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ni chafwyd erioed yr un enghraifft well o hynny na'r gwrthgyferbyniad rhwng y modd y dathlodd yr americaniaid ganmlwyddiant hedfan gyredig yn kitty hawk , gogledd carolina , a'r modd y gwnaethom ni ddathlu , fis yn ddiweddarach , yn ein dull tawel ni , ddaucanmlwyddiant digwyddiad sydd yr un mor bwysig yn hanes diwydiant a thechnoleg , sef dechrau rheilffyrdd a yrrir gan ager drwy daith y trên ager o ferthyr tudful i abercynon
never was there a better example of that than in the contrast between the way in which the americans celebrated the centenary of powered flight in kitty hawk , north carolina , and the way in which , a month later , we celebrated in our own quiet way the two hundredth anniversary of an event equally as important in the history of industry and technology , namely the commencement of powered steam railways in the steam train journey from merthyr tydfil to abercynon