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Website of Antica Orologeria Zamberlan, Italy. Includes technical and historical explanation of the restoration and controversy of the "Orologio" Tower at St. Mark's Square, Venice.
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The 24 hour analog clock and watch site. History, software, and the places to find clocks with 24 h dials.
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Traditional horology website with information and mantainance tips. Technical descriptions and troubleshooting of escapements. Grandfather clocks, wall clocks, and watches.
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Core algorithm of international time scale has multiple metrology applications, from atomic clock frequency characterization to definition of the meter. Equation, explanation and publications.
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The Horological Foundation's directory of web sites for watches, clocks, instruments and barometers.
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Horological index for organizations, clock and watch museums, related software, mailing lists and links. Maintained by Gordon T. Uber.
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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.
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Articles and pictures of the first two watches made by David Knight. Rich artistic pictures.
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History from Benjamin Franklin to the present. U.S. law and practice. Worldwide time change dates.
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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.
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Horology is the science of time, timekeeping and timekeepers. Organized collection of links to horological websites globally.
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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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A short history of the week and each day of the week.
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Description of the restoration of Jens Olsen's Astronomical Clock, a masterpiece in Copenhagen City Hall that consists of 15.448 individual parts.
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A Layman's Guide to the working and restoration of a Gent's Pulsynetic Waiting Train Electric Pendulum Turret Clock.
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A response to a VMS problem report giving a detailed explanation of why 2000 is a leap year.
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Biographical information on British physicist who built the first atomic clock at NPL. Links, including list of his papers, FAQ.
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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.
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National chapter of the NAWCC dedicated to collaborative research on the history and horology of pocket watches.
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Description, pictures and diagrams of many of the horological products made before 1945 By Gent's of Leicester GB, including a rare Observatory controlled transmitter.
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History of the clock and how Americans have measured time and been affected by it.
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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.
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UNITAS wristwatch and pocketwatch movements from 1898 to the present.