The Astrarium of Giovanni Dondi (1318-1388). Used to determine the position of planets according to he Ptolemaic theory of the Universe. National Museum of Science and Technology Leonardo da Vinci. Milan. Italy.
The Astrarium of Giovanni Dondi (1318-1388). Used to determine the position of planets according to he Ptolemaic theory of the Universe. National Museum of Science and Technology Leonardo da Vinci. Milan. Italy.