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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
    • 6202503RGS - RCAHMW General Scanned Image Collection - Collection
    • 6201400DI2008_0714 - RCAHMW General Scanned Image Collection - Item