Description: Eratosthenes is the ancient Greek mathematician and geographer attributed with devising the first system of Latitude and Longitude. He was also the first know person to calculate the circumference of the earth. This is the map he produced based on his calculations. Source: Ernest Rhys, Ed., A Literary and Historical Atlas of Asia (New York, NY: E.P. Dutton & CO., 1912) 2 Map Credit: Courtesy the private collection of Roy Winkelman |
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