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Casgliad: 76 eitem

Gwaun Cae Gurwen

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The Lower Swansea Valley

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Fairplay Mine, Mitcheldean, Osman Barrett: 16"...

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Robert Crawshay, Cyfarthfa: 2 horse power...

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Henry Crawshay, Cinderford, Forest of Dean:...

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Cinderford Iron Company, elevation of 54”...

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Cannock Coal company: colliery ground plan, 19...

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Blowing apparatus, 11 Aug. 1865

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Rhymney Iron Company: plan for 8” locomotive, 1866

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Llythyr i Thomas Benbow Phillips gan...

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Llythyr i Thomas Benbow Phillips gan...

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Llythyr i Thomas Benbow Phillips gan...

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Llythyr i Thomas Benbow Phillips gan...

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Llythyr i Thomas Benbow Phillips gan...

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Llythyr i Thomas Benbow Phillips gan...

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Llythyr i Thomas Benbow Phillips gan...

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Llythyr (mwy na thebyg) i Thomas Benbow...

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Erthygl papur newydd, 'Y Wladfa Gymreig'...

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Thomas Morgan 1866-1942

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Public Services / Miners' Welfare Records,...

Casgliad: 3 eitem

Adrian Stephens

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Brecknock & Abergavenny Canal Company...

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Poster - Edmunds’ (late Wombwell’s) Royal...

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

Casgliad: 117 eitem

Cymru 1780-1886

Casgliad: 137 eitem

Newid yng Nghymru, 1760-1914

Casgliad: 27 eitem

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