Horology

horologisthorologicalhorologists$HOROLOGclockclockmakerclocksclocks and watchescollector of clocksHorologer
Horology ("the study of time", related to Latin horologium from Greek ὡρολόγιον, "instrument for telling the hour", from ὥρα hṓra "hour; time" and -o- interfix and suffix -logy) is the study of the measurement of time.wikipedia
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Clock

timepiecemechanical clockanalog clock
Clocks, watches, clockwork, sundials, hourglasses, clepsydras, timers, time recorders, marine chronometers, and atomic clocks are all examples of instruments used to measure time.
Traditionally in horology, the term clock was used for a striking clock, while a clock that did not strike the hours audibly was called a timepiece.

Watch

wristwatchwatcheswristwatches
Clocks, watches, clockwork, sundials, hourglasses, clepsydras, timers, time recorders, marine chronometers, and atomic clocks are all examples of instruments used to measure time.
The study of timekeeping is known as horology.

Time

temporaldurationsequence of events
Clocks, watches, clockwork, sundials, hourglasses, clepsydras, timers, time recorders, marine chronometers, and atomic clocks are all examples of instruments used to measure time. Horology ("the study of time", related to Latin horologium from Greek ὡρολόγιον, "instrument for telling the hour", from ὥρα hṓra "hour; time" and -o- interfix and suffix -logy) is the study of the measurement of time.
The study of these devices is called horology.

Watch Museum of Le Locle

Musée d'Horlogerie du LocleLe Locle Museum of HorologyMusée d'horlogerie
The Musée d'Horlogerie du Locle is smaller but located nearby.
The Watch Museum of Le Locle (French: Musée d'Horlogerie du Locle) is a municipal museum specializing in horology, located in Le Locle, Canton of Neuchâtel, Switzerland.

German Clock Museum

Deutsches UhrenmuseumGerman Clock Museum, German Clock Route
One of the better horological museums in Germany is the Deutsches Uhrenmuseum in Furtwangen im Schwarzwald, in the Black Forest.
It features permanent and temporary exhibits on the history of timekeeping.

Water clock

clepsydrawater clockswater-clock
Clocks, watches, clockwork, sundials, hourglasses, clepsydras, timers, time recorders, marine chronometers, and atomic clocks are all examples of instruments used to measure time.
Between 270 BC and AD 500, Hellenistic (Ctesibius, Hero of Alexandria, Archimedes) and Roman horologists and astronomers were developing more elaborate mechanized water clocks.

National Watch and Clock Museum

museum
The two leading specialised horological museums in North America are the National Watch and Clock Museum in Columbia, Pennsylvania and the American Clock and Watch Museum in Bristol, Connecticut.
The National Watch and Clock Museum (NWCM), located in Columbia, Pennsylvania, is one of a very few museums in the United States dedicated solely to horology, which is the history, science and art of timekeeping and timekeepers.

International Museum of Horology

Musée international d'horlogerieMussee Internationale d'HorlogerieMusee International d'Horlogerie
One of the more comprehensive museums dedicated to horology is the Musée international d'horlogerie in La Chaux-de-Fonds (Switzerland).
The International Museum of Horology, Musée international d'horlogerie, is a horological museum in La Chaux-de-Fonds, Switzerland.

Columbia, Pennsylvania

ColumbiaColumbia, PAColumbia Borough, Pennsylvania
The two leading specialised horological museums in North America are the National Watch and Clock Museum in Columbia, Pennsylvania and the American Clock and Watch Museum in Bristol, Connecticut. One of the most comprehensive horological libraries open to the public is the National Watch and Clock Library in Columbia, Pennsylvania.
It is notable today as the site of one of the world's few museums devoted entirely to horology.

American Clock & Watch Museum

American Clock and Watch Museum
The two leading specialised horological museums in North America are the National Watch and Clock Museum in Columbia, Pennsylvania and the American Clock and Watch Museum in Bristol, Connecticut.
The American Clock & Watch Museum (ACWM), located in Bristol, Connecticut, is one of a very few museums in the United States dedicated solely to horology, which is the history, science and art of timekeeping and timekeepers.

National Watch and Clock Library

library
One of the most comprehensive horological libraries open to the public is the National Watch and Clock Library in Columbia, Pennsylvania.
The National Watch and Clock Library is one of the world's pre-eminent libraries devoted to horology and is located in Columbia, Pennsylvania, United States.

British Horological Institute

Horological JournalFBHI(FBHI)
The British Horological Institute (also known as the BHI) is the representative body of the horological industry in the United Kingdom.

British Museum

The British MuseumBritish Museum PressBrit. Mus.
One 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). Other horological museums in the London area include the Clockmakers' Museum, which re-opened at the Science Museum in October 2015, the horological collections at the British Museum, the Science Museum (London), and the Wallace Collection.
The department includes the national collection of horology with one of the most wide-ranging assemblage of clocks, watches and other timepieces in Europe, with masterpieces from every period in the development of time-keeping.

Antiquarian Horological Society

The Antiquarian Horological Society, abbreviated to AHS, is the UK-based learned society for scholars and enthusiasts of horology.

Sundial

sundialssun dialsun clock
Clocks, watches, clockwork, sundials, hourglasses, clepsydras, timers, time recorders, marine chronometers, and atomic clocks are all examples of instruments used to measure time.

Chronometrophilia

It is a group of collectors and enthusiasts interested in the history of horology.

Deutsche Gesellschaft für Chronometrie

German Society for Timekeeping
Deutsche Gesellschaft für Chronometrie (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.

Movement (clockwork)

movementmovementswatch movement
In horology, a movement, also known as a caliber, is the mechanism of a watch or timepiece, as opposed to the case, which encloses and protects the movement, and the face, which displays the time.

Complication (horology)

complicationscomplicationcomplicated
In horology, a complication refers to any feature in a mechanical timepiece beyond the simple display of hours, minutes and seconds.

Chronometry

Chronometriquechronometerschronometric
In current usage, horology refers mainly to the study of mechanical time-keeping devices, while chronometry more broadly includes electronic devices that have largely supplanted mechanical clocks for the best accuracy and precision in time-keeping.

John Harrison

H-4H4H4 and H5
One 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). Other horological museums in the London area include the Clockmakers' Museum, which re-opened at the Science Museum in October 2015, the horological collections at the British Museum, the Science Museum (London), and the Wallace Collection.
Longitude: The True Story of a Lone Genius Who Solved the Greatest Scientific Problem of His Time became the first popular bestseller on the subject of horology.

Cuckooland Museum

An example of a museum devoted to one particular type of clock is the Cuckooland Museum in the UK, which hosts the world's largest collection of antique cuckoo clocks.
One of the aims of the museum is to restore and preserve the most unusual, outstanding and unusual exemplaries to be enjoyed by future generations, as well as to contribute to the appreciation and estimation of this timepiece through its importance in horology and historic significance in the Western culture.

History of timekeeping devices

timekeepinghistory of timekeepingtiming
This problem was addressed by Greek and Roman horologists beginning in 100, and improvements continued to be made in the following centuries.

Clockmakers' Museum

The Clockmakers' Museum
One 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). Other horological museums in the London area include the Clockmakers' Museum, which re-opened at the Science Museum in October 2015, the horological collections at the British Museum, the Science Museum (London), and the Wallace Collection.
Guildhall Library holds the Library of Worshipful Company of Clockmakers, one of the major publicly accessible collections of printed materials and manuscripts on British horology.

Winthrop Kellogg Edey

Winthrop Kellogg "Kelly" Edey (1938–1999) was a noted collector and horologist who lived in Manhattan, New York City.