mariner's chronometer
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Marine chronometer — Breguet twin barrel box chronometer. Classification Clock Industry Transportation … 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
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
History of navigation — In the pre modern history of human migration and discovery of new lands by navigating the oceans, a few peoples have excelled as sea faring explorers. Prominent examples are the Phoenicians, the ancient Greeks, the Persians, the Arabians, 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
Beobachtungsastronomie — Das polnische 1,3 Meter Teleskop an der chilenischen Sternwarte Las Campanas Die beobachtende Astronomie ist derjenige Teilbereich der Astronomie, der sich mit dem Nachweis und der Untersuchung von Strahlung und Teilchen beschäftigt, welche die… … Deutsch Wikipedia
Himmelsbeobachtung — Das polnische 1,3 Meter Teleskop an der chilenischen Sternwarte Las Campanas Die beobachtende Astronomie ist derjenige Teilbereich der Astronomie, der sich mit dem Nachweis und der Untersuchung von Strahlung und Teilchen beschäftigt, welche die… … Deutsch 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
John Harrison (Uhrmacher) — John Harrison John Harrison (* 24. März 1693, getauft 31. März 1693 in Foulby bei Wakefield, Yorkshire; † 24. März 1776 in London) war Tischler, Erfinder und autodidaktischer Uhrmacher. Er löste das so genannte … Deutsch Wikipedia
Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass … Wikipedia
