Water organ

（重定向自Hydraulis）

Hydraulis, 1st century BC, Archaeological Museum of Dion, Greece

A modern reconstruction of the wind organ and wind wheel of Heron of Alexandria

The water organ or hydraulic organ (Greek:ὕδραυλις) (early types are sometimes called hydraulis, hydraulos, hydraulus or hydraula) is a type of pipe organ blown by air, where the power source pushing the air is derived by water from a natural source (e.g. by a waterfall) or by a manual pump. Consequently, the water organ lacks a bellows, blower, or compressor.

单词	Hydraulis
释义	Hydraulis 英语百科 Water organ （重定向自Hydraulis） The water organ or hydraulic organ (Greek:ὕδραυλις) (early types are sometimes called hydraulis, hydraulos, hydraulus or hydraula) is a type of pipe organ blown by air, where the power source pushing the air is derived by water from a natural source (e.g. by a waterfall) or by a manual pump. Consequently, the water organ lacks a bellows, blower, or compressor.
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