Adrodd fel Amhriodol
Testun Gwreiddiol (Anodiad: EAW007572 / 581741)
'
Derry's Clock, George Street Junction http://www.plymouthdata.info/DerrysClock.htm
http://www.cyber-heritage.co.uk/bonnets/derry9.jpg
http://www.cyber-heritage.co.uk/bonnets/derry.jpg
http://www.cyber-heritage.co.uk/bonnets/barbican.htm '