 | Elijah Challenges the People of Israel and the Judgement of Solomon firm/studio: James Powell & Sons designer: Gerald P. Hutchinson 1909 Church of St Eurgain and St Peter, Northop, Flintshire west wall of the nave
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 | Virgin and Child between Two Angels firm/studio: James Powell & Sons about 1910 Church of St John the Baptist, Penymynydd, Flintshire east wall of the chancel
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 | St Cynog, St Brychan and St Alud firm/studio: James Powell & Sons designer: William Aikman about 1910 Cathedral Church of St John Evangelist, Brecon, Powys north wall of the north aisle (St Keyne's Chapel)
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 | Giles de Breos with Humphrey de Bohun and Edward Stafford firm/studio: James Powell & Sons designer: William Aikman about 1910 Cathedral Church of St John Evangelist, Brecon, Powys north wall of the north aisle (St Keyne's Chapel)
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 | Te Deum Windows firm/studio: James Powell & Sons designer: James Hogan designer: J. W. Brown 1911 Bangor Cathedral, Bangor, Gwynedd north wall of the north aisle
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 | The Virgin Mary with Mary of Bethany and Mary Magdalene firm/studio: James Powell & Sons 1911 Church of St Giles, Wrexham north wall of the north aisle
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 | Faith and Charity firm/studio: James Powell & Sons designer: Ernest Penwarden 1911 Church of St John, Porthmadog, Gwynedd west wall of the north aisle (window number: nVIII)
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 | Memorial Window firm/studio: James Powell & Sons designer: Ernest Penwarden about 1911 Church of St Cattwg, Llanspyddid, Powys south wall of the nave (window number: sIII)
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 | Christ Standing on the Waters with Scenes from the Gospels firm/studio: James Powell & Sons about 1912 Church of St Gwenfaen, Rhoscolyn, Anglesey east wall of the chancel (window number: I)
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 | The Adoration of the Virgin and Child by the Magi firm/studio: James Powell & Sons 1912 Church of St Cynog, Battle, Powys east wall of the chancel (window number: I)
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