Created in England in the late twelfth century, this manuscript was intended to be a scientific textbook for monks. The manuscript is brief at nine folios, and was designed as a compendium of cosmographical knowledge drawn from early Christian writers such as Bede and Isidore, as well as the later Abbo of Fleury. Those writers, in turn, drew on classical sources such as Pliny the Elder for their knowledge but adapted it to be understood through the filter of Christianity. The twenty complex diagrams that accompany the texts in this pamphlet help illustrate them, and include visualizations of the heavens and earth, seasons, winds, tides, and the zodiac, as well as demonstrations of how these things relate to man. Most of the diagrams are rotae, or wheel-shaped schemata, favored throughout the Middle Ages for the presentation of scientific and cosmological ideas because they organized complex information in a clear, orderly fashion, making this material easier to apprehend, learn, and re
