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Longitude calculations can be simplified using a clock is set to the local time of a starting point whose longitude is known, transporting it to a new location, and using it for astronomical observations. The longitude of the new location can be determined by comparing the difference of local mean time and the time of the transported clock.
Template:Family tree of the House of Nassau-den Lek; Template:Family tree of the House of Nassau-Grimhuizen; Template:Family tree of the House of Nassau-Weilburg; Template:Family tree of the House of Nassau-Dillenburg; Template:Family tree of the House of Nassau-Zuylestein; Template:Nehru-Gandhi family tree; Template:Neo-Assyrian family tree
John Harrison was born in Foulby in the West Riding of Yorkshire, the first of five children in his family. [3] His stepfather worked as a carpenter at the nearby Nostell Priory estate. A house on the site of what may have been the family home bears a blue plaque. [4] Around 1700, the Harrison family moved to the Lincolnshire village of Barrow ...
Family tree showing the relationship of each person to the orange person, including cousins and gene share. A family tree, also called a genealogy or a pedigree chart, is a chart representing family relationships in a conventional tree structure. More detailed family trees, used in medicine and social work, are known as genograms.
This is an index of family trees on the English Wikipedia. It includes noble, politically important, and royal families as well as fictional families and thematic diagrams. This list is organized according to alphabetical order.
Longitude: The True Story of a Lone Genius Who Solved the Greatest Scientific Problem of His Time is a 1995 best-selling book by Dava Sobel about John Harrison, an 18th-century clockmaker who created the first clock (chronometer) sufficiently accurate to be used to determine longitude at sea—an important development in navigation.
The family tree of Louis III, Duke of Württemberg (ruled 1568–1593) The family tree of "the Landas", a 17th-century family [1]. Genealogy (from Ancient Greek γενεαλογία (genealogía) 'the making of a pedigree') [2] is the study of families, family history, and the tracing of their lineages.
Longitude is given as an angular measurement with 0° at the Prime Meridian, ranging from −180° westward to +180° eastward. The Greek letter λ (lambda) [38] [39] is used to denote the location of a place on Earth east or west of the Prime Meridian. Each degree of longitude is sub-divided into 60 minutes, each of which is divided into 60 ...