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    Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
    Digitized image of a drawing showing a coarse metal melting furnace, as published fig 617 from Tomlinson's 'Cyclopedia of Useful Arts, Manufacturing, Mining and Engineering' Vol I, 1854Further Information
    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6201400
    Disgrifiad
    Digitized image of a drawing showing a coarse metal melting furnace, as published fig 617 from Tomlinson's 'Cyclopedia of Useful Arts, Manufacturing, Mining and Engineering' Vol I, 1854
    Cofnod Casglu
    RGS - RCAHMW General Scanned Image Collection
    Cyfrwng
    Graphic.
    Dyddiad
    1854