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plunger jig washer

A washer in which water is forced upward and then downward through a screen by the action of a plunger in an adjoining compartment. Although these machines are still in use, the term "jig washer" is now applied to the fixed-screen, air-pulse jig, which is directly descended from the first Baum washer used in 1892.

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  • ed.young
  • (Milwaukee, United States)

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