Museo Galileo
Virtual Museum
Catoptric sundial
    • Setting:
      Interactive Rooms
    • Maker:
      Stefano Barbolini, Gianni Miglietta
    • Date:
    • Solar time

The sundial traced on the ceiling of this room operates by means of a mirror on the windowsill. When sunlight falls on the mirror, it projects a luminous disk that indicates the time of day and true noon throughout the year.