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Time measurement

Follow the development of time measurement and technical and scientific innovation in timekeeping from the 16th to the 21st centuries.

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Wells Cathedral clock, 1392

Time Measurement

1392

Early balance spring watch by Thomas Tompion

Time Measurement

1675-1679

Caesium atomic clock, 1955.

Time Measurement

1955

Sun-and-moon dial by Elias Allen

Time Measurement

1607-1653

Byzantine sundial-calendar

Time Measurement

400-600

Marine chronometer by John Arnold and Son, 1787-1799

Time Measurement

1787-1799

Barograph clock by Alexander Cumming

Time Measurement

1766

Table clock by Nicholas Vallin

Time Measurement

1598-1603

Egyptian merkhet

Time Measurement

600 BCE

Empire type world clock for indicating time around the globe

Time Measurement

1909

Harrison's eight-day wooden clock movement, 1715.

Time Measurement

1715

Chinese Incense Clock

Time Measurement

Model of a Television Set Tammeter, 1955-1965

Time Measurement

1955-1965
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.

Kundo 'Space Timer' radio-controlled quartz desk clock, 1988.

Time Measurement

1988

"Dreadnought" bookmaker's bag by the Richmond Time Recording Co.

Time Measurement

c. 1925

Escape wheel from long-case clock by Fromanteel

Time Measurement

1660-1665

Chronometer watch by Thomas Earnshaw No.498

Time Measurement

Pocket watch by Thomas Tompion

Time Measurement

1675-1700

Pendulum clock designed by Galileo in 1642 and made by his son in 1649, model.

Time Measurement

1642-1649 (original); 1883 (model)

Clock movement for Shelton regulator clock

Time Measurement

1768-1769

Moving magnet galvanometer with dial inscribed "Greenwich Mean Time", 1843-1897

Time Measurement

1843-1897

Masterpiece clock from Augsburg, Germany, 1625-1635

Time Measurement

1625-1635

Double-dialled longcase clock from Park Green Mill

Time Measurement

1800-1820

Pulley from long-case clock by Fromanteel

Time Measurement

1660-1665

Gear wheel from long-case clock by Fromanteel

Time Measurement

1660-1665

Compendium by Augustine Ryther

Time Measurement

1588

Gear wheel from long-case clock by Fromanteel

Time Measurement

1660-1665

Sundial making tool

Time Measurement

1690-1710

Sand glass in four pillared wooden mount

Time Measurement

1750-1800

Clock weight from long-case clock by Fromanteel

Time Measurement

1660-1665

Compendium by Elias Allen

Time Measurement

1630-1653

Barnard Tompion clock

Time Measurement

1708

Silver sundial by Hunfrey Cole

Time Measurement

1568-1590

Pair-cased pocket watch in pinchbeck and leather outer casing with verge escapement

Time Measurement

1705-1737

Clock dial marked 'Potter, Railway Time', 1840-1880

Time Measurement

1840-1880

Horizontal sundial in bronze

Time Measurement

1551

Equinoctial ring sundial

Time Measurement

1719-1791

Lantern clock with verge escapement and rach and snail escapement

Time Measurement

Cubical polyhedral sundial

Time Measurement

1751-1800

Column dial by Henry Robert

Time Measurement

1831-1870

Rolex 'Oyster Perpetual' wristwatch, 1931.

Time Measurement

1931

Two-thirds scale copy of the Hampton court astronomical clock dials

Time Measurement

Ashadar or time stick, Northern India, 1895-1905

Time Measurement

1895-1905

Sand-glass

Time Measurement

"Ingersoll" wrist watch with leather strap

Time Measurement

1915

Clock (French) symbolising motive power

Time Measurement

Chronometer in Gold Case by Thomas Earnsham, 1795-1810

Time Measurement

1795-1810

Sand-glass

Time Measurement

Gold verge watch with fusee

Time Measurement

Bracket timepiece in mahogany case with silvered dial

Time Measurement