Search results
Results from the WOW.Com Content Network
Water clock. A display of two outflow water clocks from the Ancient Agora Museum in Athens. The top is an original from the late 5th century BC. The bottom is a reconstruction of a clay original. A water clock or clepsydra (from Ancient Greek κλεψύδρα (klepsúdra) ' pipette, water clock'; from κλέπτω (kléptō) 'to steal' and ...
Oscillating timekeepers are used in modern timepieces. Sundials and water clocks were first used in ancient Egypt c. 1200 BC (or equally acceptable BCE) and later by the Babylonians, the Greeks and the Chinese. Incense clocks were being used in China by the 6th century.
Casio F-91W digital watch, a historically popular watch. A clock or chronometer is a device that measures and displays time. The clock is one of the oldest human inventions, meeting the need to measure intervals of time shorter than the natural units such as the day, the lunar month, and the year. Devices operating on several physical processes ...
Ctesibius' water clock, as visualized by the 17th-century French architect Claude Perrault. Ctesibius or Ktesibios or Tesibius (Greek: Κτησίβιος; fl. 285–222 BCE) was a Greek inventor and mathematician in Alexandria, Ptolemaic Egypt. [1] Very little is known of Ctesibius' life, but his inventions were well known in his lifetime. [2]
Borugak Jagyeongnu. 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.
Overview of water clocks and other time instruments. Arabic & Islamic water clocks. Babylonian water clocks. Chinese water clocks. Egyptian water clocks. European water clocks. Greek and Alexandrian water clocks. Indian water clocks. Korean water clocks.
A turret clock or tower clock is a clock designed to be mounted high in the wall of a building, usually in a clock tower, in public buildings such as churches, university buildings, and town halls. As a public amenity to enable the community to tell the time, it has a large face visible from far away, and often a striking mechanism which rings ...
Clocks have existed in Japan since the mid-7th century AD in the form of water clocks. [1] The Nihon Shoki states that Emperor Tenchi made a water clock, or rōkoku (漏刻, literally "leaking" + "cutting, measuring"), in 660 and 671. [1] These clocks were used for another 800 years until the arrival of Christianity in Japan in the 16th century.