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Nasir al-Din al-Tusi (1201-1274) Al-Tadhkira
(Memoranda on Astronomy)
world map from a 1331 copy (Khurasan)
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The 1331 Ms belonging to Pr. Sami Haddad (Beirut)
Taken from : Joseph Needham ; Science and Civilization in China: Volume 3, Mathematics and the Sciences of the Heavens. Extracts from several of his works are given under the date 1274AD here only the special map.
The importance of this map lies in the fact that it shows Africa the way the Chinese saw it. Unfortunately I do not know if there are inscriptions on the map and if those inscriptions represent the Arab or the Chinese knowledge of Africa. (The drawing given is just the outlines of the map as Needham copied them)
