This instrument is clear evidence of the links between the astrolabe and astrology. On one side is an astrolabe for a single latitude, and on the other an astrological volvelle, used to find the positions of planets and other celestial bodies, especially in relation to the traditional astrological houses.
Rather like an alethiometer "Astrolabes are problem solving instruments – they compute things such as the time of day according the position of the sun and the stars in the sky. Like a computer, you input information and then you receive output. They were typically made of brass and had a 6 inch diameter, although as we will see much larger ones were made."
Greek Muses In ancient Greece. The 9 Muses were considered sources of knowledge and providers of inspiration to creators of literature and art. Almost everyone should still have a shrine to honor them. Calliope (Epic Poetry) Clio (History) Erato (Love Poetry) Euterpe (Music) Melpomene (Tragedy) Polyhymnia (Hymns and sacred poetry) Terpsichore (Dance) Thalia (Comedy) Urania (Astronomy)