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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6015562
    Disgrifiad
    Mounted b&w photographic print showing view of Penmaenbach Tunnel, originally featured in a volume entitled "British Bridges" published by Public Works, Roads and Transport Congress, 1933.
    Enw Casgliad
    BB - British Bridges
    Cyfrwng
    Photo.
    Cychwynnwr
    Public Works, Roads and Transport Congress
    Dyddiad
    c. 1933