- chronometer difference of longitude
- разность показаний хронометров
English-Russian marine dictionary . 2014.
chronometer difference of longitude
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Longitude by chronometer — Longitude by Chronometer, known by mariners as Long by Chron , is an astronomical navigation method of calculating an observer s position on earth. The method gives the observer a position line on which the observer is situated. Usually the… … Wikipedia
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Marine chronometer — Breguet twin barrel box chronometer. Classification Clock Industry Transportation … Wikipedia
History of longitude — The history of longitude is a record of the effort, by navigators and scientists over several centuries, to discover a means of determining longitude. The measurement of longitude is important to both cartography and navigation. Historically, the … Wikipedia
Celestial navigation — Celestial navigation, also known as astronavigation, is a position fixing technique that was devised to help sailors cross the featureless oceans without having to rely on dead reckoning to enable them to strike land. Celestial navigation uses… … Wikipedia
Ex-meridian — is an astronomical navigation method of calculating an observer’s position on earth. The method gives the observer a position line on which the observer is situated. It is usually used when the sun is obscured at noon and as a result a meridian… … Wikipedia
Julius Erasmus Hilgard — (January 7, 1825 – May 9, 1890) was a German American engineer.Julius Erasmus Hilgard [ [http://books.google.com/books?id=SddRAAAAMAAJ pg=PA150 Julius Erasmus Hilgard 1825 1890] A History of the First Half century of the National Academy of… … Wikipedia
Navigation — This article is about determination of position and direction on or above the surface of the earth. For other uses, see Navigation (disambiguation). Table of geography, hydrography, and navigation, from the 1728 Cyclopaedia. Navigation is the… … Wikipedia
navigation — navigational, adj. /nav i gay sheuhn/, n. 1. the act or process of navigating. 2. the art or science of plotting, ascertaining, or directing the course of a ship, aircraft, or guided missile. [1520 30; < L navigation (s. of navigatio) a voyage.… … Universalium
Nevil Maskelyne — For other people named Nevil Maskelyne, see Nevil Maskelyne (disambiguation). Rev. Dr Nevil Maskelyne Born 6 October 1732 … Wikipedia
Lunar distance (navigation) — For the history of the lunar distance method, see History of longitude. Finding Greenwich time while at sea using a lunar distance. The Lunar Distance is the angle between the Moon and a star (or the Sun). The altitudes of the two bodies are used … Wikipedia
