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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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French alarm pocket watch

Time Measurement

1601-1700

Contactor bar for the electric clock

Time Measurement

1845-1847

Contactor for the electric clock

Time Measurement

1845-1847

Steel connecting arm, with attached cog-wheel, from the Bansdale public clock

Time Measurement

Dial for half-quarter repeating chronometer watch movement

Time Measurement

1938

Tablet sun-dial in gilt metal

Time Measurement

1597

Escapement clock in fitted support frame

Time Measurement

Magnetic sundial

Time Measurement

1801-1900

Japanese lantern clock

Time Measurement

Double sand-glass in wooden mount

Time Measurement

Sundial with compass

Time Measurement

1671-1700

Ansonia Sun-watch in original card case

Time Measurement

1922-1939

Lever escapement with crank roller

Time Measurement

1830

Diptych sundial for latitude 47 degrees

Time Measurement

1623-1628

Universal equinoctial ring sundial

Time Measurement

1651-1750

Pulsar 'Kinetic' Wrist-watch, 2000

Time Measurement

2000

Magnetic azimuth sundial

Time Measurement

1671-1730

Alarm watch movement with French verge escapement

Time Measurement

1749

Double sand-glass

Time Measurement
Two-day chronometer by John Arnold and Son, no.43/133. With inscription "Thos Prest August 10th 1792", scratched on great wheel, Prest was apprenticed to John Arnold and foreman to his son at Chigwell

Chronometer

Time Measurement

Ring Dial, brass, 2" diam.

Time Measurement

Sandglass from the Abbot Horne collection

Time Measurement

1600-1799

Quartz crystal, slice

Time Measurement

Movement with rack-lever escapement no.4824

Time Measurement

1800-1830

Pump winder, verge escapement watch mechanism, 1840

Time Measurement

1840

Spare star-wheel and magnet for pendulum table clock

Time Measurement

1947-1949

Case, for portable Universal compass sundial

Time Measurement

1750-1800

Four-dial leading off work, for turret clock movement

Time Measurement

1808

Pendulum from the example of the free pendulum clock

Time Measurement

1930-1940

Horizontal compass sundial, for latitudes 43, 46, 49 and 52 degrees

Time Measurement

1751-1850

Cylinder dial for repeater with case

Time Measurement

1775-1800

Tablet sundial

Time Measurement

French verge movement by Breguet

Time Measurement

1775-1800

Clock mechanism

Time Measurement

1801-1900

Universal ring sundial

Time Measurement

Winding key for eight-day pendulum table clock

Time Measurement

1947-1949

French Marble Mantel Clock with Calender Dial, by Brocot, 1840-1878

Time Measurement

1840-1878

Model of Duplex Escapement used in Waterbury Watches, 1880-1935

Time Measurement

1880-1935

Case of objects showing improvements made by Loseby

Time Measurement

Nocturnal boxwood and brass

Time Measurement

1702

Front plate, from Horstmann street light time switch

Time Measurement

1900-1938

Winding key

Time Measurement

Pocket Watch in Silver Repousse, by Taylor, 1690-1710

Time Measurement

1690-1710

Pocket Watch in Silver Case by Thierry, 1685-1695

Time Measurement

1685-1695

Pocket Watch Mechanism, by Terroux l'aine, Geneva, 1779

Time Measurement

1779

Verge watch by Johannes van Ceulen of the Hague, 1690-1700.

Time Measurement

1690-1700.

Disk Sundial, gilt metal, in case, Roma 1583

Time Measurement

1583

Cluster of quartz crystals

Time Measurement

Three hands and a key, for electric clock

Time Measurement

Watch movement by Josh Penlington

Time Measurement

1848-1903