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

Time Measurement

1642-1649 (original); 1883 (model)

Early balance spring watch by Thomas Tompion

Time Measurement

1675-1679

Wells Cathedral clock, 1392

Time Measurement

1392

Egyptian merkhet

Time Measurement

600 BCE

Byzantine portable universal altitude sundial with geared calendrical device

Time Measurement

401-600

Table clock by Nicholas Vallin

Time Measurement

1598-1603

Pocket watch by Thomas Tompion

Time Measurement

1675-1700

Chinese Incense Clock

Time Measurement

Compendium by Elias Allen

Time Measurement

1630-1653

Model of a Television Set Tammeter, 1955-1965

Time Measurement

1955-1965

Ashadar or time stick, Northern India, 1895-1905

Time Measurement

1895-1905

Caesium atomic clock, 1955.

Time Measurement

1955

Marine chronometer by John Arnold and Son, 1787-1799

Time Measurement

1787-1799

Barnard Tompion clock

Time Measurement

1708

Escape wheel from long-case clock by Fromanteel

Time Measurement

1660-1665

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

Time Measurement

1840-1880

Empire type world clock for indicating time around the globe

Time Measurement

1909

"Ingersoll" wrist watch

Time Measurement

1915

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

Time Measurement

1715

Clock weight from long-case clock by Fromanteel

Time Measurement

1660-1665

Pair-cased pocket watch

Time Measurement

1705-1737

Two-thirds scale copy of the Hampton court astronomical clock dials, with epicyclic gearing unit, outer fixed chapter ring and rotating astronomical dial

Time Measurement

Early pendulum clock by Salomon Coster, c.1657.

Time Measurement

1657-1659

Gear wheel from long-case clock by Fromanteel

Time Measurement

1660-1665

Sundial making tool

Time Measurement

1690-1710

Sun-and-moon dial by Elias Allen

Time Measurement

1607-1653

Pulley from long-case clock by Fromanteel

Time Measurement

1660-1665

Equinoctial ring sundial

Time Measurement

1719-1791

Bracket timepiece in mahogany case with silvered d

Time Measurement

Chronometer watch in silver case

Time Measurement

hallmarked 1788

Magnetic sundial

Time Measurement

1751-1850

Gear wheel from long-case clock by Fromanteel

Time Measurement

1660-1665

Compendium by Augustine Ryther

Time Measurement

1588

Sand glass in four pillared wooden mount

Time Measurement

1750-1800

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

Time Measurement

1843-1897

Replica of Saxon 'Sinking Bowl' Water Clock, 1931

Time Measurement

1931; 750-850 CE

Lantern clock with verge escapement and rach and s

Time Measurement

Watch with Flamenville dead-beat escapement, signe

Time Measurement

Cylinder watch in silver pair case by Ellicott, Lo

Time Measurement

Sand-glass

Time Measurement

Column dial by Henry Robert, Horloger, au Palais R

Time Measurement

1831-1870

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

Time Measurement

1988

Clock

Time Measurement

Sand-glass

Time Measurement

Sand-glass

Time Measurement

Chronometer in Gold Case by Thomas Earnsham, 1795-1810

Time Measurement

1795-1810

Casio gents LCD digital watch, black resin case an

Time Measurement

1999

Gold verge watch with fusee

Time Measurement

Cylinder watch in pinchbeck inner case, tortoisesh

Time Measurement

Synchronous mains electric clock of the self-start

Time Measurement

1934