Al-Khwarizmi's Book of the Image of the Earth
Kitab Surat al-Ard: geografía de al-Juarismi
- Date
- c. 833 · confidence medium
- Place
- Baghdad, Iraq
- Credited to
- Muhammad ibn Musa al-Khwarizmi
- Field
- Cosmos & Earth
What was discovered
Table of coordinates for about 2,400 localities that corrects and expands Ptolemy's Geography, shortening the Mediterranean and adding the Islamic world. It accompanied the world map commissioned by al-Ma'mun.
It survives in a single manuscript (Strasbourg, 1037).
What it led to
- Islamic cartography by coordinates
- correction of the Mediterranean's size
- geographies of Ibn Hawqal, al-Biruni and al-Idrisi