About This Item
Title
Astrological volvelle
Subject
Astrology
Astronomy
Book Illustrations
Description
Artist unknown.
Diagram with movable wooden arm (volvelle) used to locate the position of the moon in the zodiac, which would determine the best time (or the worst) to be bled to counter an imbalance of the four humors.
Title suppled by cataloger.
Source
Original image in: Padovani, Giovanni, approximately 1512-. Viridarium Mathematicorum (Venetiis : Apud Bologninum Zalterium, 1563), Insert 3. 9 9 (Historical Medical Library of The College of Physicians of Philadelphia)
Publisher
Digitzed by the Historical Medical Library of The College of Phyicians of Philadelphia
Date
1563
Language
lat
Type
StillImage
Identifier
9_9.3.jpg
Original Format
1 print : woodcut
Physical Dimensions
21 x 16 cm
Citation
“Astrological volvelle,” The College of Physicians of Philadelphia Digital Library, accessed October 31, 2025, https://cppdigitallibrary.org/items/show/2383.