The World According to Columbus c. 1490

www.worldhistory.org
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A map illustrating Christopher Columbus's image of the world before his first voyage in 1492. It was based on a map by Toscanelli, depicting the planet about 25% smaller than it actually was, and ignored...
the (correct) measurements of Eratosthenes from some 1700 years earlier,…
Simeon Netchev
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