File:Speculum Astronomiae.jpg

Summary
First page from a manuscript of the Speculum Astronomiae in the library of the Institution of Electrical Engineers. 15th century. Decorated initial O, two rubrics (Incipit Speculum Tractis Alberti Magni and Probemium).

Source: https://ietarchivesblog.org/wp-content/uploads/2024/04/albertus-magnus-f1.jpg