The Paris meridian is a meridian line running through the Paris Observatory in Paris, France – now longitude 2°20′14.02500″ East. It was a long-standing...

0° A prime meridian is an arbitrarily-chosen meridian (a line of longitude) in a geographic coordinate system at which longitude is defined to be 0°. Together...

Paris meridian for several decades. In the 18th century, London lexicographer Malachy Postlethwayt published his African maps showing the "Meridian of...

Picard through triangulation of Paris meridian. In 1671, Jean Picard also measured the length of a seconds pendulum at Paris Observatory and proposed this...

Paris meridian, so indeed the exact position of Ferro was never considered. Old maps (outside of Anglo-America) often have a common grid with Paris degrees...

Picard through triangulation of Paris meridian. In 1671, Jean Picard also measured the length of a seconds pendulum at Paris Observatory and proposed this...

meridian arc is the curve between two points on the Earth's surface having the same longitude. The term may refer either to a segment of the meridian...

town near the Port Royal abbey, with the Paris meridian exactly bisecting the site north–south. The meridian line was used as a basis for navigation and...

(Green Meridian) is a project devised by the architect Paul Chemetov for the 2000 celebration in France. It involved marking on the ground the Paris Meridian...

Delambre and Pierre Méchain in 1792–1798 to measure an arc section of the Paris meridian between Dunkirk and Barcelona. This arc measurement served as the basis...

one degree of latitude along the Paris Meridian using triangulation along thirteen triangles stretching from Paris to the clocktower of Sourdon, near...

Villarceau verified the geodetic operations at eight points of the Paris meridian arc from 1861 to 1866. Some of the errors in the operations of Delambre...

measured along the meridian passing through Paris. Apart from the obvious consideration of safe access for French surveyors, the Paris meridian was also a sound...

on the solar time at the Paris Observatory — the Paris meridian being approximately 2°20′ east of the Greenwich meridian, Paris mean solar time was 9 minutes...

The milliare would be defined as a minute of arc along a meridian (such as the Paris meridian) and would be divided into 10 centuria, the centuria into...

surveyed one degree of latitude along the Paris Meridian using a chain of thirteen triangles stretching north from Paris to the clocktower of Sourdon, near Amiens...

Observatoire de Paris". "La Hire and the Paris meridian · Philippe de la Hire, the Constant Study · Bibliothèque numérique - Observatoire de Paris". Hutchings...

the metre would be defined as a decimal fraction of the length of the Paris Meridian between the equator and the North Pole. The commission initially proposed...

geodesy Spherical Earth § History Meridian arc § History Earth's circumference § History Meridian arc Paris Meridian Torge, W.; Müller, J. (2012). Geodesy...

the observatory in 1712, in 1713 he extended the Paris meridian, measuring the arc of the meridian from Dunkirk to Perpignan, and published the results...

building, the second largest church in Paris after Notre-Dame de Paris. The system is first built around a meridian, a line which is strictly oriented along...

association on the West Europe-Africa Meridian-arc the meridian of Greenwich was nearer the mean than that of Paris. In 1804 Johann Georg Tralles was made...

El Hierro (Spanish: [el ˈʝero] ), nicknamed Isla del Meridiano (the "Meridian Island"), is the second-smallest and farthest south and west of the Canary...

International Meridian Conference was a conference held in October 1884 in Washington, D.C., in the United States, to determine a prime meridian for international...

French astronomer Jean Picard's measurement of a degree of arc along the Paris meridian. Improved maps and better measurement of distances and areas of national...

differ from those catalogued later in this article as having been used in Paris. In many cases, the names are different, while the livre is shown as being...

Hydrae as a variable star. He also helped with the survey based on the Paris Meridian. In 1723 he also confirmed earlier (1715) discovery of his pupil Joseph-Nicolas...

Academy (Toise de l'Académie). In 1799, after the remeasurement of the Paris meridian arc (Méridienne de France) between Dunkirk and Barcelona by Delambre...

agenda of National Assembly. In 1799, after the remeasurement of the Paris meridian arc (French: Méridienne de France) between Dunkirk and Barcelona by...

UTC±00:00. A slight variation of UTC±00:00, based until 1911 on the Paris Meridian, was used in: Andorra: 1901–1946 Belgium: 1892–1914 (without daylight...