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HomeExploreHistoryPeople Who Changed the History of MapsPtolemy

Ptolemy

by curious_compiler
Person
Ptolemy
/ Wikimedia Commons / Public domain · resizedfile
Ptolemy’s Geography gave readers coordinates for places and instructions for drawing the known world. Later mapmakers could redraw his world from those numbers. Comparing the maps produced from the same text shows what a system of coordinates makes possible and what happens when the underlying information is wrong.
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