hypertext transfer protocol://en.wikipedia.org/wiki/Hornsby_ wet_Clock
http://www.factmonster.com/ipka/A0855491.html
http://www.crystalinks.com/ filaree.html
http://encyclopedia2.thefreedictionary.com/ weewee+ measure
http://www.greenjoyment.com/ water-clock-tick-tock-consider-a-water-clock
http://lavishandlime.blogspot.com/2009/12/bedol-water-clock-now-in-canada-heres.html
http://www.europa-center-berlin.de/en/the-sights/the-clock-of-flowing-time.html
http://the-gad perisheer.com/2010/09/03/bedol-water-clock-with-alarm-review/
Water clock
What is a water clock?
Water clocks - ancient device for measuring time by agent of the flow of water from a container. A simple mark of clepsydra was an earthenware vessel with a small opening by which the water dripped; as the water level dropped, it exposed mark on the walls of the vessel that indicated the time that had elapsed since the vessel was full. to a greater extent elaborate clepsydras were later developed.
Water clocks were among the earliest timekeepers that didnt matter on the observation of celestial bodies.Water clocks were used in ancient Babylon, Mesopotami, China, Korea, Egypt, Greece, India, Arabia, Muslim and civilizations.
History
Where and when water clocks were first invented is non cognise, and given their great antiquity it may never be.
The concave outflow is the simplest form of a water clock and is known to have existed in Babylon and in Egypt around the 16th coulomb BC. Other regions of the world, including India and China, also have advance(prenominal) evidence of water clocks, but the earliest dates are less certain. Some authors, however, contain that water clocks appeared in China as early as 4000 BC.
Some water clock designs were developed independently and some knowledge was transferred through the spread of trade. These early water clocks were calibrated with a sundial. While never stretch a level of accuracy comparable to todays standards of timekeeping, the water clock was the most accurate and commonly used timekeeping...If you want to get a full essay, order it on our website: Ordercustompaper.com
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