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Adrodd fel Amhriodol

Testun Gwreiddiol (Anodiad: EPW015610 / 2032855)

' The Government Lymph Establishment. Opened in 1907 for the research and production of medical vaccines. '

Dywedwch wrthym pam mae’r cynnwys hwn yn amhriodol *(gofynnol)

Dewis categori *(gofynnol)

Os ‘Arall’ rhowch fanylion (dewisol)

Eich enw (dewisol)

Eich cyfeiriad e-bost (dewisol)

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