Search results
Results From The WOW.Com Content Network
A water clock or clepsydra (from Ancient Greek κλεψύδρα (klepsúdra) 'pipette, water clock'; from κλέπτω (kléptō) 'to steal' and ὕδωρ (hydor) 'water'; lit. ' water thief ' ) is a timepiece by which time is measured by the regulated flow of liquid into (inflow type) or out from (outflow type) a vessel, and where the amount ...
The water clock with Florence Street mall behind. The sculpture is a combination of three water-powered clocks – a 4th-century BC Greek clepsydra, an 11th-century Chinese water wheel clock and a 17th-century Swiss pendulum clock – plus a 17-note bronze carillon to ring the hour based on a 250-year-old design found in an old English church.
A limestone Egyptian water clock, 285–246 BC (Oriental Institute, Chicago). The oldest description of a clepsydra, or water clock, is from the tomb inscription of an early 18th Dynasty (c. 1500 BC) Egyptian court official named Amenemhet, who is identified as its inventor. [27]
A water clock or clepsydra is a timepiece by which time is measured by the regulated flow of liquid into (inflow type) or out from (outflow type) a vessel, and where the amount of liquid can then be measured. Water clocks are one of the oldest time-measuring instruments. [2]
Clepsydra, an alternative name for a water clock. In ancient Greece, a device (now called a water thief) for drawing liquids from vats too large to pour, which utilized the principles of air pressure to transport the liquid from one container to another. Clepsydra Geyser in the Lower Geyser Basin of Yellowstone; Clepsydra, a genus of protists
View of the klepsydra (water clock) from the southwest. On the southeast side of the streambed opposite the sacred spring are the remains of an unusually well-preserved klepsydra, or water clock, dating to the 4th century B.C. The structure consists of a square central reservoir nearly 2 m. in height, coated on the inside with a thin layer of ...
Yin Gui (6th century AD), Chinese engineer, clepsydra with constant water level. Geng Xun (7th century AD), Chinese engineer, balancing clepsydra. Yuwen Kai (7th century AD), Chinese engineer, balancing clepsydra. Yi Xing (683–727), Chinese Buddhist and engineer, astronomical clock.
It has a crescent image; used in the temple of the god Sin in Ur, ... From the Akkadian period, 2 mina was equal to 1 sila of water (cf. clepsydra, water clock).