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Adrodd fel Amhriodol

Testun Gwreiddiol (Anodiad: EPW008467 / 2038017)

' A "set back" siding to allow a slow moving train to give presence to fast ones. It is not a loop line simply because the facing point at the other end, would require a "ground frame" at this time, being too far away for drive from the signal box. '

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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