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 ...
A model of the water clock. The Borugak Jagyeongnu ("Water Clock of Borugak Pavilion"), classified as a scientific instrument, is the 229th National Treasure of South Korea and was designated by the South Korean government on March 3, 1985. The water clock is currently held and managed by the National Palace Museum of Korea in Seoul.
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 reproduction of the elephant clock in the Ibn Battuta Mall, Dubai. A reproduction in Kasımiye Medrese, Mardin, Turkey. The timing mechanism is based on a water-filled basin hidden inside the elephant. In the bucket is a deep bowl floating in the water, but with a small hole in the centre. The bowl takes half an hour to fill through this hole.
Islamic water clocks, which used complex gear trains and included arrays of automata, were unrivalled in their sophistication until the mid-14th century. [40] [41] Liquid-driven mechanisms (using heavy floats and a constant-head system) were developed that enabled water clocks to work at a slower rate. [41]
2000–1500 BC – First dams constructed in India to control water. [1] 1700 BC – Windmill are used in Babylonia to pump water. 14th century BC – Water clock are developed in Egypt under the reign of Amenhotep III. Clepsydra water clock design is developed in ancient Greece. [1] 6th century BC – Theodorus of Samos invents the water level.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
This page was last edited on 29 September 2023, at 19:46 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.