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Adrodd fel Amhriodol

Testun Gwreiddiol (Anodiad: EPW019890 / 449287)

' The remains of 'C' Pit. Hebburn had 3 pits 'A', 'B' & 'C' & Sir Humphrey Davy tested his safety lamp using methane gas from a Hebburn pit. '

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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