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    Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
    Digital photograph showing hydrogen seal on alternator at Uskmouth power station in the 1950sFurther Information
    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6436106
    Disgrifiad
    Digital photograph showing hydrogen seal on alternator at Uskmouth power station in the 1950s
    Cofnod Casglu
    VDE - Vernon D. Emmanuel Collection
    Cyfrwng
    Photo.
    Cychwynnwr
    Vernon D. Emmanuel
    Dyddiad
    c. 1953