More on hydraulic machine from Fact Monster:

• hydraulic machine: Hydraulic Engines - Hydraulic Engines Water falling from one level to a lower one is used to drive machines like the ...
• hydraulic machine: Hydrostatic Devices - Hydrostatic Devices Water or oil under pressure is commonly used as a source of power for many ...
• Pascal's law - Pascal's law Pascal's law [for Blaise Pascal], states that pressure applied to a confined ...
• Joseph Bramah - Bramah, Joseph Bramah, Joseph , 1748–1814, English inventor. In 1784 he took out his first ...
• jack, mechanical device - jack jack, mechanical device used to multiply a relatively small applied force so that it can lift ...

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