Crossing the Atlantic in the 1700s was no easy feat. The fastest ships could make the voyage in as little as a month, but for ...

A chronometer is a type of very accurate clock used to measure the time at sea so that a ship can precisely know where it is sailing. This chronometer was used on board HMS Beagle on its voyage ...

The ship's chronometer was essential to the development of the British Nation by providing ships with their longitude. From 1736 when the first practical chronometer was produced by Harrison until ...

The term chronometer comes from two Greek words, and roughly means “time measurer.” The word first came into use in the early 18th century with specific reference to timepieces designed for ...

Long before the term was a watch accuracy certification, a chronometer was a clock used on ships to track Greenwich Mean Time ...

In the days before GPS, the accuracy of a ship’s chronometer might be a matter of life and death. Navigators used them to determine longitude by measuring the local time via a sextant and a star ...

While no mechanical timekeeping device can match the accuracy of today’s electronic clocks, there are a few that over the years came tantalizingly close. And with Daylight Saving Time ...

A timepiece used on a seagoing voyage by the HMS Beagle – the ship that carried Charles Darwin on his travels – has been ...

This article was originally published with the title “The Ship's Chronometer : Its History and Development” inSA Supplements Vol. 29 No. 756supp(June 1890), p. 12072doi:10.1038 ...

His first stab at a maritime chronometer started in 1730 and resulted in the Harrison H1 which was given a sea trial in 1736. It wasn’t the very first clock designed for a ship, but it did ...

The name was later used a few decades later to describe marine chronometers—clocks suspended in gyroscopic boxes that helped ships determine longitude and traverse the world's oceans.