Cyfernod / Ref NoCOB14/14/28
Rhif Cyfeirnod Gwahanol / Alt Ref NoCOB2/514
Teitl / TitleFILE: TESTING OF CONWY BRIDGE
Ddisgrifiad / Descriptionof suspension bridge.
Professor J. B. B. Owen, University of Liverpool.
Dyddiad / Date1952-1957
Graddau / Extent1 item
Lefel / LevelItem
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