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John Harrison (3 April [O.S. 24 March] 1693 – 24 March 1776) was an English carpenter and clockmaker who invented the marine chronometer, a long-sought-after device for solving the problem of calculating longitude while at sea.
- English
- 24 March 1776 (aged 82), London, England
Mar 14, 2023 · Learn how John Harrison invented an accurate marine chronometer that enabled mariners to measure their longitude at sea. Discover the history and challenges of clockmaking and navigation in the 17th and 18th centuries.
- Mark Cartwright
Mar 20, 2024 · John Harrison (born March 1693, Foulby, Yorkshire, Eng.—died March 24, 1776, London) was an English horologist who invented the first practical marine chronometer, which enabled navigators to compute accurately their longitude at sea.
- The Editors of Encyclopaedia Britannica
Learn how John Harrison, a self-taught carpenter and clock maker, created four remarkable timepieces that helped find the ship's longitude at sea. Discover his challenges, trials, rewards and legacy at Royal Museums Greenwich.
Apr 3, 2018 · Today, on what would have been Harrison’s 325th birthday, Google is celebrating the legendary horologist with a special Doodle. John Harrison, (1693-1776). Inventor of the marine...
- Eli Meixler
May 17, 2014 · This machine was the first of John Harrison's clocks, known as H1, predating all those other chronometers, and representing his first attempt to make a timekeeper that would remain accurate on ...
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Learn how John Harrison, a self-taught watchmaker, invented the marine chronometer that solved the longitude problem and revolutionized navigation. Discover the challenges, innovations, and legacy of his 43-year quest for a practical solution.
