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Adrodd fel Amhriodol

Testun Gwreiddiol (Anodiad: EPW007655 / 213319)

' A signal box (or elevated ground frame) to control the crossovers that released locomotives from the front of incoming trains, using the middle road to get pass the coaches. '

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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