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...
43 KB (4,803 words) - 20:12, 26 April 2024
marked as Certified Chronometer or Officially Certified Chronometer. Outside Switzerland, equivalent bodies, such as the Japan Chronometer Inspection Institute...
9 KB (1,105 words) - 03:12, 26 June 2024
Clock (redirect from Chronometer)
A clock or chronometer is a device that measures and displays time. The clock is one of the oldest human inventions, meeting the need to measure intervals...
96 KB (11,230 words) - 01:55, 25 August 2024
John Harrison (redirect from H4 chronometer)
1776) was an English carpenter and clockmaker who invented the marine chronometer, a long-sought-after device for solving the problem of calculating longitude...
53 KB (6,806 words) - 01:53, 16 August 2024
Longitude by chronometer is a method, in navigation, of determining longitude using a marine chronometer, which was developed by John Harrison during...
9 KB (1,388 words) - 06:02, 17 November 2023
Contrôle officiel suisse des Chronomètres (COSC), the Official Swiss Chronometer Testing Institute, is the institute responsible for certifying the accuracy...
23 KB (2,628 words) - 07:19, 6 November 2023
Thomas Mercer Chronometers is a British company specialising in the design and production of bespoke chronometers. The story begins with John Harrison...
10 KB (1,113 words) - 13:18, 29 April 2024
Hamilton Watch Company (section Marine chronometers)
participate in domestically mass-producing chronometers. Hamilton was provided with two Swiss Ulysse Nardin marine chronometers to examine. Hamilton successfully...
19 KB (2,154 words) - 06:37, 12 August 2024
An observatory chronometer is a timepiece that has passed stringent testing and a slate of accuracy tests. Thus, the "observatory trial" developed as...
7 KB (855 words) - 18:39, 10 October 2023
Larcum Kendall (redirect from K1 chronometer)
for John Harrison, who later used ideas from pocket watches in his H4 chronometer. Kendall set up his own business in 1742, working with Thomas Mudge to...
13 KB (1,583 words) - 02:30, 17 July 2024