Ambrosiana
JANUARY 2021: READING ROOM OPENING HOURS
Opening hours and access procedures for January
21/12/2020
NEWS
Tradition has it that this armillary sphere, which is mounted on an elegantly engraved lobated support, originally belonged to Saint Charles Borromeo. It can be used to study the movement of the moon according not to the ancient Ptolemaic view but to the new Copernican system.