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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6018852
    Disgrifiad
    Britannia Tubular Bridge, Menai Straits; Four B&W photographs showing construction work, copied from undated originals, origin unknown. Copy negatives held.
    Enw Casgliad
    NMR Site Files
    Cyfrwng
    Photo.
    Dyddiad
    c. 1849