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Alfred Russel Wallace yng Nghastell-nedd, Panel...

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Alfred Russel Wallace yng Nghastell-nedd, Panel...

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Alfred Russel Wallace yng Nghastell-nedd, Panel...

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1875_Little_Ogmore_Branch_GWR_(OVLHS).jpg

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‘Scene of the Terrible Accident at Vale of...

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3D model of the locomotive 'Speedwell' built...

Casgliad: 9 eitem

Thomas Hornor - Middleton Hall

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Extracts From Thomas Hornor’s Descriptions Of...

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Station 4 View South across Llyn Mawr

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Station 2 Dinefwr Oak at Middleton Hall

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Station 7 The Chalybeate Spring and Bath

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Station 10 The Waterfall

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Station 13 The Bath House

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Station 3 The North Steps Panorama

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Mexican Mining Company, Mexican Silver Mines:...

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Mexican Mining Company, Mexican Silver Mines:...

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Anglo-Mexican Mining Company (London): 53 inch...

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British Phaenogamus Botany

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Morlais Castle Quarry East, Merthyr Tydfil

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Llythyr i Thomas Benbow Phillips gan John G Cox...

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Llythyr i Mrs Suzannah Phillips gan Thomas...

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Llythyr i'r Capten Arthur Walter gan Thomas...

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Llythyr i'r Capten Arthur Walter gan Thomas...

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Llythyr i Joseph Gibson gan Thomas Benbow...

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Tystysgrif roddwyd i'r Capten Walter gan Thomas...

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Llythyr i Joseph Gibson gan Thomas Benbow...

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Copi o'r Arolwg Consiwlar Cyntaf wnaed ar y ...

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Copi o Ail Arolwg Consiwlar wnaed ar y ...