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HUGH WILLIAMS, PANT-Y-SAER, TY'NYGONGL, SIR FON...

Casgliad: 9 eitem

Thomas Hornor - Middleton Hall

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Station 7 The Chalybeate Spring and Bath

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Old Amman Tin Works

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Mynwent Vaynor

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Ystafell anhysbys

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Gweithfeydd Cyfarthfa, 1870au

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Chwarel calchfaen Cyfarthfa

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Gweithfeydd dur Penydarren, effaith y Streic

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Castell Cyfarthfa a rhan o'r gweithfeydd dur

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Melinau rheiliau Cyfarthfa a Chefn Cil-Sanws

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Ysgubor Hendre Wen, 1978

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MACHEN FORGE AND TINPLATE WORKS, TRETHOMAS

Casgliad: 3 eitem

Adrian Stephens

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MACHEN FORGE AND TINPLATE WORKS, TRETHOMAS

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Y Crynwyr yn Dolgellau

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ANGLETON IRON FURNACE, BRIDGEND

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Brecknock & Abergavenny Canal Company...

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Craen crochan Fictoraidd yn Tŷ-mawr, Bryneglwys...

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Ffilm ddogfen Cofio Cwmorthin

Casgliad: 31 eitem

Plas Mawr, Conwy

Casgliad: 33 eitem

Y Diwydiant Gwlân

Casgliad: 137 eitem

Newid yng Nghymru, 1760-1914