Adrodd fel Amhriodol

Testun Gwreiddiol (Anodiad: EPW048632 / 945963)

' Boxed in third rail with a slot for the collector shoe on the electric trains to make a side contact. Precautions demanded by the Board of Trade for this unique 1200 volt DC system. '

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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