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Follow the development of time measurement and technical and scientific innovation in timekeeping from the 16th to the 21st centuries.
Portion of watch including verge escapement, bough
Portion of watch including verge escapement, bought from J.C. Stevens, Convent Garden, London, United Kingdom, 1900-1912
George Graham dust cap
Dust cap made for pocket watch (object number 1916-160) with movement number 5925, by George Graham, London, 1688-1751.
Replica compass needle, for portable universal equinoctial sundial
Compass needle (not original) for portable universal equinoctial sundial, in brass, signed "A Ryther * Fecit * 1588" with inscription "WILLIAM PAWLEY OWETH THIS SAME IN ANNO DOMINI 1588"
Mantel clock by Metamec
Mantel clock with 8-day mechanical movement, aluminium dial and walnut and sycamore wooden casing. Made by Metamec, East Dereham, Norfolk, 1950-1960.
Willis world clock, 1929-1935
Example of the Willis world clock, with winding key (for showing local time in any part of the world), patented by John Henry Willis in 1929, made by J. H. Willis and Company, Norwich, England, 1929-1935.
Spring-driven pendulum clock
A Bracket clock by Isaac Thuret, made while he was in Paris, France, 1665-1681.
Astronomical Watch by George Margetts, 1750-1810
Astronomical watch by George Margetts No.3043 in pair case, 1750-1810
Chinese Incense Clock
Chinese incense clock, consists of 3 trays, 2 “maze” stencils, a latticework lid and a leveller, made by Ming Hsin, Chao, China.
First prototype of the "Clock of the Long Now", 1999.
First prototype of the "Clock of the Long Now", made by the Long Now Foundation, 1999.
Hipp chronoscope with small galvanometer and key
Chronoscope with small galvanometer and key. Designed for measuring short intervals of time with an accuracy of 1/1000th of a second. The clockwork is governed by a metal reed which vibrates instead of a pendulum. No.13074, made by Hipp, Neuchâtel, 1888
Miniature wrist-watch movement
Wristwatch movement, 'The World's Smallest Movement' or 'The Smallest Watch in the World', Swiss lever escapement, left-hand wind, by Jaeger-LeCoultre SA, Geneva, Switzerland, 1929-1953, mounted on a stand (see note).
Alarm clock with mechanical movement, blue dial and metallic casing. Made by the Shanghai Stopwatch Factory under the Diamond (Zuanshi) brand, Shanghai, China, 1970-1975.
Spring-driven pendulum clock by Johannes van Ceulen of The Hague, c. 1695
Pendulum bracket clock, spring driven, with black japanned wooden case by Johannes van Ceulen of the Hague, Netherlands, 1670-1680.
Weight driven pendulum clock
Original eight day clock by Harrison, date 1715, wheel work mostly of wood, weight driven
'Pulsar' digital quartz wristwatch with light emitting diode display
Hamilton "Pulsar" quartz wristwatch with LED digital display, Hamilton Watch Co.; Electro-Data Inc., Lancaster, Pennsylvania, United States; Garland, Texas, United States, 1972
Early pendulum clock by Salomon Coster, c.1657.
"Haagsche Klokje" by Salomon Coster (1657-59)
Long-case clock, in ebony case, with pendulum and parts, 1660-1665
Long-case clock made by Ahasuerus Fromanteel, London, 1660-1665. In ebony case, with pendulum and box of parts.
Driving weights and counterweight from balance-wheel brass lantern clock
Two driving weights and one counterweight for the Balance-wheel brass lantern clock, by Thomas Knifton, Cross Keys, Lothbury, London, England, 1645-1655.
Three train, flatbed turret clock by E. Dent with double three-legged gravity escapement, c. 1939.
Movement of a 3-train turret clock by E. Dent and Co., (made about 1939); the going train with Grimthorpe's double 3-legged gravity escapement; the striking train and Westminster quarters controlled by locking plates; with 1 1/2 second pendulum and double trestle frame for support
Bulova 'Accutron' electronic wristwatch, c. 1963.
Bulova 'Accutron' tuning fork, controlled electric watch on sloping wooden stand, with one animated diagram illustrating its mode of operation, designed by Max Hetzel, made by the Bulova Watch Company, Inc., New York, United States, 1960-1963.
Cast of a Saxon Sundial, original at Kirkdale Church, Yorkshire
1935-1958 (reproduction); 1055-1064 CE (original)
Plaster cast of the Saxon sundial on Kirkdale Church, Yorks, originally made 1055-1064 CE, reproduction cast made 1935-1958. It marks the daylight period into four equal periods, using a horizontal gnomon which is now missing.
Pocket watch and stop watch
Lever escapement pocket watch beating tenths of a second, signed on the back plate 'Wm Williams 32 Rock St Bury. No 19289.' and on the dial 'PATENT No 4762 MARCH 26TH 1890 by WILLM. WILLIAMS BURY', in sterling silver case hallmarked at Chester in 1890, with winding square and hand adjusting square under the back cover. The watch has hour, minute, and small seconds hands, plus a centre seconds hand rotating once every two seconds. A stop mechanism acting directly on the balance wheel and operated by a slide on the side of the case allows use as a stopwatch.
Electrically driven pendulum
Electric pendulum, weighted above the centre, to beat seconds, in small compass
Hamilton Electric Wrist- Watch, 1957
Complete Hamilton electric watch movement, also watch-case, strap and one spare battery, designed by Richard Arbib, made by the Hamilton Watch Company, Lancaster, Pennsylvania, United States, 1957.
Longines 'Ultraquartz Cybernetic' quartz analogue wristwatch, 1969-70.
Ultraquartz "Cybernetic" quartz analogue wristwatch by Longines, Switzerland, c.1969. With seconds hand and date indicator. An example of the first quartz wristwatch of European origin. Case back marked '16' and '228794'.
Sterling silver level pocket watch
Sterling silver lever pocket watch, made by Thomas & John Ollivant, Manchester, around 1851.
A Japanese Pillar Clock, Unsigned, 1800-1890
Japanese pillar clock with single foliot balance and iron movement (weight missing), Unsigned, 1800-1890
Greenwich Time Service equipment
Representative sample of the equipment used for maintaining the Greenwich Time Service from about 1965 to 1990 comprising six racks of electronic equipment, two end doors, five rear doors, three covers, printer and sign
Universal equinoctial ring sundial
Universal equinoctial ring sundial. ? English, second half of the 18th century (B1669)
Hipp chronoscope with small galvanometer and key
Chronoscope and key. Designed for measuring short intervals of time with an accuracy of 1/1000th of a second. The clockwork is governed by a metal reed which vibrates instead of a pendulum. No.13074, made by Hipp, Neuchâtel, 1888
Small galvanometer for use with chronoscope, made by Hipp, Neuchâtel, 1888
Peterloo Massacre Commemorative Clock
Longcase clock commemorating the Peterloo Massacre of 1819, made by W. Stancliffe, Barkisland.
Park Green Mill Double Dialled Longcase Clock
Double dialled longcase clock from Park Green Mill, Macclesfield, made by E. Hartley, Macclesfield, c. 1810, includes clock and belts, pulleys and lineshafting.
Portable pillar or column sundial
Cylinder sundial or 'Shepherd's dial', for use at latitude 42°. Rough construction. Made in France, 1801-1900 (see note).
Pendulum clock designed by Galileo in 1642 and made by his son in 1649, model.
1642-1649 (original); 1883 (model)
Model showing the first idea of the application of the pendulum to the clock designed by Galileo in 1642, made his son Vincenzo in 1649 and illustrated by Vincenzo Viviani, Italy. This model is by Eustachio Porcellotti, Florence, Italy, 1883.
Original leather case for silver sundial
Original leather case for silver altitude sundial, made by Humfrey Cole, London, 1568-1590.
Portable universal equinoctial sundial, in brass,
Compendium comprised of universal equinoctial sundial, compass and calendar made by Augustine Ryther in 1588. Signed 'A Ryther * Fecit * 1588" and incribed "WILLIAM PAWLEY OWETH THIS SAME IN ANNO DOMINI 1588".
Movement of regulator clock by Vulliamy, about 1760
Clock made by Benjamin Vulliamy for His Majesty George III, and used in his Observatory at Kew. In polished mahogany case, with a side plate and glass top for case
Model of Huygens' Pendulum Clock, as Illustrated in his 'Horologium' of 1658.
Reconstruction of Huygens' pendulum timepiece of 1658, with pendulum, 2 weights and 2 pulleys. Illustrated in the 'Horologium' in 1658, it is controlled by a pendulum and driven by a weight.
Silver sundial by Humfrey Cole
Silver altitude sundial made and signed by Humfray Cole, London, 1568-1590. It was made for use in latitude 51°30 secs, in which London is located, Complete with original leather carry case.
House clock, balance-wheel brass lantern clock
Balance-wheel brass lantern clock, with two driving weights and one counterweight, by Thomas Knifton, Cross Keys, Lothbury, London, England, 1645-1655.
Sand-glass in four pillared brass mount
Single sand-glass in four pillared brass mount (one glass ampoule broken and diaphragm missing). Horne Type A. (B3193)
Ancient Egyptian Altitude Sundial, or Shadow Clock, in pine (wood)
Primitive time measuring device consisting of wooden board with horizontal wooden gnomen or 'goal posts', the position of the shadow cast by this traverse piece indicates the passage of time, Unsigned, Egypt, 1000-800 BCE
Masterpiece clock from Augsburg, Germany, 1625-1635
Upright table clock, by unknown maker, made in Augsburg, Germany, 1625-1635
Kundo 'Space Timer' radio-controlled quartz desk clock, 1988.
Kundo Space Timer Clock, synchronised to the 77.5 kHz time signals from the DCF 77 radio transmitter at Mainflingen, near Frankfurt, Germany, made by Kieninger und Obergfell GmbH, St Georgen/Schw, Germany, in 1988.
Replica of Saxon 'Sinking Bowl' Water Clock, 1931
1931; 750-850 CE
Replica of bronze Saxon 'sinking bowl' water clock, Science Museum, South Kensington, London, 1931. Original made 750-850CE. Placed on the surface of water, it measures a unit of time (in this case approximately 1 hour) through a hole in the bottom which slowly allows water into it.
Silver sundial by Hunfrey Cole
Silver altitude sundial made and signed by Humfray Cole, London, 1568-1590. It was made for use in latitude 51°30 secs, in which London is located,
Clock used for transit of Venus observations, 1769
Regulator clock by John Shelton with glazed mahogany case. One of five such clocks sent with Royal Society expeditions to observe the Transit of Venus on the 3rd June 1769.