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Subject Pneumatic machinery Remove constraint Subject: Pneumatic machinery Subject Amusements Remove constraint Subject: Amusements

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    • 1588

    Powered by concealed bellows or a person blowing into a pipe feeding into the base of the vase. Cross-section shows inner system, which relies on changes in air and water pressure to force air through hidden flutes to…

    • 1588

    Decorated with birds that pipe out song. Can be constructed at various scales and made fixed or portable. Inner system relies on changes in air and water pressure to keep the water circulating and the air moving through…