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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6231900
    Disgrifiad
    Siemens Laboratory, Swansea; photo survey comprising eight black and white photographs (multiple copies) taken by Douglas Hague 1975
    Enw Casgliad
    NMR Site Files
    Cyfrwng
    Photo.
    Cychwynnwr
    Mr Douglas B. Hague, RCAHMW
    Dyddiad
    1975