Before revision: History 1482 reproduction of the world map in the Geography of Claudius Ptolemy The graticule is of ancient origin, being almost as old as the concept of the spherical earth , coordinate system for measuring geographic locations, and the map projection.
After revision: History 1482 reproduction of the world map in the Geography of Claudius Ptolemy The graticule is of ancient origin, being almost as old as the concept of the spherical Earth , coordinate system for measuring geographic locations, and the map projection.