 30,000 o ddelweddau o wrthrychau, llyfrau, llythyrau, awyrluniau ac eitemau eraill o amgueddfeydd, archifdai a llyfrgelloedd ledled Cymru.

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Hafan » Cyfranwyr » Archifdy Sir Powys

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Nesaf

Article about Lake Vyrnwy from 'The Illustrated London News', 23 February 1889, page 239 [image 1 of 11]
  • The full title of this map reads 'A plan of the several farms and tenements in the parishes of old and new Radnor belonging to Percival Lewis Esq.' This was probably the Percival Lewis who lived at Downton Hall, about a mile east of New Radnor. He was the principal landowner of the area during the late eighteenth century and was appointed Sheriff of the town in 1789. He was also one of a number of Radnorshire squires who used to meet at the Grays Inn Coffee House where the Society of Gentlemen of Radnorshire was founded in 1789.
Plan of land belonging to Percival Lewis in old and new Radnorshire, c. 1790
Lake Vyrnwy photograph album [front cover]
  • This photograph shows the north east end of the trench of the foundation rock of the Vyrnwy masonry dam, July 1882.
Building the Vyrnwy dam, July 1882
  • This photograph shows the central portion of the trench of the foundation rock of the Vyrnwy masonry dam, June 1882.
Building the Vyrnwy dam, June 1882
  • This photograph shows the south west end of the trench of the foundation rock of the Vyrnwy masonry dam, 1882.
Building the Vyrnwy dam, 1882