The Piri Reis Map Sources

The Piri Reis Map Sources: Tracing the Origins of a Cartographic Mystery On October 9, 1929, while cataloging non-Arabic manuscripts for the Turkish Ministry of Education, Gustav A. Deissmann stumbled upon a bundle of forgotten maps in Istanbul’s Topkapı Palace. Among them was a fragment of a 1513 world map created by Hacı Ahmed Muhiddin […]