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- Water clock - Wikipedia
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
- 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
- CLEPSYDRA Definition Meaning - Merriam-Webster
The ancient Greeks called their water clocks "klepsydra" ("water thief"), which comes from "kleptein" ("to steal") and "hydōr" ("water") English speakers stole "clepsydra" from the Greeks in the 16th century, but actual water clocks have become increasingly rare
- Clepsydra of Karnak – The Oldest Known Water Clock - Egypt Museum
The Clepsydra of Karnak is the oldest water clock of which there is physical evidence dates during the reign of Amenhotep III
- As Old As Time: Ancient Invention of the Water Clock
Around 325 BC, water clocks began to be used by the Greeks, who called this device the clepsydra (‘water thief’) One of the uses of the water clock in Greece, especially in Athens, was for the timing of speeches in law courts
- Ancient Greece: The Water Clock (Clepsydra) Of Ktesibios
This is when a man named Ktesibios or Ctesibius came and changed Clepsydra He did this by adding another canister to catch the water that flows out of the top hole
- The Clepsydra: Ancient Water Clocks | Epoch Clock Learning Center
The **Clepsydra**, or water clock, was one of the most reliable ways to measure time for almost 3,000 years, from the courtrooms of ancient Greece to the astronomical observatories of China The simplest clepsydra was a bowl with a small hole in the bottom
- CLEPSYDRA from Reess Clocks, Watches and Chronometers, 1819
This clepsydra, it is said, goes faster in summer than in winter, which is owing to the drum being relatively heavier in rarefied than in dense air; we can hardly suppose that any alteration in the fluidity of the water, as formerly supposed, would make any difference
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