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Michael Pearson (1936–2017) was an acknowledged expert on Kent clocks and clock-making. [1] He was born in Kent, England and educated at Dartford Grammar School.He served National Service with the Intelligence Corps, following which he returned to the private sector, working in sales, marketing and advertising.
French term (commonly used in English-speaking countries) for a movement blank, i.e., an incomplete watch movement sold as a set of loose parts—comprising the main plate, bridges, train, winding and setting mechanism, and regulator. The timing system, escapement, and mainspring, however, are not parts of the ébauche. Établissage
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 how to calculate longitude while at sea.
This chronological list of famous watchmakers is a list of those who influenced the development of horology or gained status by their creations. The list is sorted by the lifetimes of the watchmakers .
For example, 2010 EPA emissions requirements require full DEF coolant flow within 70 minutes. [18] [19] In Europe, Regulation (EC) No 692/2008 [20] specified in Annex XVI point 10 that DEF from a frozen tank at a core temperature of −15 °C (5 °F) must become available within 20 minutes when starting the engine at −15 °C (5 °F).
Louis helped Ferdinand manufacture and repair the sea clocks his uncle supplied to the French and Spanish navies. On 1 April 1770, following the successful sea trials of Sea Watches numbers 6 and 8, Ferdinand Berthoud received the title of Horologist-Mechanic by appointment to the King and the Navy, with an annual allowance of £3,000 and ...
binnacle list A ship's sick list. The list of men unable to report for duty was given to the officer or mate of the watch by the ship's surgeon. The list was kept at the binnacle. bird farm United States Navy slang for an aircraft carrier. bite Verb used in reference to a rudder, as in "the rudder begins to bite". When a vessel has steerageway ...
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 observations of celestial bodies.