deaths
John Harrison, English carpenter and clockmaker, invented the Marine chronometer (born 1693)
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John Harrison
English clockmaker (1693–1776)
John Harrison was an English carpenter and clockmaker who invented the marine chronometer, a long-sought-after device for solving the problem of how to calculate longitude while at sea.Source: Wikipedia (CC BY-SA)
Marine chronometer
Clock used on ships to aid in navigation
A marine chronometer is a precision timepiece that is carried on a ship and employed in the determination of the ship's position by celestial navigation. It is used to determine longitude by comparing Greenwich Mean Time (GMT), and the time at the current location found from…Source: Wikipedia (CC BY-SA)
March 24
Day of the year
March 24 is the 83rd day of the year in the Gregorian calendar; 282 days remain until the end of the year.Source: Wikipedia (CC BY-SA)