| 1. | Horology.com | | | Horology is the science of time, timekeeping and timekeepers. Organized collection of links to horological websites globally.
www.horology.com |
| 2. | Horology - A Great Hobby | | | A very basic introduction to how electric clocks work, with animated pictures. Also a collection of cheap electric clocks with pictures and descriptions.
home.clara.net |
| 3. | Antique Horology | | | The Horological Foundation's directory of web sites for watches, clocks, instruments and barometers.
www.antique-horology.org |
| 5. | How Stuff Works: Time | | | Complete five-part explanation of time and how it is measured, including information about clocks, time zones, calendars, BC and AD.
www.howstuffworks.com |
| 7. | On Time | | | The Smithsonian Institute's exhibition on the changing ways we have measured, used, and thought about time over the past three hundred years.
americanhistory.si.edu |
| 9. | Louis Essen | | | Autobiography of the physicist who built the world's first operational atomic clock.
www.btinternet.com |
| 11. | Online Clock Building | | | Watch a master clockmaker building a clock movement from scratch. Hundreds of photos and drawings, plus a complete description of the process and CAD plans.
www.onlineclockbuilding.com |
| 12. | Cumbria Clock Company | | | Company specialized in all aspects of work connected with church clocks, public clocks, and tower clocks which includes the full historical restoration of antique clock movements.
www.clockmaker.co.uk |
| 13. | Allan Variance -- Overview by David W. Allan | | | Core algorithm of international time scale has multiple metrology applications, from atomic clock frequency characterization to definition of the meter. Equation, explanation and publications.
www.allanstime.com |
| 14. | Jens Olsen's Astronomical Clock | | | Description of the restoration of Jens Olsens Astronomical Clock, a masterpiece in Copenhagen City Hall that consists of 15.448 individual parts.
www.ateliera.dk |
| 15. | Mark Frank's Home Page | | | Website showing the restoration of a french flat bed tower clock in great detail, step by step, as well as other information and links of tower clock sites.
www.my-time-machines.net |
| 16. | The History of Clocks and Watches | | | Learn about the history of clocks and watches, and discover the evolution of timekeeping devices from the first primitive sundials to the ultramodern atomic clocks. Includes a timeline.
home.rochester.rr.com |
| 19. | Daylight Saving Time | | | History of daylight saving time and how we use it to save energy.
webexhibits.org |
| 20. | Hampton Court Clock | | | The story of the famous Astronomical clock at Hampton Court Palace. By the author of the original official guide books with the extra omitted information.
pages.zoom.co.uk |
| 21. | 24 hour analog clocks | | | The 24 hour analog clock and watch site. All about the 24 hour analog dials. History, software, even the places to find them.
www.cam.net.uk |
| 23. | Clocks and Time | | | Horological index for organizations, clock and watch museums, related software, mailing lists and links. Maintained by Gordon T. Uber.
www.ubr.com |
| 24. | R.A. Braithwaite | | | Educational site Elliott clocks, how they are built and how to look after them.
www.braithwaitesjewellers.co.uk |
| 25. | UNITAS Reference Site | | | UNITAS wristwatch and pocketwatch movements from 1898 to the present.
www.unitas.netfirms.com |
| 27. | Pocket Horology | | | National chapter of the NAWCC dedicated to collaborative research on the history and horology of pocket watches.
www.pockethorology.org |
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