Caesium atomic clock, 1955.

Time Measurement

1955

Gear wheel from long-case clock by Fromanteel

Time Measurement

1660-1665

Compendium by Augustine Ryther

Time Measurement

1588

Barograph clock by Alexander Cumming

Time Measurement

1766

Gear wheel from long-case clock by Fromanteel

Time Measurement

1660-1665

Sand glass in four pillared wooden mount

Time Measurement

1750-1800

Sundial making tool

Time Measurement

1690-1710

Clock weight from long-case clock by Fromanteel

Time Measurement

1660-1665

Compendium by Elias Allen

Time Measurement

1630-1653

Pocket watch by Thomas Tompion

Time Measurement

1675-1700

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

Time Measurement

1843-1897

Barnard Tompion clock

Time Measurement

1708

Early balance spring watch by Thomas Tompion

Time Measurement

1675-1679

Electric time recorder

Time Measurement

1930

Table clock by Nicholas Vallin

Time Measurement

1598-1603

Model of a Television Set Tammeter, 1955-1965

Time Measurement

1955-1965

Escape wheel from long-case clock by Fromanteel

Time Measurement

1660-1665

Wells Cathedral clock, 1392

Time Measurement

1392

Marine chronometer by John Arnold and Son, 1787-1799

Time Measurement

1787-1799

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

Masterpiece clock from Augsburg, Germany, 1625-1635

Time Measurement

1625-1635

Pulley from long-case clock by Fromanteel

Time Measurement

1660-1665

Clock movement for Shelton regulator clock

Time Measurement

1768-1769

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

Time Measurement

1705-1737

Silver sundial by Hunfrey Cole

Time Measurement

1568-1590

Sun-and-moon dial by Elias Allen

Time Measurement

1607-1653

Horizontal sundial in bronze

Time Measurement

1551

"Ingersoll" wrist watch with leather strap

Time Measurement

1915

Sand-glass

Time Measurement

Clock (French) symbolising motive power

Time Measurement

Lantern clock with verge escapement and rach and snail escapement

Time Measurement

Sand-glass

Time Measurement

Equinoctial ring sundial

Time Measurement

1719-1791

Chronometer in Gold Case by Thomas Earnsham, 1795-1810

Time Measurement

1795-1810

Cylinder watch in pinchbeck inner case

Time Measurement

Bracket timepiece in mahogany case with silvered dial

Time Measurement

Casio gents LCD digital watch

Time Measurement

1999

Gold verge watch with fusee

Time Measurement

Watch with Flamenville dead-beat escapement

Time Measurement

Synchronous mains electric clock of the self-starting type

Time Measurement

1934

Chronometer watch in silver case by John Arnold and Son

Time Measurement

hallmarked 1788

Cylinder watch in silver pair case by Ellicott

Time Measurement

Sand-glass

Time Measurement

Cubical polyhedral sundial

Time Measurement

1751-1800

Chronometer watch by Thomas Earnshaw No.498

Time Measurement

Bezel wind wrist watch, c.1880

Time Measurement

circa 1880

Case for Shelton regulator clock

Time Measurement

1882

Sand-glass

Time Measurement

Column dial by Henry Robert

Time Measurement

1831-1870