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Subject Hydraulic machinery Remove constraint Subject: Hydraulic machinery

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    • 1529 (M.D.XXIX)

    A device for raising water, the Archimedean screw consists of an external cylinder surrounding a screw. The bottom of the cylinder and screw must be immersed in water, which is not correctly depicted here. If the…

    • 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…

    • 1588

    Cross-section shows inner system, which is identical to that used for the fountain on Plate 184. Syphon action in the descending, snake-shaped pipes starts the water-flow, and inner system relies on changes in air and…

    • 1588

    Pipes outwardly decorated like serpents spew water from the large vase into the basin. Can be fed by a distant natural spring or a hidden tank, provided either is at the same height as the fountain's vase. The inner…

    • 1930-Jan-08

    General view of the hydraulic pump used to perform steel corrosion tests at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C.

    The Fixed Nitrogen Research Laboratory…

    • 1958

    General view of the simulated aircraft system at the Naval Air Material Center's Aeronautical Materials Laboratory used to evaluate experimental hydraulic fluids. A worker is seen seated in the foreground examining…

    • 1958

    General view of workers testing the features of new hydraulic systems at the Naval Air Material Center's Aeronautical Materials Laboratory. Two workers are seen turning valves on the machinery while a third worker looks…