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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6494178
    Disgrifiad
    Measured schematic drawing showing "General Arrangement of Paterson Pressure Filters" at the new Bontgoch Water Treatment Works, produced by Paterson Candy International Limited, scale 1/4 & 3/8" = 1 foot, November 1964.
    Enw Casgliad
    BWTW - Bontgoch Water Treatment Works Drawings
    Cyfrwng
    Graphic.
    Cychwynnwr
    Paterson Candy International Limited
    Dyddiad
    1964-11-06