About This Item
Title
Astrological volvelle 
            Subject
Astrology
                    Book Illustrations
            Description
Artist unknown.
                    Circular diagram with with two movable inner circles (volvelle) used for astrology.
                    Title suppled by cataloger.
            Source
Original image in: Llull, Ramon, 1232?-1316. Practica compendiosa (Lugduni : Moylin de Cambrai, 1523), leaf 153r. Z1f 14 (Historical Medical Library of The College of Physicians of Philadelphia)
                    Practica compendiosa, by Ramon Llull, is a encyclopedia, parts of which focus on astrological medicine. This 1523 edition includes several astrological diagrams, including a volvelle. Ramón Llull was a 13th century philosopher, mystic, writer, and martyr.
            Publisher
Digitized by the Historical Medical Library of The College of Physicians of Philadelphia
            Date
1523
            Language
lat
            Type
StillImage
            Identifier
Z1f_14.153r
            Original Format
1 print : woodcut
            Physical Dimensions
25 x 18 cm
            Citation
“Astrological volvelle ,” The College of Physicians of Philadelphia Digital Library, accessed November 4, 2025, https://cppdigitallibrary.org/items/show/2387.
    Related Exhibits
Under the Influence of the Heavens: Astrology in Medicine in the 15th and 16th Centuries

