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clepsydra    
n. 漏壶,水时钟

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  • Water clock - Wikipedia
    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 ὕδωρ (hydor) 'water'; lit ' water thief'), is a timepiece by
  • Clepsydra | Ancient, Water, Sundial | Britannica
    clepsydra, ancient device for measuring time by the gradual flow of water One form, used by the North American Indians and some African peoples, consisted of a small boat or floating vessel that shipped water through a hole until it sank In another form, the vessel was filled with water that was allowed to escape through a hole, and the time was read from graduated lines on the interior
  • As Old As Time: Ancient Invention of the Water Clock
    Illustration depicting a clepsydra clock, characterized as an automaton or self-regulating apparatus Upon water entry, a figurine ascends and indicates the current hour of the day Excess water triggers a mechanism of gears, facilitating the rotation of a cylinder to adjust the hour durations according to the present date
  • CLEPSYDRA Definition Meaning - Merriam-Webster
    The meaning of CLEPSYDRA is water clock Did you know?
  • Historical development of water-powered mechanical clocks
    Abstract This article examines the historical development of ancient water-powered mechanical clocks The study begins with a comprehensive analysis and comparison of the different types of ancient clepsydra, their use and development and the development of their feedback systems, power systems, and time-reporting systems Before becoming mechanized, water clocks (clepsydra) were mainly used
  • The Advent of the Ancient Egyptian Clepsydra (Water Clock)
    The Clepsydra (pronounced “clep-see-drah”), more commonly referred to as the “water clock”, was among the earliest technological devices engineered for measuring time, predating mechanical clocks by over a millennia The earliest known example of a clepsydra is from Ancient Egypt, constructed close to 1400 B C , and attributed to an Egyptian court official named “Amenemhet
  • Clepsydra of Karnak – The Oldest Known Water Clock - Egypt Museum
    The Clepsydra of Karnak has 12 carved columns of 11 false holes, corresponding to the hours of the night The water flowed through a very small hole made in the center of the bottom, emerging on the outside under the figure of a seated baboon This clepsydra is the oldest water clock of which there is physical evidence dates to ca 1391-1353 BC, during the reign of Amenhotep III where it was
  • The Oldest Surviving Water Clock or Clepsydra - History of Information
    Water clocks, along with sundials, are, with the exception of the vertical gnomon and the day-counting tally stick, the oldest time-measuring instruments Where and when water clocks were first invented is not known Until the development of the pendulum clock (1656), water clocks were the most accurate timekeeping devices "The oldest water clock of which there is physical evidence dates to c
  • Clepsydra - Etymology, Origin Meaning - Etymonline
    "ancient Greek water-clock," 1640s, from Latinized form of Greek klepsydra, from stem of… See origin and meaning of clepsydra
  • Clepsydra — Meaning, Origin Etymology | The Journey
    Clepsydra is a word that belongs to the scholar's shelf — rarely spoken outside classical studies and the history of science Clepsydra comes from Greek The water clock that timed speeches in Athenian courts, measured the night watches of Roman legions, and re





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