About This Item
Diagram of an armillary sphere showing the rotation of the zodiac around earth.
Original image in: Sacro Bosco, Joannes de, active 1230. Sphaera mundi (Venice : Bonetus Locatellus for Octavianus Scotus, 4 Oct. 1490), leaf 3v. 1f 7 1490 (Historical Medical Library of The College of Physicians of Philadelphia)
Sphaera mundi was originally composed in the 13th century by Joannes de Sacro Bosco, a 13th century mathematician and astronomer, also known as John Holywood. The work deals with the shape and apparent movement of the earth and other heavenly bodies and was the single most influential astronomy text for centuries.
Digitized by the Historical Medical Library of The College of Physicians of Philadelphia
1 print : woodcut
21 x 14 cm
“Spera Mundi,” The College of Physicians of Philadelphia Digital Library, accessed May 19, 2019, https://www.cppdigitallibrary.org/items/show/2409.