An astrolabe is an ancient instrument used to locate the position of celestial bodies (sun, moon and stars): it represents the celestial vault projected on a plane. Astrolabes were used until the 17th century, when more precise astronomical instruments were introduced. However, they were included in scientific collections as a sign of cultural refinement. This astrolabe, dating from 1500, could determine the position of thirty eight stars.
From July 26 to August 31 the reading room is closed for the usual summer pause.
Every Sunday, from May 23, 2021
On the occasion of the celebrations for the seventh centenary of Dante Alighieri's death, the exhibition presents a precious selection of Divine Comedies from the Ambrosiana Library.
