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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6018715
    Disgrifiad
    Measured drawing showing detail of Top Lock, Brecon, produced by Owen Jordan, April 1978.
    Enw Casgliad
    WSA - Welsh School of Architecture Collection
    Cyfrwng
    Graphic.
    Cychwynnwr
    Owen Jordan
    Dyddiad
    1978