This exhibit brings together diagrams from a copy of Johannes de Sacrobosco's De sphaera mundi (On the Sphere of the World) in a manuscript at the University of Pennsylvania, MS Codex 1881, with annotations, transcriptions, and other contextual information. To learn more about this manuscript, see the introduction to this project and the list of resources for further reading.
If you would like to contribute more information about these diagrams, please fill out the feedback form, or contact Aylin at malcolma[at]sas.upenn.edu.
| Annotated Diagrams | ||
| The Spheres | The Circles | The Climes |
 |
 |
 |
| Volvelles and Rotating Diagrams | |
| The Spheres | The Horizon |
|
|
|
This website is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.