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Adrodd fel Amhriodol

Testun Gwreiddiol (Anodiad: EPW042126 / 1040141)

' 2 of the 16 sheaves still to be unloaded and installed at the top of one of the bridge towers. "The sheaves over which the ropes pass as 15 feet diamater and are of steel cast in one piece. They weigh 20 tons each and run in roller bearings." '

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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