BEN29143 St Augustine in his Cell, c.1480 (fresco) by Botticelli, Sandro (Alessandro di Mariano di Vanni Filipepi) (1444/5-1510); Church of Ognissanti, Florence, Italy; (add.info.: The book behind Augustine\'s head opened to display a page of Pythagorean mathematics; to the right of the painting is an astrolabe for observing celestial bodies; to the left is an armillary sphere which is a model of celestial movement. Augustine\'s concentrated gaze is directed upon the celestial movement. A spherical brass book stud has been placed so that it becomes into the orbit of Augustine\'s halo; Pythagorean Music of the Spheres; ); Photo 穢 Raffaello Bencini; Italian, out of copyright.