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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6028141
    Disgrifiad
    Leighton Estate, General Workshop; Pencil drawing by A.J. Parkinson showing secondary drive bearing, dated 1988.
    Enw Casgliad
    NMR Site Files
    Cyfrwng
    Graphic.
    Cychwynnwr
    Mr Anthony J. Parkinson
    Dyddiad
    1988