 |
Medieval and Dark Ages Resources
Medieval Sourcebook The Anglo-Saxon Chronicle
description of image: Peter Apian, Astronomicum Caesareum, Ingolstadt, 1540. Apian's Astronomicum Caesareum is considered to be the last standard astronomical work based on the geocentric view of the universe. It consists of a series of concentric cardboard discs moved with threads, and from which the interested layman was able to read the arithmetical values and astronomical constellations as on the face of a clock.
