Editing Water clock (section)

==External links==
{{wiktionary | clepsydra}}
{{Commons category|Water clocks}}
* [http://www.europa-center-berlin.de/en/the-sights/the-clock-of-flowing-time.html The Clock of Flowing Time in Berlin] {{Webarchive|url=https://web.archive.org/web/20190118081232/http://www.europa-center-berlin.de/en/the-sights/the-clock-of-flowing-time.html |date=2019-01-18 }}
* [https://www.nist.gov/pml/time-and-frequency-division/popular-links/walk-through-time/walk-through-time-early-clocks NIST: A Walk Through Time – Early Clocks]
* [http://www.marcdatabase.com/~lemur/dm-gitton.html#iw-time-flow-clocks Bernard Gitton's Time-Flow Clocks] {{Webarchive|url=https://web.archive.org/web/20110809073852/http://www.marcdatabase.com/~lemur/dm-gitton.html#iw-time-flow-clocks |date=2011-08-09 }}
* [https://japan.mfa.gov.ir/en/newsview/536035 Qanat is cultural, social and scientific heritage in Iran]
* [http://www.eternalegypt.org/EternalEgyptWebsiteWeb/HomeServlet?ee_website_action_key=action.display.element&story_id=19&module_id=5&language_id=1&element_id=60513 Egypt's Water Clock]
* {{Cite Americana|wstitle=Clepsydra |year=1920 |short=x}}
* [https://www.perseus.tufts.edu/GreekScience/Students/Jesse/CLOCK1A.html A Brief History of Clocks: From Thales to Ptolemy]
* [http://www.childrensmuseum.org/waterclock The Indianapolis Children's Museum Water Clock]
* [http://www.landmarkclocks.com/page14.html Nanaimo, BC Water Clock] {{Webarchive|url=https://web.archive.org/web/20070811001650/http://www.landmarkclocks.com/page14.html |date=2007-08-11 }}
* [https://www.history-of-physics.com/2017/08/ancient-greece-water-clock-clepsydra-of_14.html Animation: Ctesibius Water Clock]
* [http://www.antique-horology.org/_editorial/clepsydra/ Rees's Universal Dictionary article on Clepsydra, 1819]
* [http://www.royalgorgebridge.com/WaterClock.aspx The Royal Gorge Bridge Water Clock] {{Webarchive|url=https://web.archive.org/web/20070501165809/http://www.royalgorgebridge.com/WaterClock.aspx |date=2007-05-01 }}
* {{Cite NIE|wstitle=Clepsydra |year=1905 |short=x}}
*  [http://www.muslimheritage.com/article/mechanical-water-clock-ibn-al-haytham The Mechanical Water Clock Of Ibn Al-Haytham]
* [https://maghzrayaneh.ir/services-computer computer servies on site] on clocks

{{Time Topics}}
{{Time measurement and standards}}
{{Authority control}}

[[Category:Water clocks| ]]
[[Category:Egyptian inventions]]
[[Category:Time measurement systems]]
[[Category:Timekeeping]]