A French copy of Muhammad al-Idrisi’s 12th century map of the known world. Oriented with south on th
A French copy of Muhammad al-Idrisi’s 12th century map of the known world. Oriented with south on the top, the map was made as part of an atlas for Roger II of Sicily and projected a far more accurate circumference of the earth (22,000 miles) than Columbus did. The book took 15 years to produce. -- source link
#history#cartography#maps