Ursi's Eso GardenYour Competent Esoteric Guide Saturday, 18. February 2006
The Mercator Celestial Globe
Gerard Mercator (1512-1594) is best known for the first use, in 1569, of the map projection bearing his name. This was the first projection on which any given compass bearing could be plotted as a straight line, thereby greatly aiding navigation at sea. Mercator was a publisher of maps and atlases, but he is only known to have produced one pair of globes: a terrestrial globe in 1541 and a matching celestial globe in 1551. These globes were produced while Mercator was in Louvain where he had lived since entering the University of Louvain in 1530. Surviving examples of the Mercator globes are rare and the pair at the Harvard Map Collection are the only known matched pair in America. The Mercator Celestial Globe
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