Chronometer Collection

Reconstruction of a clepsydra (water clock), invented by Ctesibius of Alexandria, c270 BC (1857). Ctesibius (fl270 BC) was an inventor

Instruments used by Mr. Glaisher during his balloon ascent, 1862. Creator: Unknown
Instruments used by Mr. Glaisher during his balloon ascent, 1862. 1. Barometer; 2; Wet and Dry Bulb Hygrometer; 3. Daniell's Hygrometer; 4. Chronometer; 5. Bucket of Water to keep Bulb wet; A. B

Longines timing equipment for Bluebird CN7s World Land Speed Record attempt, Lake Eyre, Australia, 1964

Watch, Navigation, Hamilton 4992B, AN5740. Creators: Hamilton Watch Co. George H
3 3/4in. diameter; grey painted steel case with 24-hour steel navigation watch

AN 5740 Navigation watch, ca. 1940s. Creator: Hamilton Watch Co
AN 5740 Navigation watch, ca. 1940s. AN 5740 Master Navigation Chronometer made by Hamilton, used on board the North American B-25 Mitchell bombers during the Second World War

Clock (Chronometer), 1941. Creator: William Frank
Clock (Chronometer), 1941

A Chronometer-Observation with the Theodolite, c1893-1896, (1897). From Farthest North, Vol. 1 by Fridtjof Nansen. [Archibald Constable and Company, London, 1897]

The Prague Astronomical Clock, Czechoslovakia, c1930s. Dating from the early 15th century, it is also known as the Prague Orloj

John Harrison, English clock maker, 19th century. Artist: W Holl
John Harrison, English clock maker, 19th century. Harrison (1693-1776) designed and built the worlds first successful maritime clock

John Harrison, English clock maker, 1768. Artist: W Holl
John Harrison, English clock maker, 19th century. Harrison (1693-1776) designed and built the worlds first successful maritime clock

John Harrison, c1835. Artist: William Holl
John Harrison, c1835. Portrait of the English inventor and horologist wearing a wig. Harrison became famous for resolving one of the most problematic issues of his day - how to determine longitude

John Harrison (1693-1776). Inventor of the marine chronometer in 1757, (20th century). Artist: Thomas King
John Harrison, (1693-1776). Inventor of the marine chronometer in 1757, (20th century). A self-educated English carpenter and clockmaker who invented the marine chronometer

Clepsydra (water clock) indicating hours and chiming, 1617-1619. From Utriusque cosmi...historia by Robert Fludd (Oppenheim, 1617-1619)

Astronomical clock, Old Town Hall, Prague, Czech Republic, 1943
Astronomical clock, Old Town Hall, Prague, 1943. Dating from the early 15th century, it is also known as the Prague Orloj. A print from Signal, Febuary 1943

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