SettingsClocks
24-hour analog dial
Clocks and watches with a 24-hour analog dial have an hour hand that makes one complete revolution, 360°, in a day (24 hours per revolution).
Clocks and watches with a 24-hour analog dial have an hour hand that makes one complete revolution, 360°, in a day (24 hours per revolution).
Act of Parliament clock
An "Act of Parliament clock" is a type of large clock originally hung in inns and taverns in the United Kingdom, beginning in the mid-18th century.
An "Act of Parliament clock" is a type of large clock originally hung in inns and taverns in the United Kingdom, beginning in the mid-18th century.
Aktiengesellschaft für Uhrenfabrikation Lenzkirch
Aktiengesellschaft für Uhrenfabrikation Lenzkirch was founded in 1851 in the village of Lenzkirch in Baden by Eduard Hauser who had trained in France and Switzerland.
Aktiengesellschaft für Uhrenfabrikation Lenzkirch was founded in 1851 in the village of Lenzkirch in Baden by Eduard Hauser who had trained in France and Switzerland.
Allan variance
The Allan variance (AVAR), also known as two-sample variance, is a measure of frequency stability in clocks, oscillators and amplifiers.
The Allan variance (AVAR), also known as two-sample variance, is a measure of frequency stability in clocks, oscillators and amplifiers.
American clock
The term American clock was used in the Victorian era and afterward to refer to a particular style of clock design followed by the American clockmakers of the day.
The term American clock was used in the Victorian era and afterward to refer to a particular style of clock design followed by the American clockmakers of the day.
Annual calendar
An annual calendar is a feature of a mechanical watch.
An annual calendar is a feature of a mechanical watch.
Antimagnetic watch
Anti-magnetic watches are those that are able to run with minimal deviation when exposed to a certain magnetic field.
Anti-magnetic watches are those that are able to run with minimal deviation when exposed to a certain magnetic field.
Astrarium
An astrarium, also called a planetarium, is the mechanical representation of the cyclic nature of astronomical objects in one timepiece.
An astrarium, also called a planetarium, is the mechanical representation of the cyclic nature of astronomical objects in one timepiece.
Atmos clock
Atmos is the brand name of a mechanical clock manufactured by Jaeger-LeCoultre in Switzerland which does not need to be wound manually.
Atmos is the brand name of a mechanical clock manufactured by Jaeger-LeCoultre in Switzerland which does not need to be wound manually.
Atomic clock
An atomic clock is a clock that uses an electronic transition frequency in the microwave, optical, or ultraviolet region of the electromagnetic spectrum of atoms as a frequency standard for its ...
An atomic clock is a clock that uses an electronic transition frequency in the microwave, optical, or ultraviolet region of the electromagnetic spectrum of atoms as a frequency standard for its ...
Atomic Clock Ensemble in Space
Atomic Clock Ensemble in Space is a project led by the European Space Agency which will place an ultra-stable atomic clock on the International Space Station.
Atomic Clock Ensemble in Space is a project led by the European Space Agency which will place an ultra-stable atomic clock on the International Space Station.
Atomic fountain
An atomic fountain is a cloud of atoms that are tossed upwards by lasers in the Earth's gravitational field.
An atomic fountain is a cloud of atoms that are tossed upwards by lasers in the Earth's gravitational field.
Atomichron
The Atomichron was the world's first commercial atomic clock, built by the National Company, Inc of Malden, Massachusetts.
The Atomichron was the world's first commercial atomic clock, built by the National Company, Inc of Malden, Massachusetts.
Audichron
Audichron was a talking clock, or a time announcer which was developed and produced by the Audichron Company, starting in the 1930s.
Audichron was a talking clock, or a time announcer which was developed and produced by the Audichron Company, starting in the 1930s.
Automatic quartz
Automatic quartz is a collective term describing watch movements that combine a self-winding rotor mechanism (as used in automatic mechanical watches) to generate electricity with a piezoelectri...
Automatic quartz is a collective term describing watch movements that combine a self-winding rotor mechanism (as used in automatic mechanical watches) to generate electricity with a piezoelectri...
Balloon clock
A balloon clock is a bracket clock with a waisted or balloon-shaped case.
A balloon clock is a bracket clock with a waisted or balloon-shaped case.
Barrel (horology)
Used in mechanical watches and clocks, a barrel is a cylindrical metal box closed by a cover, with a ring of gear teeth around it, containing a spiral spring called the mainspring, which provide...
Used in mechanical watches and clocks, a barrel is a cylindrical metal box closed by a cover, with a ring of gear teeth around it, containing a spiral spring called the mainspring, which provide...
Beverly Clock
The Beverly Clock is a clock situated in the foyer of the Department of Physics at the University of Otago, Dunedin, New Zealand.
The Beverly Clock is a clock situated in the foyer of the Department of Physics at the University of Otago, Dunedin, New Zealand.
Binary clock
A binary clock is usually a clock which displays traditional sexagesimal time in a binary format.
A binary clock is usually a clock which displays traditional sexagesimal time in a binary format.
Black Forest clockmakers
Craftsmanship of Black Forest clockmakers dates back to mid of the 17th century.
Craftsmanship of Black Forest clockmakers dates back to mid of the 17th century.
Borugak Jagyeongnu
The Borugak Jagyeongnu ("Water Clock of Borugak Pavilion"), classified as a scientific instrument, is the 229th National Treasure of South Korea and was designated by the South Korean government...
The Borugak Jagyeongnu ("Water Clock of Borugak Pavilion"), classified as a scientific instrument, is the 229th National Treasure of South Korea and was designated by the South Korean government...
Bracket clock
A bracket clock is a style of antique portable table clock made in the 17th and 18th centuries.
A bracket clock is a style of antique portable table clock made in the 17th and 18th centuries.
Brian Cobby
Brian Cobby (born 12 October 1929), is a British actor and telephone exchange worker who in 1985 became the first male voice of the British speaking clock.
Brian Cobby (born 12 October 1929), is a British actor and telephone exchange worker who in 1985 became the first male voice of the British speaking clock.
Bundy Manufacturing Company
The Bundy Manufacturing Company was a 19th Century American manufacturer of timekeeping devices that went through a series of mergers, eventually becoming part of International Business Machines.
The Bundy Manufacturing Company was a 19th Century American manufacturer of timekeeping devices that went through a series of mergers, eventually becoming part of International Business Machines.
Caesium standard
A caesium standard or caesium atomic clock is a primary frequency standard in which electronic transitions between the two hyperfine ground states of caesium-133 atoms are used to control ...
A caesium standard or caesium atomic clock is a primary frequency standard in which electronic transitions between the two hyperfine ground states of caesium-133 atoms are used to control ...
Candle clock
A candle clock is a thin candle with consistently spaced markings, that when burned, indicate the passage of periods of time.
A candle clock is a thin candle with consistently spaced markings, that when burned, indicate the passage of periods of time.
Carriage clock
A carriage clock is a small, spring-driven clock, designed for travelling, developed in the early 19th century in Austria.
A carriage clock is a small, spring-driven clock, designed for travelling, developed in the early 19th century in Austria.
Castle clock
A castle clock is a visually complicated clock originally appearing near the top of a castle and later a church tower.
A castle clock is a visually complicated clock originally appearing near the top of a castle and later a church tower.
Castle Combe Clock
The Castle Combe clock is situated in St. Andrews Church, Castle Combe, Wiltshire.
The Castle Combe clock is situated in St. Andrews Church, Castle Combe, Wiltshire.
Chemical clock
A chemical clock is a complex mixture of reacting chemical compounds in which the concentration of one or more components exhibits periodic changes.
A chemical clock is a complex mixture of reacting chemical compounds in which the concentration of one or more components exhibits periodic changes.
Chronograph
A chronograph is a specific type of watch that is used as a stopwatch combined with a display watch.
A chronograph is a specific type of watch that is used as a stopwatch combined with a display watch.
Chronometer watch
A chronometer watch is a kind of watch tested and certified to meet certain precision standards.
A chronometer watch is a kind of watch tested and certified to meet certain precision standards.
Cifra 3
The Cifra 3 is a clock designed by Italian architect Gino Valle (1923-2003) in 1965 and is widely considered a masterpiece of industrial design.
The Cifra 3 is a clock designed by Italian architect Gino Valle (1923-2003) in 1965 and is widely considered a masterpiece of industrial design.
Clock drift
Clock drift refers to several related phenomena where a clock does not run at the exact right speed compared to another clock.
Clock drift refers to several related phenomena where a clock does not run at the exact right speed compared to another clock.
Clock face
A clock face is the part of an analog clock (or watch) that displays the time through the use of a fixed numbered dial or dials and moving hands.
A clock face is the part of an analog clock (or watch) that displays the time through the use of a fixed numbered dial or dials and moving hands.
Clock network
A clock network or clock system is a set of clocks designed to always show exactly the same time by communicating with each other.
A clock network or clock system is a set of clocks designed to always show exactly the same time by communicating with each other.
Clock of the Long Now
The Clock of the Long Now, also called the 10,000-year clock, is a proposed mechanical clock designed to keep time for 10,000 years.
The Clock of the Long Now, also called the 10,000-year clock, is a proposed mechanical clock designed to keep time for 10,000 years.
Clock position
A clock position is the relative direction of an object described using the analogy of a 12-hour clock.
A clock position is the relative direction of an object described using the analogy of a 12-hour clock.
Clock synchronization
Clock synchronization is a problem from computer science and engineering which deals with the idea that internal clocks of several computers may differ.
Clock synchronization is a problem from computer science and engineering which deals with the idea that internal clocks of several computers may differ.
Clockkeeper
A clockkeeper, sometimes seen as clock keeper, refers to a form of employment seen prevalently during Middle Age Europe involving the tracking of time and the maintaining of clocks and oth...
A clockkeeper, sometimes seen as clock keeper, refers to a form of employment seen prevalently during Middle Age Europe involving the tracking of time and the maintaining of clocks and oth...
Clockmakers' Museum
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 Lond...
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 Lond...
Clockwork
A clockwork is the inner workings of either a mechanical clock or a device that operates in a similar fashion.
A clockwork is the inner workings of either a mechanical clock or a device that operates in a similar fashion.
Clocky
Clocky is a brand of alarm clock outfitted with wheels, allowing it to hide itself in order to force the owner awake in an attempt to find it.
Clocky is a brand of alarm clock outfitted with wheels, allowing it to hide itself in order to force the owner awake in an attempt to find it.
Colgate Clock (Indiana)
The Colgate Clock, located at a Colgate-Palmolive factory in Clarksville, Indiana, is one of the largest clocks in the world.
The Colgate Clock, located at a Colgate-Palmolive factory in Clarksville, Indiana, is one of the largest clocks in the world.
Colgate Clock (New Jersey)
The Colgate Clock is an octagonal clock facing the Hudson River near Exchange Place in Jersey City, New Jersey, United States, with a diameter of.
The Colgate Clock is an octagonal clock facing the Hudson River near Exchange Place in Jersey City, New Jersey, United States, with a diameter of.
Congreve clock
A Congreve clock (also known as Congreve's Rolling Ball Clock or Oscillating Path Rolling Ball Clock) is a type of clock that uses a ball rolling along a zig-zag track rather than a ...
A Congreve clock (also known as Congreve's Rolling Ball Clock or Oscillating Path Rolling Ball Clock) is a type of clock that uses a ball rolling along a zig-zag track rather than a ...
Corpus Clock
The Corpus Clock is a large sculptural clock at street level on the outside of the Taylor Library at Corpus Christi College, Cambridge University, at the junction of Bene't Street and Trumpingto...
The Corpus Clock is a large sculptural clock at street level on the outside of the Taylor Library at Corpus Christi College, Cambridge University, at the junction of Bene't Street and Trumpingto...
Cox's timepiece
Cox's timepiece is a clock developed in the 1760s by James Cox.
Cox's timepiece is a clock developed in the 1760s by James Cox.
Croydon Clocktower
Croydon Clocktower on Katharine Street in Croydon contains the Museum of Croydon, the Riesco Gallery with a collection of Chinese pottery and ceramics, a café and bar.
Croydon Clocktower on Katharine Street in Croydon contains the Museum of Croydon, the Riesco Gallery with a collection of Chinese pottery and ceramics, a café and bar.
Cuckoo clock
A cuckoo clock is a clock, typically pendulum-regulated, that strikes the hours with a sound like a common cuckoo's call and typically has a mechanical cuckoo that emerges with each note.
A cuckoo clock is a clock, typically pendulum-regulated, that strikes the hours with a sound like a common cuckoo's call and typically has a mechanical cuckoo that emerges with each note.
Cuckoo clock in culture
The Cuckoo clock, more than any other kind of timepiece, has often featured in literature, music, cinema, television, etc., in the Western culture, as a metaphor or allegory of innocence, childh...
The Cuckoo clock, more than any other kind of timepiece, has often featured in literature, music, cinema, television, etc., in the Western culture, as a metaphor or allegory of innocence, childh...
Cuckooland Museum
The Cuckooland Museum, previously known as the Cuckoo Clock Museum, is a museum that exhibits mainly cuckoo clocks, located in Tabley (Knutsford), Cheshire, England.
The Cuckooland Museum, previously known as the Cuckoo Clock Museum, is a museum that exhibits mainly cuckoo clocks, located in Tabley (Knutsford), Cheshire, England.
Dar al-Magana
Dar al-Magana (Arabic for "clockhouse") is a house in Fes, Morocco, built by the Marinid Sultan Abu Inan Faris which holds a weight-powered water clock.
Dar al-Magana (Arabic for "clockhouse") is a house in Fes, Morocco, built by the Marinid Sultan Abu Inan Faris which holds a weight-powered water clock.
Dar al-Muwaqqit
The Dar al-Muwaqqit is a room in the minaret of the Al-Karaouine mosque in Fes, Morocco.
The Dar al-Muwaqqit is a room in the minaret of the Al-Karaouine mosque in Fes, Morocco.
Department of Defense master clock
The Department of Defense master clock is the master clock to which time and frequency measurements for the United States Department of Defense are referenced.
The Department of Defense master clock is the master clock to which time and frequency measurements for the United States Department of Defense are referenced.
Dialling
Dialling usually means to make a telephone call by operating its rotary dial.
Dialling usually means to make a telephone call by operating its rotary dial.
Digital clock
A digital clock is a type of clock that uses digital electronic methods of keeping time.
A digital clock is a type of clock that uses digital electronic methods of keeping time.
Dipleidoscope
A dipleidoscope is an instrument used to determine true noon.
A dipleidoscope is an instrument used to determine true noon.
Doll's head clock
Doll's head clocks, often known by their French name tête de poupée, were popular in the later half of Louis XIV's reign.
Doll's head clocks, often known by their French name tête de poupée, were popular in the later half of Louis XIV's reign.
Doomsday Clock
The Doomsday Clock is a symbolic clock face, maintained since 1947 by the board of directors of the Bulletin of the Atomic Scientists at the University of Chicago.
The Doomsday Clock is a symbolic clock face, maintained since 1947 by the board of directors of the Bulletin of the Atomic Scientists at the University of Chicago.
Dreger Clock
The Dreger Clock is a huge town clock with 19 different dials and displays which tell the local (California) time, the time in 12 international cities (New York, Liverpool, Paris, Berlin, Petrog...
The Dreger Clock is a huge town clock with 19 different dials and displays which tell the local (California) time, the time in 12 international cities (New York, Liverpool, Paris, Berlin, Petrog...
Earth clock
An Earth Clock is a computer program or maybe separate device that will display a map of the Earth showing the zones where is day and where is night.
An Earth Clock is a computer program or maybe separate device that will display a map of the Earth showing the zones where is day and where is night.
Eastgate and Eastgate Clock
Eastgate and Eastgate Clock in Chester, Cheshire, England, stand on the site of the original entrance to the Roman fortress of Deva Victrix.
Eastgate and Eastgate Clock in Chester, Cheshire, England, stand on the site of the original entrance to the Roman fortress of Deva Victrix.
Egg timer
An egg-timer is a device the primary tankionline function of which is to assist in timing the cooking of eggs.
An egg-timer is a device the primary tankionline function of which is to assist in timing the cooking of eggs.
Electric clock
An electric clock is a clock that is powered by electricity instead of powered manually or by other sources of energy, specifically in order to wind the mainspring or to drive the pendulum or os...
An electric clock is a clock that is powered by electricity instead of powered manually or by other sources of energy, specifically in order to wind the mainspring or to drive the pendulum or os...
Electric Time Company
Electric Time Company, a worldwide manufacturer of Tower and Street clocks, was founded in 1928 and incorporated in the state of Massachusetts in 1932.
Electric Time Company, a worldwide manufacturer of Tower and Street clocks, was founded in 1928 and incorporated in the state of Massachusetts in 1932.
Elektronika 7
Electronics 7 are industrial clocks with luminescent indicators where each figure was formed by four or eleven 7-segment lamps.
Electronics 7 are industrial clocks with luminescent indicators where each figure was formed by four or eleven 7-segment lamps.
Elephant clock
The elephant clock was a medieval Islamic invention by al-Jazari, consisting of a weight powered water clock in the form of an elephant.
The elephant clock was a medieval Islamic invention by al-Jazari, consisting of a weight powered water clock in the form of an elephant.
Engle Monumental Clock
The Engle Monumental Clock is a monumental clock designed by Stephen Decatur Engle.
The Engle Monumental Clock is a monumental clock designed by Stephen Decatur Engle.
Eretz Yisrael Clock
An Eretz Yisrael Clock is a clock which is reset to 12:00 at sundown everyday.
An Eretz Yisrael Clock is a clock which is reset to 12:00 at sundown everyday.
Experimental Talking Clock
The Experimental Talking Clock was recorded circa 1878 by inventor Frank Lambert.
The Experimental Talking Clock was recorded circa 1878 by inventor Frank Lambert.
Flip clock
An analog clock with digital display (commonly referred to as a "flip clock") is a clock which displays information in a digital format on a split flap display, but actually keeps track of...
An analog clock with digital display (commonly referred to as a "flip clock") is a clock which displays information in a digital format on a split flap display, but actually keeps track of...
Floral clock
A floral clock or flower clock is a large decorative clock set into a flower bed in a park or other public recreation area.
A floral clock or flower clock is a large decorative clock set into a flower bed in a park or other public recreation area.
Floral clock (Frankfort, Kentucky)
The floral clock in Frankfort, Kentucky is a landmark located behind the Kentucky State Capitol.
The floral clock in Frankfort, Kentucky is a landmark located behind the Kentucky State Capitol.
Florn clock
Florn clocks were small manual travel and desk alarm clocks manufactured by the Florn Company of Germany.
Florn clocks were small manual travel and desk alarm clocks manufactured by the Florn Company of Germany.
Flyback chronograph
A flyback chronograph is a complication watch, which uses a single push of the button for stopping, resetting and restarting the chronograph function of the watch.
A flyback chronograph is a complication watch, which uses a single push of the button for stopping, resetting and restarting the chronograph function of the watch.
Flying pendulum clock
A flying pendulum clock is a clock that uses a flying pendulum escapement mechanism.
A flying pendulum clock is a clock that uses a flying pendulum escapement mechanism.
French Empire mantel clock
A French Empire-style mantel clock, is a type of elaborately decorated mantel clock made in France over the Napoleonic Empire between 1804–1814/15, although the clocks manufactured throughout th...
A French Empire-style mantel clock, is a type of elaborately decorated mantel clock made in France over the Napoleonic Empire between 1804–1814/15, although the clocks manufactured throughout th...
Fusee (horology)
Used in antique spring-powered mechanical watches and clocks, a fusee is a cone-shaped pulley with a spiral groove around it, wound with a cord or chain which is attached to the mainspring barrel.
Used in antique spring-powered mechanical watches and clocks, a fusee is a cone-shaped pulley with a spiral groove around it, wound with a cord or chain which is attached to the mainspring barrel.
Game clock
A game clock consists of two adjacent clocks and buttons to stop one clock while starting the other, such that the two component clocks never run simultaneously.
A game clock consists of two adjacent clocks and buttons to stop one clock while starting the other, such that the two component clocks never run simultaneously.
Geochron
Geochron, Inc. is an American company founded by James Kilburg, an inventor from Luxembourg.
Geochron, Inc. is an American company founded by James Kilburg, an inventor from Luxembourg.
Grande sonnerie
Grande sonnerie (French, meaning 'grand strike') is a complication in a mechanical watch or clock which combines a quarter striking mechanism with a repeater.
Grande sonnerie (French, meaning 'grand strike') is a complication in a mechanical watch or clock which combines a quarter striking mechanism with a repeater.
Grozny-City Towers Facade Clocks
The Grozny-City Clocks are located at the Northwest and Southeast side of the Grozny-City Towers and built in September 2011 and opened on 5 October 2011 on the birthday celebration of Chechnya ...
The Grozny-City Clocks are located at the Northwest and Southeast side of the Grozny-City Towers and built in September 2011 and opened on 5 October 2011 on the birthday celebration of Chechnya ...
Honcheonsigye
The Honcheonsigye is an astronomical clock created by Song I-yeong in 1669.
The Honcheonsigye is an astronomical clock created by Song I-yeong in 1669.
Hong Kong Watch & Clock Fair
The Hong Kong Watch & Clock Fair is a timepiece trade show held annually in Hong Kong.
The Hong Kong Watch & Clock Fair is a timepiece trade show held annually in Hong Kong.
Hourglass
An hourglass (sandglass, sand timer, sand clock, egg timer) measures the passage of a few minutes or an hour of time.
An hourglass (sandglass, sand timer, sand clock, egg timer) measures the passage of a few minutes or an hour of time.
Hydrogen maser
A Hydrogen maser, also known as hydrogen frequency standard, is a specific type of maser that uses the intrinsic properties of the hydrogen atom to serve as a precision frequency reference.
A Hydrogen maser, also known as hydrogen frequency standard, is a specific type of maser that uses the intrinsic properties of the hydrogen atom to serve as a precision frequency reference.
Incense clock
The incense clock is a Chinese timekeeping device that appeared during the Song Dynasty (960-1279) and spread to neighboring countries such as Japan.
The incense clock is a Chinese timekeeping device that appeared during the Song Dynasty (960-1279) and spread to neighboring countries such as Japan.
Independent clock
In telecommunications networks, independent clocks are free-running precision clocks located at the nodes which are used for synchronization.
In telecommunications networks, independent clocks are free-running precision clocks located at the nodes which are used for synchronization.
Iron Ring Clock
The Iron Ring Clock is a clock of unusual design created by four Mechanical Engineering students at McMaster University in Hamilton, Ontario, Canada.
The Iron Ring Clock is a clock of unusual design created by four Mechanical Engineering students at McMaster University in Hamilton, Ontario, Canada.
Jacquemart (bellstriker)
A jacquemart (sometimes spelled "Jaquemart") is a automaton, an animated, mechanised figure of a person, usually made from wood or metal, which strikes the hours on a bell with a hammer.
A jacquemart (sometimes spelled "Jaquemart") is a automaton, an animated, mechanised figure of a person, usually made from wood or metal, which strikes the hours on a bell with a hammer.
Jane Cain
Ethel Jane Cain (1 May 1909 - 19 September 1996) was a British telephonist and the original voice of the speaking clock in the United Kingdom.
Ethel Jane Cain (1 May 1909 - 19 September 1996) was a British telephonist and the original voice of the speaking clock in the United Kingdom.
Japanese clock
A Japanese clock is a mechanical clock that has been made to tell traditional Japanese time.
A Japanese clock is a mechanical clock that has been made to tell traditional Japanese time.
Jayrun Water Clock
The Jayrun Water Clock, a water clock built by the Arab engineer Muhammad al-Sa'ati, was positioned at the gate of Damascus, Syria, at the exit of the Umayyad Mosque in the 12th century during t...
The Jayrun Water Clock, a water clock built by the Arab engineer Muhammad al-Sa'ati, was positioned at the gate of Damascus, Syria, at the exit of the Umayyad Mosque in the 12th century during t...
Jens Olsen's World Clock
Jens Olsen's World Clock or Verdensur is an advanced astronomical clock which is displayed in Copenhagen City Hall.
Jens Olsen's World Clock or Verdensur is an advanced astronomical clock which is displayed in Copenhagen City Hall.
Jessop's Clock
Jessop's Clock is a large outdoor pendulum clock located in San Diego, California, USA. It was commissioned in 1905 by one of the city's noted jewelers, Joseph Jessop.
Jessop's Clock is a large outdoor pendulum clock located in San Diego, California, USA. It was commissioned in 1905 by one of the city's noted jewelers, Joseph Jessop.
L'horloge fleurie
"L'horloge fleurie" (or "flower clock") was - with its diameter of 5 metres - the largest of its kind in the world until the installation of a 15 metres flower clock in Tehran, Iran on the 7th ...
"L'horloge fleurie" (or "flower clock") was - with its diameter of 5 metres - the largest of its kind in the world until the installation of a 15 metres flower clock in Tehran, Iran on the 7th ...
Le Défenseur du Temps
Le Défenseur du Temps is a large mechanical work of art in the form of a clock created by the French artist Jacques Monestier.
Le Défenseur du Temps is a large mechanical work of art in the form of a clock created by the French artist Jacques Monestier.
Lenzkirch Clocks
Uhrenfabrik Lenzkirch or Lenzkirch Clocks was founded in 1851 in the village of Lenzkirch in Baden by Eduard Hauser who had trained in France and Switzerland.
Uhrenfabrik Lenzkirch or Lenzkirch Clocks was founded in 1851 in the village of Lenzkirch in Baden by Eduard Hauser who had trained in France and Switzerland.
Lighthouse clock
A lighthouse clock is a type of mantel clock manufactured in the U. S. from 1818 through 1830s by the American clockmaker Simon Willard, having the dial and works exposed beneath a glass dome on...
A lighthouse clock is a type of mantel clock manufactured in the U. S. from 1818 through 1830s by the American clockmaker Simon Willard, having the dial and works exposed beneath a glass dome on...
Longcase clock
A longcase clock, also tall-case clock, floor clock, or grandfather clock, is a tall, freestanding, weight-driven pendulum clock with the pendulum held inside the tower, or wa...
A longcase clock, also tall-case clock, floor clock, or grandfather clock, is a tall, freestanding, weight-driven pendulum clock with the pendulum held inside the tower, or wa...
Louisville Clock
The Louisville Clock is a high ornamental clock once located on Fourth Street in Louisville, Kentucky.
The Louisville Clock is a high ornamental clock once located on Fourth Street in Louisville, Kentucky.
Mantel clock
Mantel clocks are relatively small house clocks traditionally placed on the shelf, or mantel, above the fireplace.
Mantel clocks are relatively small house clocks traditionally placed on the shelf, or mantel, above the fireplace.
Marine chronometer
A marine chronometer is a clock that is precise and accurate enough to be used as a portable time standard; it can therefore be used to determine longitude by means of celestial navigation.
A marine chronometer is a clock that is precise and accurate enough to be used as a portable time standard; it can therefore be used to determine longitude by means of celestial navigation.
Master clock
A master clock is a precision clock that provides timing signals to synchronize slave clocks as part of a clock network.
A master clock is a precision clock that provides timing signals to synchronize slave clocks as part of a clock network.
Mechanical Galleon
The Mechanical Galleon is an elaborate nef or table ornament in the form of a ship, which is also an automaton and clock.
The Mechanical Galleon is an elaborate nef or table ornament in the form of a ship, which is also an automaton and clock.
Mechanical watch
A mechanical watch is a watch that uses a mechanical mechanism to measure the passage of time, as opposed to modern quartz watches which function electronically.
A mechanical watch is a watch that uses a mechanical mechanism to measure the passage of time, as opposed to modern quartz watches which function electronically.
Mengenlehreuhr
The Mengenlehreuhr or Berlin-Uhr is the first public clock in the world that tells the time by means of illuminated, coloured fields, for which it entered the Guinness Book of Records ...
The Mengenlehreuhr or Berlin-Uhr is the first public clock in the world that tells the time by means of illuminated, coloured fields, for which it entered the Guinness Book of Records ...
Microcosm (clock)
Microcosm was a unique clock made by Henry Bridges of Waltham Abbey, England.
Microcosm was a unique clock made by Henry Bridges of Waltham Abbey, England.
Modified Allan variance
The modified Allan variance (MAVAR), also known as mod σy2(τ), is a variable bandwidth modified variant of Allan variance, a measurement of frequency stability in cl...
The modified Allan variance (MAVAR), also known as mod σy2(τ), is a variable bandwidth modified variant of Allan variance, a measurement of frequency stability in cl...
Mora clock
Mora clocks are a type of longcase clock which were made in, and derived their name from, the town of Mora in Dalarna province, Sweden.
Mora clocks are a type of longcase clock which were made in, and derived their name from, the town of Mora in Dalarna province, Sweden.
Movement (clockwork)
In horology, a movement is the internal mechanism of a clock or watch, as opposed to the case, which encloses and protects the movement, and the face which displays the time.
In horology, a movement is the internal mechanism of a clock or watch, as opposed to the case, which encloses and protects the movement, and the face which displays the time.
Musical clock
A Musical clock is a clock that marks the hours of the day with a musical tune played from a spiked cylinder either on bells, organ pipes, bellows, combs and even dulcimer strings.
A Musical clock is a clock that marks the hours of the day with a musical tune played from a spiked cylinder either on bells, organ pipes, bellows, combs and even dulcimer strings.
Myriad year clock
The Myriad year clock, was a universal clock designed by the Japanese inventor Hisashige Tanaka in 1851.
The Myriad year clock, was a universal clock designed by the Japanese inventor Hisashige Tanaka in 1851.
National Debt Clock
The National Debt Clock is a billboard-sized running total dot-matrix display which constantly updates to show the current United States gross national debt and each American family's share of t...
The National Debt Clock is a billboard-sized running total dot-matrix display which constantly updates to show the current United States gross national debt and each American family's share of t...
NIST-F1
NIST-F1 is a cesium fountain clock or atomic clock in the National Institute of Standards and Technology in Boulder, Colorado, and serves as the United States' primary time and frequency standard.
NIST-F1 is a cesium fountain clock or atomic clock in the National Institute of Standards and Technology in Boulder, Colorado, and serves as the United States' primary time and frequency standard.
NIST-F2
NIST-F2 is a caesium fountain atomic clock under construction that will serve as the United States' primary time and frequency standard.
NIST-F2 is a caesium fountain atomic clock under construction that will serve as the United States' primary time and frequency standard.
Oakwood, Leeds
Oakwood is an affluent suburb of north-east Leeds, West Yorkshire, England, that lies between Gipton and Roundhay Park.
Oakwood is an affluent suburb of north-east Leeds, West Yorkshire, England, that lies between Gipton and Roundhay Park.
Observatory Chronometer
A very rare and very accurate form of Chronometer is the Observatory Chronometer.
A very rare and very accurate form of Chronometer is the Observatory Chronometer.
Oil-lamp clock
Oil-lamp clocks are clocks consisting of a graduated glass reservoir to hold oil - usually whale oil, which burned cleanly and evenly - supplying the fuel for a built-in lamp.
Oil-lamp clocks are clocks consisting of a graduated glass reservoir to hold oil - usually whale oil, which burned cleanly and evenly - supplying the fuel for a built-in lamp.
Pat Simmons
Pat Simmons (1920 – 29 October 2005) was the voice of the United Kingdom's Speaking Clock from 1963 until 1985.
Pat Simmons (1920 – 29 October 2005) was the voice of the United Kingdom's Speaking Clock from 1963 until 1985.
Pat Simmons (voice actor)
Pat Simmons (1920 – 29 October 2005) was the voice of the United Kingdom's Speaking Clock from 1963 until 1985.
Pat Simmons (1920 – 29 October 2005) was the voice of the United Kingdom's Speaking Clock from 1963 until 1985.
Pendulum clock
A pendulum clock is a clock that uses a pendulum, a swinging weight, as its timekeeping element.
A pendulum clock is a clock that uses a pendulum, a swinging weight, as its timekeeping element.
Pipe organ clock
A pipe organ clock was a clock that chimed with a small pipe organ built into the unit.
A pipe organ clock was a clock that chimed with a small pipe organ built into the unit.
Power reserve
Power Reserve Indicator (originally called Réserve de Marche) is a complication of the watch, which is designed to show the amount of remaining stored energy.
Power Reserve Indicator (originally called Réserve de Marche) is a complication of the watch, which is designed to show the amount of remaining stored energy.
Prague Metronome
The Metronome is a giant, functional metronome located overlooking the Vltava River and the city center of Prague.
The Metronome is a giant, functional metronome located overlooking the Vltava River and the city center of Prague.
Primary Atomic Reference Clock in Space
The Primary Atomic Reference Clock in Space or PARCS is an atomic-clock mission once scheduled to fly on the International Space Station (ISS) in 2008, but cancelled to make way for the Vi...
The Primary Atomic Reference Clock in Space or PARCS is an atomic-clock mission once scheduled to fly on the International Space Station (ISS) in 2008, but cancelled to make way for the Vi...
Principal clock
In telecommunications, the principal clock of a set of redundant clocks, is the clock that is selected for normal use.
In telecommunications, the principal clock of a set of redundant clocks, is the clock that is selected for normal use.
Projection clock
A projection clock (also called ceiling clock) is an analog or digital clock equipped with a projector that creates an enlarged image of the clock face on any suitable projection screen, m...
A projection clock (also called ceiling clock) is an analog or digital clock equipped with a projector that creates an enlarged image of the clock face on any suitable projection screen, m...
Pulsar clock
A pulsar clock is a clock which depends on counting radio pulses emitted by pulsars.
A pulsar clock is a clock which depends on counting radio pulses emitted by pulsars.
Quantum clock
A quantum clock is a type of clock that confines aluminum and beryllium ions together in an electromagnetic trap and cools them by lasers to near absolute zero temperatures.
A quantum clock is a type of clock that confines aluminum and beryllium ions together in an electromagnetic trap and cools them by lasers to near absolute zero temperatures.
Quartz clock
A quartz clock is a clock that uses an electronic oscillator that is regulated by a quartz crystal to keep time.
A quartz clock is a clock that uses an electronic oscillator that is regulated by a quartz crystal to keep time.
Radio clock
A radio clock or radio-controlled clock is a clock that is synchronized by a time code bit stream transmitted by a radio transmitter connected to a time standard such as an atomic clock.
A radio clock or radio-controlled clock is a clock that is synchronized by a time code bit stream transmitted by a radio transmitter connected to a time standard such as an atomic clock.
Rathaus-Glockenspiel
The Rathaus-Glockenspiel of Munich is a tourist attraction in Marienplatz the heart of Munich.
The Rathaus-Glockenspiel of Munich is a tourist attraction in Marienplatz the heart of Munich.
Real-time clock
A real-time clock (RTC) is a computer clock (most often in the form of an integrated circuit) that keeps track of the current time.
A real-time clock (RTC) is a computer clock (most often in the form of an integrated circuit) that keeps track of the current time.
Repeater (horology)
A repeater is a complication in a mechanical watch or clock that audibly chimes the hours and often minutes at the press of a button.
A repeater is a complication in a mechanical watch or clock that audibly chimes the hours and often minutes at the press of a button.
Rolling ball clock
A rolling ball clock is a clock which displays time by means of balls and rails.
A rolling ball clock is a clock which displays time by means of balls and rails.
Royal Clock
The "Royal Clock" is located on the upper level of the southern half of the Queen Victoria Building in Sydney, Australia.
The "Royal Clock" is located on the upper level of the southern half of the Queen Victoria Building in Sydney, Australia.
Rubidium standard
A rubidium standard or rubidium atomic clock is a frequency standard in which a specified hyperfine transition of electrons in rubidium-87 atoms is used to control the output frequency.
A rubidium standard or rubidium atomic clock is a frequency standard in which a specified hyperfine transition of electrons in rubidium-87 atoms is used to control the output frequency.
Salisbury cathedral clock
The Salisbury Cathedral clock is a large iron-framed clock without a dial located in the aisle of Salisbury Cathedral.
The Salisbury Cathedral clock is a large iron-framed clock without a dial located in the aisle of Salisbury Cathedral.
Salomon Coster
Salomon Coster (c. 1620–1659) is a Dutch clockmaker of the Hague, who in 1657 was the first clockmaker to make a pendulum clock, which had been invented by Christiaan Huygens (1629-1695).
Salomon Coster (c. 1620–1659) is a Dutch clockmaker of the Hague, who in 1657 was the first clockmaker to make a pendulum clock, which had been invented by Christiaan Huygens (1629-1695).
Sara Mendes da Costa
Sara Mendes da Costa, born c. 1966, from Brighton & Hove became the fourth permanent holder of the iconic role of the voice of the UK Speaking Clock, first established in 1936, at 08:00 BST on 2...
Sara Mendes da Costa, born c. 1966, from Brighton & Hove became the fourth permanent holder of the iconic role of the voice of the UK Speaking Clock, first established in 1936, at 08:00 BST on 2...
Scaphe
The scaphe (or skaphe, also scaphium or scaphion) was a sundial said to have been invented by Aristarchus (3rd century BC).
The scaphe (or skaphe, also scaphium or scaphion) was a sundial said to have been invented by Aristarchus (3rd century BC).
Seconds pendulum
A seconds pendulum is a pendulum whose period is precisely two seconds; one second for a swing in one direction and one second for the return swing, a frequency of 1/2 Hz.
A seconds pendulum is a pendulum whose period is precisely two seconds; one second for a swing in one direction and one second for the return swing, a frequency of 1/2 Hz.
Sector clock
A Sector clock was a round clock mounted on mahogany used at military airfields and observation posts in the United Kingdom to track the movements of enemy aircraft and control friendly aircraft.
A Sector clock was a round clock mounted on mahogany used at military airfields and observation posts in the United Kingdom to track the movements of enemy aircraft and control friendly aircraft.
Self timer
A self timer is a device on a camera that gives a delay between pressing the shutter release and the shutter's firing.
A self timer is a device on a camera that gives a delay between pressing the shutter release and the shutter's firing.
Self Winding Clock Company
The Self Winding Clock company was a major manufacturer of clocks from 1886 until about 1970.
The Self Winding Clock company was a major manufacturer of clocks from 1886 until about 1970.
Seth Thomas Clock Company
Seth Thomas (1785 – 1859) was a famous 19th century American clock maker and a pioneer of mass production.
Seth Thomas (1785 – 1859) was a famous 19th century American clock maker and a pioneer of mass production.
Shepherd gate clock
The Shepherd Gate Clock is the clock mounted on the wall outside the gate of the Royal Greenwich Observatory building in Greenwich, London.
The Shepherd Gate Clock is the clock mounted on the wall outside the gate of the Royal Greenwich Observatory building in Greenwich, London.
Shortt-Synchronome clock
The Shortt-Synchronome free pendulum clock was a complex precision electromechanical pendulum clock invented in 1921 by British railway engineer William Hamilton Shortt in collaboration with hor...
The Shortt-Synchronome free pendulum clock was a complex precision electromechanical pendulum clock invented in 1921 by British railway engineer William Hamilton Shortt in collaboration with hor...
Simon Willard clocks
Simon Willard were produced in Massachusetts in the Grafton and Roxbury, very close to downtown Boston, by Simon Willard, a celebrated U.S. clockmaker.
Simon Willard were produced in Massachusetts in the Grafton and Roxbury, very close to downtown Boston, by Simon Willard, a celebrated U.S. clockmaker.
Skeleton clock
A skeleton clock is any clock or wristwatch, though typically mechanical in nature, in which the parts that usually conceal the inner workings of the mechanism have been removed or significantly...
A skeleton clock is any clock or wristwatch, though typically mechanical in nature, in which the parts that usually conceal the inner workings of the mechanism have been removed or significantly...
Solar dial
A solar dial is type of time switch used primarily for controlling lighting.
A solar dial is type of time switch used primarily for controlling lighting.
Speaking clock
A speaking clock service is a recorded or simulated human voice service, usually accessed by telephone, that gives the correct time.
A speaking clock service is a recorded or simulated human voice service, usually accessed by telephone, that gives the correct time.
St Mark's Clock
St Mark's Clock is the clock housed in the St Mark's Clocktower, on St Mark's Square in Venice, adjoining the Procuratie Vecchie.
St Mark's Clock is the clock housed in the St Mark's Clocktower, on St Mark's Square in Venice, adjoining the Procuratie Vecchie.
Stopwatch
A stopwatch is a handheld timepiece designed to measure the amount of time elapsed from a particular time when activated to when the piece is deactivated.
A stopwatch is a handheld timepiece designed to measure the amount of time elapsed from a particular time when activated to when the piece is deactivated.
Street clock
A street clock is a clock specifically designed to be installed in a streetscape or other urban setting.
A street clock is a clock specifically designed to be installed in a streetscape or other urban setting.
Talking clock
A talking clock (also known as a "speaking clock" or "auditory clock") is a timekeeping device that presents the time as sounds.
A talking clock (also known as a "speaking clock" or "auditory clock") is a timekeeping device that presents the time as sounds.
Tellurion
A tellurion (also spelled tellurian), is a clock, typically of French or Swiss origin, surmounted by a mechanism that depicts how day, night and the seasons are caused by the movement of the...
A tellurion (also spelled tellurian), is a clock, typically of French or Swiss origin, surmounted by a mechanism that depicts how day, night and the seasons are caused by the movement of the...
Tide clock
A tide clock is a specially-designed clock that keeps track of the Moon's apparent motion around the Earth.
A tide clock is a specially-designed clock that keeps track of the Moon's apparent motion around the Earth.
Time clock
A time clock, sometimes known as a clock card machine or punch clock or time recorder, is a mechanical timepiece used to assist in tracking the hours an employee of a company w...
A time clock, sometimes known as a clock card machine or punch clock or time recorder, is a mechanical timepiece used to assist in tracking the hours an employee of a company w...
Timewheel
The Timewheel (Időkerék) is one of the world's largest hourglasses, situated in Budapest, Hungary next to City Park, right of Heroes' Square and behind the Palace of Art (Műcsarnok).
The Timewheel (Időkerék) is one of the world's largest hourglasses, situated in Budapest, Hungary next to City Park, right of Heroes' Square and behind the Palace of Art (Műcsarnok).
Torsion pendulum clock
A torsion pendulum clock, or torsion clock, is a mechanical clock which keeps time with a mechanism called a torsion pendulum.
A torsion pendulum clock, or torsion clock, is a mechanical clock which keeps time with a mechanism called a torsion pendulum.
Trumpeter clock
A trumpeter clock is a type of clock that uses air vibrating a reed to mimic the sound of a trumpet.
A trumpeter clock is a type of clock that uses air vibrating a reed to mimic the sound of a trumpet.
Turret clock
A Turret clock is a clock mounted in a tower or turret, usually to show the current time on a dial with hand(s) or to announce the time by strike, or both.
A Turret clock is a clock mounted in a tower or turret, usually to show the current time on a dial with hand(s) or to announce the time by strike, or both.
Watch
A watch is a small clock, typically worn either on the wrist or attached on a chain and carried in a pocket; wristwatches, however, are the most common type of watch used today.
A watch is a small clock, typically worn either on the wrist or attached on a chain and carried in a pocket; wristwatches, however, are the most common type of watch used today.
Wells Cathedral clock
The Wells Cathedral clock is an astronomical clock in the north transept of Wells Cathedral, England.
The Wells Cathedral clock is an astronomical clock in the north transept of Wells Cathedral, England.
Westminster Quarters
The Westminster Quarters is the most common name for a melody used by a set of clock bells to chime on each quarter hour.
The Westminster Quarters is the most common name for a melody used by a set of clock bells to chime on each quarter hour.
World clock
:For Jens Olsen's World Clock, which is actually an astronomical clock, see Jens Olsen's World Clock A world clock, often called a "Worldtime Clock", is a clock which displays the time for...
:For Jens Olsen's World Clock, which is actually an astronomical clock, see Jens Olsen's World Clock A world clock, often called a "Worldtime Clock", is a clock which displays the time for...
Ébauche
Ébauche is a term used in art to denote the first preliminary underpainting or quick sketch in oils for an oil painting.
Ébauche is a term used in art to denote the first preliminary underpainting or quick sketch in oils for an oil painting.