By reducing all these maps to one scale this final form was arrived at, so that this map of these lands is regarded by seamen as accurate and as reliable as the accuracy and reliability of the Seven Seas on the aforesaid maps."
From Inscription 6 on the map:įrom eight Jaferyas of that kind and one Arabic map of Hind, and from four newly drawn Portuguese maps which show the countries of Sind, Hind and Çin geometrically drawn, and also from a map drawn by Qulūnbū in the western region, I have extracted it. According to Piri, these maps included eight Ptolemaic maps, an Arabic map of India, four newly drawn Portuguese maps from Sindh, and a map by Christopher Columbus of the western lands. In the map's legend, Piri inscribed that the map was based on about twenty charts and mappae mundi. It was presented to Ottoman Sultan Selim I in 1517. The map was signed by Piri Reis, an Ottoman-Turkish admiral, geographer and cartographer, and dated to the month of Muharram in the Islamic year 919 AH, equivalent to 1513 AD. The surviving portion primarily details the western coast of Africa and the eastern coast of South America. The map is the extant western third of a world map drawn on gazelle-skin parchment approximately 87 cm × 63 cm. The Piri Reis map is in the Library of the Topkapı Palace in Istanbul, Turkey, but is not usually on public display. More recently, the map has been the focus of claims for the pre-modern exploration of the Antarctic coast. Piri also stated that he had used ten Arab sources and four Indian maps sourced from the Portuguese.
The map's historical importance lies in its demonstration of the extent of exploration of the New World by approximately 1510, and in its claim to have used a map made by Christopher Columbus, otherwise lost, as a source. Various Atlantic islands, including the Azores and Canary Islands, are depicted, as is the mythical island of Antillia and possibly Japan. Approximately one third of the map survives it shows the western coasts of Europe and North Africa and the coast of Brazil with reasonable accuracy. The Piri Reis map is a world map compiled in 1513 by the Ottoman admiral and cartographer Piri Reis.
The appended notes say "the map of the western lands drawn by Columbus" Surviving fragment of the Piri Reis map showing the Central and South American coast.
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