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The equator on a map of Earth. ... , found on the southern slopes of Volcán Cayambe [summit 5,790 metres (18,996 ft)] in Ecuador. This is ...
A second copy was discovered in 1889 at the Stadt Bibliothek of Breslau [7] along with maps of Europe and Britain. [ citation needed ] These three maps were destroyed by fire in 1945 but fortunately copies had been made before then. [ 8 ]
The projection found on these maps, dating to 1511, was stated by John Snyder in 1987 to be the same projection as Mercator's. [6] However, given the geometry of a sundial, these maps may well have been based on the similar central cylindrical projection, a limiting case of the gnomonic projection, which is the basis for a sundial. Snyder ...
[40]: 93–94 Among the three maps found at Mawangdui was a small map representing the tomb area where it was found, a larger topographical map showing the Han's borders along the subordinate Kingdom of Changsha and the Nanyue kingdom (of northern Vietnam and parts of modern Guangdong and Guangxi), and a map which marks the positions of Han ...
Older monument to the equator in Calacalí (2008) The Ciudad Mitad del Mundo ( Middle of the World City ) is a tract of land owned by the prefecture of the province of Pichincha , Ecuador . It is located at San Antonio parish of the canton of Quito , 26 km (16 mi) north of the center of Quito .
The Old World map includes discoveries made up to 1488 but the New World is current up to 1500. The two maps are also drawn at different scales, the New World chart larger than its Old World counterpart. [3] It contains the earliest known depiction of the equator and the Tropic of Cancer on a nautical chart. [4]
Posidonius calculated the Earth's circumference by reference to the position of the star Canopus.As explained by Cleomedes, Posidonius observed Canopus on but never above the horizon at Rhodes, while at Alexandria he saw it ascend as far as 7 + 1 ⁄ 2 degrees above the horizon (the meridian arc between the latitude of the two locales is actually 5 degrees 14 minutes).
Today the map is found within the Eran Laor maps collection in the National Library of Israel in Jerusalem. A mosaic model of the map is installed on the fence of Safra Square at the site of Jerusalem's city hall. The map is a figurative illustration, in the manner of the medieval mappa mundi format, depicting the world via a clover shape. [42]