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Méridienne verte
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The Méridienne verte is a project devised by the architect Paul Chemetov for the 2000 celebration in France. It involved marking on the ground the Paris Meridian crossing France from North to South by
Medallion on a Méridienne verte marker in the Rue de Rivoli, Paris 1
Medallion on a Méridienne verte marker in the Rue de Rivoli, Paris 1
Monument marking the Meridian at Dunkerque
Monument marking the Meridian at Dunkerque
Stele at Saint-Martin-du-Tertre. The inscription refers to the geodesic survey of France 1866-1883.
Stele at Saint-Martin-du-Tertre. The inscription refers to the geodesic survey of France 1866-1883.
Paris meridian
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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 rival to the Greenwich meridian as the prime me
Méridienne verte
…verte (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 crossing France from North to South (from Dunkerque in Nord-Pas-de-Calais to Prats-de-Mollo-la-Preste in Pyrénées-Orientales) by planting trees along…
Meridian Room (or Cassini Room) at the Paris Observatory, 61 avenue de l'Observatoire (14th arrondissement). The Paris meridian is traced on the floor
Meridian Room (or Cassini Room) at the Paris Observatory, 61 avenue de l'Observatoire (14th arrondissement). The Paris meridian is traced on the floor.
The triangulation mesh of the Anglo-French survey 1784–1790
The triangulation mesh of the Anglo-French survey 1784–1790
The West Europe-Africa Meridian-arc extending south from the Shetland Islands, through Great Britain, France and Spain to El Aghuat in Algeria, whose
The West Europe-Africa Meridian-arc extending south from the Shetland Islands, through Great Britain, France and Spain to El Aghuat in Algeria, whose parameters were calculated from surveys carried out in the mid to late 19th century. It yielded a value for the equatorial radius of the Earth a = 6 377 935 metres, the ellipticity being assumed as 1/299.15. The radius of curvature of this arc is not uniform, being, in the mean, about 600 metres greater in the northern than in the southern part. The
One of the 135 Arago medallions. This one is located near the Louvre Pyramid.
One of the 135 Arago medallions. This one is located near the Louvre Pyramid.