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Mechanism for regulating the speed of clocks
An escapement is a mechanical linkage in mechanical watches and clocks that gives impulses to the timekeeping element and periodically releases the gear
Escapement
Mechanism for regulating the speed of clocks
The coaxial escapement is a type of modern watch escapement mechanism invented by English watchmaker George Daniels in 1976 and patented in 1980. His
Coaxial_escapement
Early clock mechanism
The verge (or crown wheel) escapement is the earliest known type of mechanical escapement, the mechanism in a mechanical clock that controls its rate by
Verge_escapement
Part in mechanical clocks
The lever escapement, invented by the English clockmaker Thomas Mudge in 1754 (albeit first used in 1769), is a type of escapement that is used in almost
Lever_escapement
Topics referred to by the same term
Look up escapement in Wiktionary, the free dictionary. An escapement is a mechanism for imparting power to a clock or watch mechanism, with timing controlled
Escapement_(disambiguation)
Addition to the mechanics of a watch escapement
/tʊərˈbɪljən/) (French for 'whirlwind') is an addition to the mechanics of a watch escapement to increase accuracy. Conceived by the British watchmaker and inventor
Tourbillon
Type of mechanism used in pendulum clocks
In horology, the anchor escapement is a type of escapement used in pendulum clocks. The escapement is a mechanism in a mechanical clock that maintains
Anchor_escapement
Low friction clock escapement
grasshopper escapement is a low-friction escapement for pendulum clocks invented by British clockmaker John Harrison around 1722. An escapement, part of
Grasshopper_escapement
English horologist (1926–2011)
1926 – 21 October 2011) was an English horologist, inventor of the coaxial escapement, author and a classic car collector. He hand built 23 pocket watches and
George_Daniels_(watchmaker)
Salmon escapement is the amount of a salmon population that does not get caught by commercial or recreational fisheries and return to their freshwater
Salmon_escapement
thing to be improved was the escapement. The verge escapement was replaced in quality watches by the cylinder escapement, invented by Thomas Tompion in
History_of_watches
Mechanism for regulating the speed of clocks
development of the anchor escapement around 1670, which reduced the pendulum swing in clocks to 4°–6°. This became the standard escapement used in pendulum clocks
Pendulum
Type of watch which uses a clockwork mechanism to measure the passage of time
which oscillates back and forth at a constant rate. A device called an escapement releases the watch's wheels to move forward a small amount with each swing
Mechanical_watch
1958 British film by Montgomery Tully
Escapement (also known as The Electronic Monster) is a 1958 British horror science fiction film directed by Montgomery Tully and David Paltenghi (dream
Escapement_(film)
Design for a clock escapement
Galileo's escapement is a design for a clock escapement, invented around 1637 by Italian scientist Galileo Galilei (1564–1642). Galileo was one of the
Galileo's_escapement
Mechanical watch component
A Roskopf, pin-lever, or pin-pallet escapement is an inexpensive, less accurate version of the lever escapement, used in mechanical alarm clocks, kitchen
Pin-pallet_escapement
Swiss luxury watch manufacturer
In February 2007, Frédérique Constant began production of the silicon escapement wheel, which was first introduced by Patek Philippe. Frédérique Constant
Frédérique_Constant
English clockmaker (1693–1776)
the grasshopper escapement, a control device for the step-by-step release of a clock's driving power. Developed from the anchor escapement, it was almost
John_Harrison
Servomotor or other type of actuator used for radio control and small-scale robotics
sometimes be cascaded. Moving one escapement gave pulses that in turn drove a second, slower speed, escapement. Escapements were disappearing from radio control
Servo_(radio_control)
Polymath (1020–1101)
astronomical clock tower located in Kaifeng. It employed an early escapement mechanism. The escapement mechanism of Su's clock tower was invented by the Tang dynasty
Su_Song
inventions for striking clocks, the repeating clock and the deadbeat escapement. Error factors in early pendulum clocks included temperature variation
History of timekeeping devices
History_of_timekeeping_devices
Mechanical escapement for pendulum clocks
The Riefler escapement is a mechanical escapement for precision pendulum clocks invented and patented by German instrument maker Sigmund Riefler in 1889
Riefler_escapement
Clock regulated by a pendulum
the anchor escapement by Robert Hooke around 1658, which reduced the pendulum's swing to 4–6°. The anchor became the standard escapement used in pendulum
Pendulum_clock
Instrument for measuring, keeping or indicating time
instruments. A major advance occurred with the invention of the verge escapement, which made possible the first mechanical clocks around 1300 in Europe
Clock
Piano mechanism
'English' pianoforte actions Cristofori escapement (1720) Zumpe (1760s) Backers (1776) In Cristofori's improved escapement action (1720), when the key is depressed
Action_(piano)
Sculptural clock in Cambridge, England
"no one knows how a grasshopper escapement works", Taylor "decided to turn the clock inside out" so that the escapement, and the escape wheel it turns
Corpus_Clock
18th-century French clockmaker
type of escapement, or detached escapement, which makes him the inventor of the detent escapement: "The invention of the detached escapement belongs to
Pierre_Le_Roy
8th-century Buddhist monk and astronomer
calendar and his construction of a celestial globe featuring a liquid-driven escapement, the first in a long tradition of Chinese astronomical clockworks. Within
Yi_Xing
Hot metal typesetting machine (1886–1980s)
are connected by vertical pushrods to the escapements. When a key is pressed, the corresponding escapement is actuated, which releases a matrix from the
Linotype_machine
Clock used on ships to aid in navigation
decreases through higher friction in the escapement. A detent escapement has a strong advantage over other escapements as it needs no lubrication. An impulse
Marine_chronometer
Type of escapement in mechanical watch movements
watchmakers of all time. Following the introduction of the detent chronometer escapement with a temperature compensated balance, very close rates could be achieved
Echappement_naturel
18th and 19th-century British watchmaker
chronometer escapement and a form of bimetallic compensation balance. In 1780, he devised a modification to the detached chronometer escapement, the detent
Thomas_Earnshaw
Watchmaker (1813–1889)
Roskopf (15 March 1813 – 14 April 1889), the inventor of the pin-pallet escapement, was born in Germany and became a naturalized Swiss citizen. In 1829,
Georges_Frederic_Roskopf
Swiss watchmaker
in 1888 by Fritz Meyer, the company initially manufactured cylinder escapements. It developed its first calibre in 1895 following a surge of employees
Roamer_of_Switzerland
Time measuring device
spring, known as the balance spring or hairspring. It is driven by the escapement, which transforms the rotating motion of the watch gear train into impulses
Balance_wheel
Type of watch
chronographs, is an escapement set in a cage and placed in a rotating balance in order to minimize the effects of gravity on the escapement and increase precision
Chronograph
Wristwatch manufactured by Rolex
new movement with a novel 'Dynapulse' escapement. The Land-Dweller introduced Rolex's new Dynapulse escapement. The mechanism uses two silicon distribution
Rolex_Land-Dweller
Personal timepiece
thing to be improved was the escapement. The verge escapement was replaced in quality watches by the cylinder escapement, invented by Thomas Tompion in
Watch
Tall, freestanding, weight-driven pendulum clock
anchor escapement mechanism by Robert Hooke in about 1658. Before adopting the anchor mechanism, pendulum clock movements used an older verge escapement mechanism
Grandfather_clock
Component of a mechanical watch
The pallet fork is a component of the lever escapement of a mechanical watch. The pallet fork and the lever form one component that sits between the escape
Pallet_fork
Keyboard instrument
those used by Franz Liszt. In 1821, Sébastien Érard invented the double escapement action, which incorporated a repetition lever (also called the balancier)
Piano
Tool used to remove fine amounts of material
for fine, delicate work on small pieces or mechanisms (such as escapements), escapement files are commonly used by clock and watchmakers, as well as in
File_(tool)
Large prominently located clock used as a public amenity
by the invention of the anchor escapement in 1657 by Robert Hooke, which quickly replaced the primitive verge escapement in pendulum clocks. The first
Turret_clock
American actor (active 1977–2017)
Carbone Episode: "Take a Look at the Lawmen" 2013 Zero Hour Lance Episode: "Escapement" 2014 Black Box Eddie Episode: "Who Are You?" 2016 The Night Of Detective
Joseph_Badalucco_Jr.
English watchmaker and inventor
adjustment. Three elements were necessary for this achievement: A detached escapement, which gave minimal interference with the vibrating balance and balance
John_Arnold_(watchmaker)
Ancient clock of Salisbury Cathedral
documents available, and it is possible that the original foliot and verge escapement did not look exactly like the one now installed in the clock. The striking
Salisbury_Cathedral_clock
Timepiece in which time is measured by the flow of liquid into or out of a vessel
include the inflow clepsydra with an early feedback system, gearing, and escapement mechanism, which were connected to fanciful automata and resulted in improved
Water_clock
English watchmaker (1938–2009)
development of watches incorporating remontoires that act directly on the escapement, even within a tourbillon mechanism, is considered a significant technical
Derek_Pratt_(watchmaker)
Continuous progression from past to future
inventors and engineers invented the first mechanical clocks driven by an escapement mechanism. Incense sticks and candles were, and are, commonly used to
Time
English clockmaker
Henry Sully's clock (Fig.1) with escapement (Fig.2) and shipboard gimbaled suspension mechanism (Fig.7).
Henry_Sully
Musical artist
just those two instruments. Her debut album Escapement was released in December 2012 and a DVD – Escapement Visualised – featuring bespoke visuals by Lumen
Poppy_Ackroyd
Rhythmic sound typically made by clocks
associated with mechanical clocks and watches, where it is created as their escapement mechanism regulates the movement of gears. It is also produced by the
Ticking_(sound)
Part of accurate clock or watch
precision clocks and watches to place the source of power closer to the escapement, thereby increasing the accuracy by evening out variations in drive force
Remontoire
English clockmaker
inventions was the system of Roman striking, the tic-tac escapement, and probably the anchor escapement. His merits were recognised by his being appointed clockmaker
Joseph_Knibb
Advanced astronomical clock
while the dials are rhodium plated. The escapement is a Dennison-style double triple-leg gravity escapement, a design choice common in later tower clocks
Jens_Olsen's_World_Clock
Swiss watch brand
Calibre 8 2023 Place Vendôme Complicité Two balances, each with its own escapement, linked by a differential; developed with Bernhard Lederer's MHM; 293
Czapek_&_Cie
Clock that uses a rolling ball to measure time
seconds and one minute to run down the zigzag track, where it trips the escapement which in turn reverses the tilt of the tray and at the same time causes
Congreve_clock
Bracket clock movement with anchor escapement and count wheel striking.
Lantern_clock
Korean scholar-official (1543–1592)
Kwŏn Tumun (Korean: 권두문; Hanja: 權斗文; 1543 – 1617) was a Korean scholar-official and military leader of the mid-Joseon period. Born in 1543 in Yeongju,
Kwŏn_Tumun
Topics referred to by the same term
calculator (part of), a type of early mechanical arithmetic machine Pinwheel escapement, part of a mechanical clock Tabernaemontana divaricata, also known as
Pinwheel
Swiss watchmaker
significant horological advances since the invention of the lever escapement, the coaxial escapement functions with virtually no lubrication, thereby eliminating
Omega_SA
Vocational school in Switzerland
watchmakers Godemar and Pouzait. Pouzait, who subsequently invented an anchor escapement in 1796, earned distinction for his mastery of complicated watches, particularly
The Geneva School of Watchmaking
The_Geneva_School_of_Watchmaking
Astronomical clock built in the 14th century
tracing of an illustration in the Tractatus astrarii showing the weights, escapement, and main gear train but not the complex upper section with its many wheels
Astrarium of Giovanni Dondi dall'Orologio
Astrarium_of_Giovanni_Dondi_dall'Orologio
Swiss luxury watchmaking company
lubrication of the escapement. The brand also launched the "Freak Diamonsil" watch, using this nanotechnology for the escapement. The same year, the
Ulysse_Nardin
Russian watch brand
of fully producing its watches, including movements, hairsprings and escapements in-house, its parent firm, Petrodvorets Watch Factory, is beginning to
Raketa
A flying pendulum clock is a clock that uses a flying pendulum escapement mechanism. A small metal ball, connected by string, wraps around one brass post
Flying_pendulum_clock
Mechanical clock that has been made to tell traditional Japanese time
of brass or iron, and used the relatively primitive verge and foliot escapement. Tokugawa Ieyasu owned a lantern clock of European manufacture. Neither
Japanese_clock
Swiss manufacturer of mechanical watches
been using pin-lever escapement (Roskopf escapement) movements, which were claimed to be less accurate than the lever escapements used by some of Oris’s
Oris
German-born British actor (1923–2018)
Happy (1957) - Customs Inspector Seven Thunders (1957) - Major Grautner Escapement (1958) - Blore Battle of the V-1 (1958) - Scientist The Great Van Robbery
Carl_Duering
American actor
Avenue John Barlow Episode: "Pilot" 2013 Zero Hour Young Roland Episode: "Escapement" 2013 Dear Dumb Diary Assistant Principal Devon Television film 2015 Red
James_Waterston
Toy gun used to fire rubber bands
one of two categories: Escapement rubber band guns are capable of firing at least three rubber bands when fully loaded. Escapement rubber band guns are
Rubber_band_gun
Watch made to be carried in a pocket
were based on the verge escapement, which had been developed for large public clocks in the 14th century. This type of escapement involved a high degree
Pocket_watch
Product line of digital pianos
"trill" easier to execute. Graded Hammer 3X (GH3X) keyboard features an "escapement" mechanism that reproduces a slight clicking sensation near the bottom
Clavinova
Swiss watch company
Omega 1120. Later versions of the Seamaster used a proprietary coaxial escapement invented by George Daniels, an English horologist, and exclusively marketed
ETA_SA
repeater. William Clement (1638–1704), English watchmaker, London, Clement escapement. Thomas Tompion (1639–1713), (C. C.), English clockmaker, London, Master
List_of_watchmakers
Hybrid (mechanical and quartz) watch movement
conventional gear train as in traditional mechanical watches, but rather than an escapement and balance wheel, instead features Seiko's Tri-synchro Regulator system
Spring_Drive
Pendulum whose period is precisely two seconds
invention of the anchor escapement around 1670, which reduced the pendulum's swing to 4–6°. The anchor became the standard escapement used in pendulum clocks
Seconds_pendulum
Influential English astronomer, mathematician and natural scientist
invented the deadbeat escapement, which became the standard escapement used in precision pendulum clocks and is the main escapement used in pendulum clocks
Richard_Towneley
Model of objects in the sky consisting of a framework of rings
Ling-zan (梁令瓚) combined Zhang Heng's water powered celestial globe with an escapement device. With drums hit every quarter-hour and bells rung automatically
Armillary_sphere
French playwright and diplomat (1732–1799)
improvements. In July 1753, at the age of twenty-one, he invented a watch escapement that made them substantially more accurate and compact. The first man
Pierre-Augustin de Beaumarchais
Pierre-Augustin_de_Beaumarchais
English clockmaker
to be an eminent watchmaker in his own right, and invented the lever escapement, an important development for pocket watches. He was widely acquainted
George_Graham_(clockmaker)
Topics referred to by the same term
Lizard Wizard from the 2011 EP Willoughby's Beach Deadbeat escapement, a type of escapement used in pendulum clocks Dead-beat control, a problem in discrete
Deadbeat
High-precision time piece
criteria set for the standard. A mechanical chronometer is a spring-driven escapement timekeeper, like a watch, but its parts are more massively built. Changes
Chronometer_watch
British watchmaker
1791 he patented the rack lever escapement for watches, which was more accurate than the commonly used verge escapement. One of his watches is on display
Peter_Litherland
American actor
Television film 2011–12 Treme Chas 7 episodes 2013 Zero Hour Eddie Episode: "Escapement" 2013–14 Banshee Dean Xavier 6 episodes 2014–18 House of Cards Seth Grayson
Derek_Cecil
Rotating circular machine part with teeth that mesh with another toothed part
right angles to the plane. A crown gear is also sometimes meshed with an escapement such as found in mechanical clocks. Gear teeth typically extend across
Gear
Wristwatch manufactured by Rolex
longest running and most successful movement. Caliber 3235 includes a new escapement, the Chronergy, along with other significant improvements, and provides
Rolex_Datejust
2007 novel by Jay Lake
clockpunk science fiction novel. This novel is followed by the 2008 sequel Escapement and the 2010 sequel Pinion. Mainspring is the story of a young clockmaker's
Mainspring_(novel)
Son of Galileo Galilei and Marina Gamba
years of Galileo's life, and helped Galileo build his newly invented escapement. Galileo's student and biographer, Vincenzo Viviani (1622–1703) mentions
Vincenzo_Gamba
Imperial dynasty of China (960–1279)
driven by an early intermittently working escapement mechanism (similarly to the western verge escapement of true mechanical clocks appeared in medieval
Song_dynasty
Swiss watch manufacturer
constant-force escapement, distinguishing itself from all the other known escapements to this day. The first watch housing the constant escapement was presented
Girard-Perregaux
English writer (1930–2009)
professional science-fiction writer with the publication of the short stories "Escapement" (in New Worlds magazine) and "Prima Belladonna" (in Science Fantasy magazine)
J._G._Ballard
Inventor of the wristwatch (1747–1823)
century to 2, rue Édouard-VII. Breguet invented or developed innovative escapements, including the tourbillon, automatic winding mechanisms, and the overcoil
Abraham-Louis_Breguet
Swiss luxury watchmaker founded in 1735
workshops in Villeret. By replacing the crown-wheel mechanism with a cylinder escapement, Frédéric-Louis introduced a major innovation into the watchmaking world
Blancpain
Topics referred to by the same term
of the lever escapement of a typical mechanical watch Pin-pallet escapement, an inexpensive, less accurate version of the lever escapement Pallet, a GUI
Pallet_(disambiguation)
Type of acoustic piano
function is engaged. This changes the action's letoff setting so that the escapement trips at a lower point in the hammer's motion towards the string. This
Silent_piano
Horological museum in Hungerbachgasse, Mindelheim
Schwäbisches Turmuhrenmuseum: The six-legged gravity escapement driving a 9-meter pendulum in the clocktower with a driveweight of 500 grams
Schwäbisches_Turmuhrenmuseum
German watchmaking company
in the summer of 2005. In 2014, the company unveiled its own in-house escapement, known as the NOMOS swing system, which made it no longer reliant on Swiss
Nomos_Glashütte
Clock in St. Andrew's Church, England
15th century. Sometime after 1670, the clock was converted from verge escapement and foliot to a pendulum. For the conversion, the clock was turned upside-down
Castle_Combe_Clock
Gear and pawl; prevents motion in one direction
Check valve, a device that allows fluids to flow in only one direction Escapement, a similar device used in clocks Diode, a device that allows electric
Ratchet_(device)
travel, tourism, insurance
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