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Ptolemy's world map

The Ptolemy world map is a map of the world known to Greco-Roman societies in the 2nd century. It is based on the description contained in Ptolemy's book Geography, written c. 150. Based on an inscription in several of the earliest surviving manuscripts, it is traditionally credited to Agathodaemon of Alexandria.

Ptolemy's world map, reconstituted from Ptolemy's Geography (circa 150) in the 15th century, indicating "Sinae" (China) at the extreme right, beyond the island of "Taprobane" (Ceylon or Sri Lanka, oversized) and the "Aurea Chersonesus" (Southeast Asian peninsula).
Detail of East and Southeast Asia in Ptolemy's world map. Gulf of the Ganges (Bay of Bengal) left, Southeast Asian peninsula in the center, South China Sea right, with "Sinae" (China).

Notable features of Ptolemy's map is the first use of longitudinal and latitudinal lines as well as specifying terrestrial locations by celestial observations. The Geography was translated from Greek into Arabic in the 9th century and played a role in the work of al-Khwārizmī before lapsing into obscurity. The idea of a global coordinate system revolutionized European geographical thought, however, and inspired more mathematical treatment of cartography.

Ptolemy's work probably originally came with maps, but none have been discovered. Instead, the present form of the map was reconstructed from Ptolemy's coordinates by Byzantine monks under the direction of Maximus Planudes shortly after 1295. It probably was not that of the original text, as it uses the less favored of the two alternate projections offered by Ptolemy.

Continents edit

The continents are given as Europe, Asia, and Libya (Africa). The World Ocean is only seen to the west. The map distinguishes two large enclosed seas: the Mediterranean and the Indian (Indicum Pelagus). Due to Marinus and Ptolemy's mistaken measure of the circumference of the earth, the former is made to extend much too far in terms of degrees of arc; due to their reliance on Hipparchus, they mistakenly enclose the latter with an eastern and southern shore of unknown lands, which prevents the map from identifying the western coast of the World Ocean.[1]

India is bound by the Indus and Ganges rivers, but its peninsula is much shortened. Instead, Sri Lanka (Taprobane) is greatly enlarged. The Malay Peninsula is given as the Golden Chersonese instead of the earlier "Golden Island", which derived from Indian accounts of the mines on Sumatra. Beyond the Golden Chersonese, the Great Gulf (Magnus Sinus) forms a combination of the Gulf of Thailand and South China Sea which is bound by the unknown lands thought to enclose the Indian Sea. China is divided into two realms—the Qin (Sinae) and the Land of Silk (Serica)—owing to the different accounts received from the overland and maritime Silk Roads.[1]

The Geography and the map derived from it probably played an important role in the expansion of the Roman Empire to the East. Trade throughout the Indian Ocean was extensive from the 2nd century, and many Roman trading ports have been identified in India. From these ports, Roman embassies to China are recorded in Chinese historical sources from around 166.

The Danish historian Gudmund Schütte attempted to reconstruct the Danish part of Ptolemy's world map. It includes several place- and tribe-names, some of which Schütte assigned a contemporary equivalent. The most prominent feature of the map is the peninsula Jutland placed north of the river Albis Trêva, west of the Saxonôn Nesôi (archipelago), east of the Skandiai Nêsoi, which itself lies west of a larger island Skandia. Skandia is home to the Goutai in the center, and the Phiraisoi in the east.

North of Jutland lies a third archipelago Alokiai Nêsoi. South of the Albis live the Lakkobardoi and to its north the Saxones. The west coast of Jutland is home to the Sigulônes, the Sabaliggio, the Kobandoi, the Eundusioi and the northernmost Kimbroi (possibly Cimbri). North and east is home to the Kimbrikê (possibly Cimbri), the Chersonêsos and the Charudes.[2]

References edit

  1. ^ a b Thrower, Norman Joseph William (1999). Maps & Civilization: Cartography in Culture and Society. University of Chicago Press. ISBN 0-226-79973-5.
  2. ^ Bure, Kristjan, ed. (1961). Jernalderen, Turistforeningen for Danmark, Årbog 1961 [The Iron Age, The Tourist Association of Denmark, Yearbook 1961] (in Danish).

External links edit

  • Nicholas the German's c. 1480 Florentine edition, the first to use Ptolemy's 2nd projection, at the University of Minnesota
  • Late Ptolemaic maps at Columbia University
  • GIS Analysis and Digital Reconstruction of Ptolemy's India beyond the Ganges, Serike and Sinae
  • Iterative Reconstruction of Ptolemy’s West Africa Using Modern GIS Analysis
  • [http://pervokarta.ru/astrolab/2020.pdf Visualization and GIS Analysis of Ptolemy’s One-Sided Globe in the Old and Modern

Contexts

This is what the cover looks like. Circulation: 100 copies. The quintessence of our 25 years of research. Unfortunately, we cannot sell it in the Russian Federation for political reasons. Without the so-called Agency - which are subordinate to the state - we cannot enter into an agreement with the store. We presented it to all leading libraries of the Russian Federation.]

  • Claudius Ptolemy’s East Africa Georeferenced and Visualized e-Perimetron, Vol. 18, No 4, 2023

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The Ptolemy world map is a map of the world known to Greco Roman societies in the 2nd century It is based on the description contained in Ptolemy s book Geography written c 150 Based on an inscription in several of the earliest surviving manuscripts it is traditionally credited to Agathodaemon of Alexandria Ptolemy s world map reconstituted from Ptolemy s Geography circa 150 in the 15th century indicating Sinae China at the extreme right beyond the island of Taprobane Ceylon or Sri Lanka oversized and the Aurea Chersonesus Southeast Asian peninsula Detail of East and Southeast Asia in Ptolemy s world map Gulf of the Ganges Bay of Bengal left Southeast Asian peninsula in the center South China Sea right with Sinae China Notable features of Ptolemy s map is the first use of longitudinal and latitudinal lines as well as specifying terrestrial locations by celestial observations The Geography was translated from Greek into Arabic in the 9th century and played a role in the work of al Khwarizmi before lapsing into obscurity The idea of a global coordinate system revolutionized European geographical thought however and inspired more mathematical treatment of cartography Ptolemy s work probably originally came with maps but none have been discovered Instead the present form of the map was reconstructed from Ptolemy s coordinates by Byzantine monks under the direction of Maximus Planudes shortly after 1295 It probably was not that of the original text as it uses the less favored of the two alternate projections offered by Ptolemy Continents editThe continents are given as Europe Asia and Libya Africa The World Ocean is only seen to the west The map distinguishes two large enclosed seas the Mediterranean and the Indian Indicum Pelagus Due to Marinus and Ptolemy s mistaken measure of the circumference of the earth the former is made to extend much too far in terms of degrees of arc due to their reliance on Hipparchus they mistakenly enclose the latter with an eastern and southern shore of unknown lands which prevents the map from identifying the western coast of the World Ocean 1 India is bound by the Indus and Ganges rivers but its peninsula is much shortened Instead Sri Lanka Taprobane is greatly enlarged The Malay Peninsula is given as the Golden Chersonese instead of the earlier Golden Island which derived from Indian accounts of the mines on Sumatra Beyond the Golden Chersonese the Great Gulf Magnus Sinus forms a combination of the Gulf of Thailand and South China Sea which is bound by the unknown lands thought to enclose the Indian Sea China is divided into two realms the Qin Sinae and the Land of Silk Serica owing to the different accounts received from the overland and maritime Silk Roads 1 The Geography and the map derived from it probably played an important role in the expansion of the Roman Empire to the East Trade throughout the Indian Ocean was extensive from the 2nd century and many Roman trading ports have been identified in India From these ports Roman embassies to China are recorded in Chinese historical sources from around 166 The Danish historian Gudmund Schutte attempted to reconstruct the Danish part of Ptolemy s world map It includes several place and tribe names some of which Schutte assigned a contemporary equivalent The most prominent feature of the map is the peninsula Jutland placed north of the river Albis Treva west of the Saxonon Nesoi archipelago east of the Skandiai Nesoi which itself lies west of a larger island Skandia Skandia is home to the Goutai in the center and the Phiraisoi in the east North of Jutland lies a third archipelago Alokiai Nesoi South of the Albis live the Lakkobardoi and to its north the Saxones The west coast of Jutland is home to the Sigulones the Sabaliggio the Kobandoi the Eundusioi and the northernmost Kimbroi possibly Cimbri North and east is home to the Kimbrike possibly Cimbri the Chersonesos and the Charudes 2 References edit a b Thrower Norman Joseph William 1999 Maps amp Civilization Cartography in Culture and Society University of Chicago Press ISBN 0 226 79973 5 Bure Kristjan ed 1961 Jernalderen Turistforeningen for Danmark Arbog 1961 The Iron Age The Tourist Association of Denmark Yearbook 1961 in Danish External links edit nbsp Wikimedia Commons has media related to Ptolemaic world maps Nicholas the German s c 1480 Florentine edition the first to use Ptolemy s 2nd projection at the University of Minnesota Late Ptolemaic maps at Columbia University Richard Donohue s presentation of Ptolemy s projection with modern geographic knowledge GIS Analysis and Digital Reconstruction of Ptolemy s India beyond the Ganges Serike and Sinae Iterative Reconstruction of Ptolemy s West Africa Using Modern GIS Analysis http pervokarta ru astrolab 2020 pdf Visualization and GIS Analysis of Ptolemy s One Sided Globe in the Old and Modern Contexts Dmitri Gusev Sergey Stafeyev Book One Sided Earth in Russian http history fiction ru books photo max 1 5441 jpg This is what the cover looks like Circulation 100 copies The quintessence of our 25 years of research Unfortunately we cannot sell it in the Russian Federation for political reasons Without the so called Agency which are subordinate to the state we cannot enter into an agreement with the store We presented it to all leading libraries of the Russian Federation Claudius Ptolemy s East Africa Georeferenced and Visualized e Perimetron Vol 18 No 4 2023 Retrieved from https en wikipedia org w index php title Ptolemy 27s world map amp oldid 1210998958, wikipedia, wiki, book, books, library,

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