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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6022215
    Disgrifiad
    RCAHMW drawing by Tony Parkinson and Dylan Roberts, showing plan of Dyffryn Iron & Tinplate Works, Swansea.
    Enw Casgliad
    Drawings Collection
    Cyfrwng
    Graphic.
    Cychwynnwr
    Mr Anthony J. Parkinson, Dylan J. Roberts