Sponsored Links:
Leap Year Calculation for Year 2000 (Popularity:  )
http://h71000.www7.hp.com/openvms/products/year-2000/leap.html
A response to a VMS problem report giving a detailed explanation of why 2000 is a leap year.
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Pocket Horology (Popularity: )
http://www.pockethorology.org/
National chapter of the NAWCC dedicated to collaborative research on the history and horology of pocket watches.
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24 hour analog clocks (Popularity: )
http://homepage.mac.com/pete.boardman/24hourclock/
The 24 hour analog clock and watch site. History, software, and the places to find clocks with 24 h dials.
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Horology.com (Popularity: )
http://www.horology.com/
Horology is the science of time, timekeeping and timekeepers. Organized collection of links to horological websites globally.
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Antique Horology (Popularity: )
http://www.antique-horology.org/
The Horological Foundation's directory of web sites for watches, clocks, instruments and barometers.
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How Stuff Works: Time (Popularity: )
http://www.howstuffworks.com/time.htm
Complete five-part explanation of time and how it is measured, including information about clocks, time zones, calendars, BC and AD.
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On Time (Popularity: )
http://americanhistory.si.edu/ontime/
The Smithsonian Institute's exhibition on the changing ways we have measured, used, and thought about time over the past three ...
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How The Days of the Week Got Their Names (Popularity: )
http://www.indepthinfo.com/weekdays/index.shtml
A short history of the week and each day of the week.
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Louis Essen (Popularity: )
http://www.btinternet.com/~time.lord/
Autobiography of the physicist who built the world's first operational atomic clock.
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"Orologio" at the St. Mark's Square Tower, Venice - Antica Orologeria Zamberlan (Popularity: )
http://www.orologeria.com/english/tower/index.htm
Website of Antica Orologeria Zamberlan, Italy. Extensive technical and historical explanation of the restoration and controversy of the "Orologio" Tower ...
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Online Clock Building (Popularity: )
http://www.onlineclockbuilding.com
Watch a master clockmaker building a clock movement from scratch. Hundreds of photos and drawings, plus a complete description of ...
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Towerclocks.org - Towerclocks in the World (Popularity: )
http://www.towerclocks.org
Descriptions, photos and history of tower clocks in the world (English, Español, Português).
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Allan Variance -- Overview by David W. Allan (Popularity: )
http://www.allanstime.com/AllanVariance/
Core algorithm of international time scale has multiple metrology applications, from atomic clock frequency characterization to definition of the meter. ...
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Jens Olsen's Astronomical Clock (Popularity: )
http://www.ateliera.dk/olsen.htm
Description of the restoration of Jens Olsen's Astronomical Clock, a masterpiece in Copenhagen City Hall that consists of 15.448 individual ...
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Mark Frank's Home Page (Popularity: )
http://www.my-time-machines.net
Website showing the restoration of a french flat bed tower clock in great detail, step by step, as well as ...
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Daylight Saving Time (Popularity: )
http://webexhibits.org/daylightsaving/
History of daylight saving time and how we use it to save energy.
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Clocks and Time (Popularity: )
http://www.ubr.com/clocks/
Horological index for organizations, clock and watch museums, related software, mailing lists and links. Maintained by Gordon T. Uber.
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R.A. Braithwaite (Popularity: )
http://www.braithwaitesjewellers.co.uk
Educational site Elliott clocks, how they are built and how to look after them.
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UNITAS Reference Site (Popularity: )
http://www.unitas.netfirms.com
UNITAS wristwatch and pocketwatch movements from 1898 to the present.
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Clock a History (Popularity: )
http://www.ernie.cummings.net/clock.htm
A brief history of time keeping. How mankind has used the sun, water, candles, sand, pendulums, springs, electronics, tuning forks, ...
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