Horology is the study of the science and art of timekeeping devices. Clocks, watches, and chronometers are examples of instruments used to measure time. For alternate uses of time, see Time (disambiguation) or see TIME (magazine). ... Time measuring instrument A clock (from the Latin cloca, bell) is an instrument for measuring time. ... This page is about timekeeping devices. ... A chronometer is a clock designed to have sufficient long-term accuracy that it can be used as a portable time standard on a vehicle, usually in order to determine longitude by means of celestial navigation. ... Captain Nemo and Professor Aronnax contemplating measuring instruments in Twenty Thousand Leagues Under the Sea In physics and engineering, measurement is the activity of comparing physical quantities of real-world objects and events. ...

Horology has a long history and there are many museums and several specialised libraries devoted to the subject. An example is the Royal Greenwich Observatory, which is also the source of the Prime Meridian (longitude 0° 0' 0"), and the home of the first marine timekeepers accurate enough to determine longitude (made by John Harrison). One of the more comprehensive museums dedicated to horology is the Musée international d'horlogerie in La Chaux-de-Fonds (Switzerland). One of the better horological museums in Germany is the Deutsches Uhrenmuseum. The two leading specialised horological museums in North America are the National Watch and Clock Museum in Columbia Pa. and the American Clock and Watch Museum in Bristol CT. A museum is a non-profit making, permanent institution in the service of society and of its development, open to the public, which acquires, conserves, researches, communicates and exhibits, for purposes of study, education and enjoyment, the tangible and intangible evidence of people and their environment. ... Royal Observatory, Greenwich The original site of the Royal Greenwich Observatory (RGO), which was built as a workplace for the Astronomer Royal, was on a hill in Greenwich Park in Greenwich, London, overlooking the River Thames. ... Location of the Prime Meridian Prime Meridian in Greenwich The Prime Meridian, also known as the International Meridian or Greenwich Meridian, is the meridian (line of longitude) passing through the Royal Greenwich Observatory, Greenwich, England — it is the meridian at which longitude is 0 degrees. ... Longitude, sometimes denoted by the Greek letter λ (lambda),[1][2] describes the location of a place on Earth east or west of a north-south line called the Prime Meridian. ... John Harrison John Harrison (March 24, 1693–March 24, 1776) was an English clockmaker, who designed and built the worlds first successful chronometer (maritime clock), one whose accuracy was great enough to allow the determination of longitude over long distances. ... Musée International dHorlogerie is a museum located in La Chaux-de-Fonds, Switzerland, dedicated to horology, which is the study of time, timekeeping and timekeeping devices (primarily clocks and watches). ... Location within Switzerland La Chaux-de-Fonds is a city located in the Jura mountains in Switzerland. ... There are very few or no other articles that link to this one. ... The National Watch and Clock Museum (USA) (NWCM) located in Columbia, Pennsylvania is one of very few museums in the country solely dedicated to horology, i. ...

One of the most comprehensive horological libraries open to the public is the National Watch and Clock Library in Columbia, PA (USA). National Watch and Clock Library is one of the worlds preeminent libraries devoted to horology and is located in Columbia, PA, USA. It is operated by the National Association of Watch & Clocks Collectors for the benefit of both the public and the members of the associationn. ... Columbia is a borough located in Lancaster County, Pennsylvania. ...

People interested in horology are called horologists. That term is used both by people who deal professionally with timekeeping apparatus (watchmakers, clockmakers), as well as aficionados and scholars of horology. Horology and horologists have numerous organisations, both professional associations and more scholarly societies.

The leading scholarly horological organisations for non-professionals are:

• Antiquarian Horological Society - AHS (United Kingdom)
• Association Française des Amateurs d'Horlogerie Ancienne - AFAHA (France)
• British Horological Institute - BHI (United Kingdom)
• Chronometrophilia (Switzerland)
• Deutsche Gesellschaft fur Chronometrie - DGC (Germany)
• HORA Associazione Italiana Cultori di Orologeria Antica (Italy)
• National Association of Watch and Clock Collectors - NAWCC (United States of America)

Antiquatian Horlogical Society ,abreviated as AHS, is the british organization of scholars and enthusiasts of horology. ... The British Horological Institute (also known as the BHI) is the representative body of the horological industry in the United Kingdom. ... This article, image, template or category should belong in one or more categories. ... Deutsche Gesellschaft fũr Chronometrie, also known as DGC, (German Society for Timekeeping) today is an organization of scholars, collectors and enthusiasts in Germany interested in the science, art and history of horology. ... The National Association of Watch and Clock Collectors (NAWCC) is an American non-profit organization with over 38,000 members. ...

See also

Look up horology in
Wiktionary, the free dictionary.

Wikipedia does not have an article with this exact name. ... It has been suggested that French Wiktionary be merged into this article or section. ...

People

• Abraham Louis Bréguet
• Aaron Lufkin Dennison
• Rupert Gould
• John Harrison
• Jens Olsen
• Richard of Wallingford
• Simon Willard

Abraham-Louis Breguet or Bréguet (10 January 1747 – 17 September 1823), born in Neuchâtel in Switzerland, made many innovations in the course of a career in watchmaking in France. ... Aaron Lufkin Dennison (March 6, 1812- January 9, 1895) was an American watchmaker born in Freeport, Maine. ... Rupert Gould (November 16, 1890 - October 5, 1948), was a Lieutenant Commander in the British Royal Navy, and is perhaps most widely known for restoring the chronometers of John Harrison. ... John Harrison John Harrison (March 24, 1693–March 24, 1776) was an English clockmaker, who designed and built the worlds first successful chronometer (maritime clock), one whose accuracy was great enough to allow the determination of longitude over long distances. ... Jens Olsen was a clockmaker, locksmith and astromechanic who built the famous world clock located in the city hall of Copenhagen, the Rådhus. ... Richard of Wallingford (1292–1336) was an English mathematician active in the 14th century, who made major contributions to astronomy and horology whilst serving as the abbot of St Albans Abbey. ... Wikipedia does not yet have an article with this exact name. ...

Professions

• clockmaker
• watchmaker

A clockmaker is an artisan who makes and repairs clocks. ... A watchmaker is an artisan who makes and repairs watches. ...

Museums (dedicated to horology)

• American Clock and Watch Museum, Bristol CT, USA
• British Horological Institute, Upton UK
• Clockmakers' Museum, London, UK
• Deutsches Uhrenmuseum, Furtwangen im Schwarzwald, Germany
• Museum fũr Uhren und Mechanische Music, Oberhofen am Thunersee, Switzerland
• Musée d'Horlogerie du Locle, Le Locle, Switzerland
• Musée international d'horlogerie, La Chaux-de-Fonds, Switzerland
• National Watch and Clock Museum, Columbia, Pennsylvania, USA
• Royal Observatory, Greenwich, UK
• Städtisches Uhrenmuseum,Schulhof Wien, Austria
• Sydney Horological Centre, Sydney, Australia
• Uhrenindustriemuseum, Villingen-Schwenningen, Germany
• Uhrenmuseum Bayer, Zurich, Switzerland

The British Horological Institute (also known as the BHI) is the representative body of the horological industry in the United Kingdom. ... The Clockmakers Museum in London, England is a collection of clocks, watches and other horological items which belongs to the Worshipful Company of Clockmakers, which is one of the City of London Livery Companies. ... This article is about the capital of England and the United Kingdom. ... There are very few or no other articles that link to this one. ... Aerial view of the inner city Furtwangen im Schwarzwald is a small city located in the Black Forest region of south western Germany. ... The Museum fur Uhren und Mechanische Musik (MUMM, Museum of Timekeeping and Mechanical Music) is located in the village of Oberhofen am Thunersee, (Switzerland) and is a museum dedicated to both horology and mechanical music. ... Oberhofen am Thunersee is a village on the northern shore of Lake Thun (German: Thunersee)in Switzerland, about 5 km from the city of Thun (which is located where the river Aare leaves the lake). ... Le Locle is a town in the Jura mountains in Switzerland. ... Musée International dHorlogerie is a museum located in La Chaux-de-Fonds, Switzerland, dedicated to horology, which is the study of time, timekeeping and timekeeping devices (primarily clocks and watches). ... Location within Switzerland La Chaux-de-Fonds is a city located in the Jura mountains in Switzerland. ... The National Watch and Clock Museum (USA) (NWCM) located in Columbia, Pennsylvania is one of very few museums in the country solely dedicated to horology, i. ... Columbia is a borough located in Lancaster County, Pennsylvania. ... Royal Observatory, Greenwich one of the hyper-accurate chronometers at the observatory. ... Wien is the German language name for Vienna, the city and federal state in Austria. ... The Sydney Opera House on Sydney Harbour Sydney (pronounced ) is the most populous city in Australia, with a metropolitan area population of over 4. ... Location within Switzerland   Zürich[?] (German pronunciation IPA: ; usually spelled Zurich in English) is the largest city in Switzerland (population: 366,145 in 2004; population of urban area: 1,091,732) and capital of the canton of Zürich. ...

Museums (not specialized in horology, but displaying major horological collections)

• Boerhaave Museum, Leiden, Netherlands
• British Museum, London, UK
• Deutsches Museum, Munchen, Germany
• Frick Collection, New York, USA
• Metropolitan Museum, New York, USA
• Musée des Arts et Métiers, Paris, France
• Science Museum (London), UK
• Wallace Collection, London, UK

Museum Boerhaave is a natural history museum in Leiden, the Netherlands. ... The centre of the museum was redeveloped in 2000 to become the Great Court, surrounding the original Reading Room. ... Deutsches Museum The Deutsches Museum is one of the worlds largest museums of technology and science. ... Frick Collection Holbeins portrait of Thomas More is one of the highlights of the Frick Collection. ... NY redirects here. ... There is also the Museum of Modern Art (MoMA), located in Manhattan. ... NY redirects here. ... Foucault pendulum at the Musée des arts et métiers The Musée des Arts et Métiers is a museum in Paris that houses the collection of the Conservatoire National des Arts et Métiers, which was founded in 1794 as a depository for the preservation of scientific... City flag City coat of arms Motto: Fluctuat nec mergitur (Latin: Tossed by the waves, she does not sink) Paris Eiffel tower as seen from the esplanade du Trocadéro. ... The Science Museum on Exhibition Road, South Kensington, London is part of the National Museum of Science and Industry. ... The Wallace Collection is a national art museum located in London. ... This article is about the capital of England and the United Kingdom. ...

Institutions

• American Watchmakers-Clockmakers Institute, USA
• Antiquarian Horological Society, UK
• British Horological Institute, UK
• Chronometrophilia, Switzerland
• Deutsche Gesellschaft fur Chronometrie, Germany
• NAWCC, USA
• National Watch and Clock Library, USA
• Federation of the Swiss Watch Industry FH, Switzerland

The American Watchmakers-Clockmakers Institute (AWCI) is a not-for-profit trade association based in the United States that is dedicated to the advancement of horology. ... Antiquatian Horlogical Society ,abreviated as AHS, is the british organization of scholars and enthusiasts of horology. ... The British Horological Institute (also known as the BHI) is the representative body of the horological industry in the United Kingdom. ... This article, image, template or category should belong in one or more categories. ... Deutsche Gesellschaft fũr Chronometrie, also known as DGC, (German Society for Timekeeping) today is an organization of scholars, collectors and enthusiasts in Germany interested in the science, art and history of horology. ... The National Association of Watch and Clock Collectors (NAWCC) is an American non-profit organization with about 25,000 members. ... National Watch and Clock Library is one of the worlds preeminent libraries devoted to horology and is located in Columbia, PA, USA. It is operated by the National Association of Watch & Clocks Collectors for the benefit of both the public and the members of the associationn. ... The Federation of the Swiss Watch Industry FH is the Swiss watch industrys leading trade association. ...

Newsgroup

• alt.horology

The alt. ...

Others

• Timezone
• UTC

TimeZone is an Internet forum for discussion of watches and horology. ... ...

External links

• American Watchmakers-Clockmakers Institute
• BHI - The British Horological Institute
• Federation of the Swiss Watch Industry FH
• Musée d'horlogerie du Locle (Château des Monts)
• Musée International d'Horlogerie
• NAWCC: National Association of Watch & Clocks Collectors (USA)
• NAWCC - Horological Science Chapter
• Horology Patents
• NAWCC Internet Chapter 185
• Project Horologer watch database
• The Horology Source
• A Rudimentary Treatise on Clocks, Watches and Bells by Edmund Beckett, 1st Baron Grimthorpe, 1903, from project Gutenberg
• Timezone