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

VAN MINES, SMELTING COMPLEX

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

CRAWCWELLT WEST IRON-WORKING SETTLEMENT

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

LOUGHOR ZINC WORKS, LOUGHOR, SWANSEA

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

LOUGHOR ZINC WORKS, LOUGHOR, SWANSEA

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

MORFA TIN PLATE WORKS 1851

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

KIDWELLY TINPLATE WORKS

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

BURRY TINPLATE WORKS

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

KIDWELLY TINPLATE WORKS

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

MORFA TIN PLATE WORKS 1851

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

Dwy wraig ar lan y môr yn Llansteffan...

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

Ffotograff o grŵp o bobl yn...

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

Cloch haearn o Weithfeydd Haearn a Thun...

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

Gwesty Owain Glyndŵr, Corwen, tua...

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

Gwesty'r Corbett Arms, Tywyn, Sir Feirionnydd,...

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

Gwaith dur newydd Margam, 13 Gorffennaf 1951

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

Aelodau Capel y Bedyddwyr Seion, Ynys-y-b&...

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

Clwb Maes y Trallwng yn mynd am dro, tua'r...

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

Clwb Maes y Trallwng yn mynd am dro, 1909

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

Clwb Maes y Trallwng yn mynd am dro, 1908

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

Plant Llansannan ar Ddiwrnod y Clwb, tua'r...