NEW YORK PUBLIC LIBRARY / SCIENCE PHOTO LIBRARY NEW YORK PUBLIC LIBRARY / SCIENCE PHOTO LIBRARY
Design sketch of the astrarium by Giovanni de' Dondi, a 14th century professor of astronomy. An astrarium, is also known as an astronomical clock and planetarium. Giovanni de'Dondi and his son Jacopo were pioneers of the design and construction of this complex clock.
Model release not required. Property release not available.