ABOUT THE STARS OF ANGELUS ASTROLABIUM PLANUM
In one of my researches in Rome’s libraries I found a copy of Astrolabium Planum, one of the most intriguing and enigmatic books written during Renaissance by Johannes Angelus, published in 1488 in Augusta, one of the oldest German cities, founded by the Roman Emperor Augustus- where the author Johann Engel stated that the second [...]










About Cardano’s seven segments: a review
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About beibenie stars and their virtues
July 8, 2009
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