Textus De Sphera Iohannis de Sacrobosco : Cum Additione (quantum necessarium est) adiecta : Nouo co[m]mentario nuper edito Ad vtilitatem studentiu[m] Philosophice Parisien[sis] Academie : illustratus
Textus De Sphera is a 1494 Paris printing of Johannes de Sacrobosco's astronomy textbook, printed by Wolfgang Hopyl and Johann Higman for students at the University of Paris. Its pictures are simple woodcut diagrams of celestial spheres, orbits and a globe with figures of the constellations, showing how early printed scientific diagrams labelled circles and lettered points.
![Picture 1 of 5 from Textus De Sphera Iohannis de Sacrobosco : Cum Additione (quantum necessarium est) adiecta : Nouo co[m]mentario nuper edito Ad vtilitatem studentiu[m] Philosophice Parisien[sis] Academie : illustratus (1494), leaf 14](https://img.insideoutlibrary.com/img/200/locbook-loc_2015657723-14-1.webp)
![Picture 2 of 5 from Textus De Sphera Iohannis de Sacrobosco : Cum Additione (quantum necessarium est) adiecta : Nouo co[m]mentario nuper edito Ad vtilitatem studentiu[m] Philosophice Parisien[sis] Academie : illustratus (1494), leaf 25](https://img.insideoutlibrary.com/img/200/locbook-loc_2015657723-25-1.webp)
![Picture 3 of 5 from Textus De Sphera Iohannis de Sacrobosco : Cum Additione (quantum necessarium est) adiecta : Nouo co[m]mentario nuper edito Ad vtilitatem studentiu[m] Philosophice Parisien[sis] Academie : illustratus (1494), leaf 39](https://img.insideoutlibrary.com/img/200/locbook-loc_2015657723-39-1.webp)
![Picture 4 of 5 from Textus De Sphera Iohannis de Sacrobosco : Cum Additione (quantum necessarium est) adiecta : Nouo co[m]mentario nuper edito Ad vtilitatem studentiu[m] Philosophice Parisien[sis] Academie : illustratus (1494), leaf 51](https://img.insideoutlibrary.com/img/200/locbook-loc_2015657723-51-1.webp)
![Picture 5 of 5 from Textus De Sphera Iohannis de Sacrobosco : Cum Additione (quantum necessarium est) adiecta : Nouo co[m]mentario nuper edito Ad vtilitatem studentiu[m] Philosophice Parisien[sis] Academie : illustratus (1494), leaf 55](https://img.insideoutlibrary.com/img/200/locbook-loc_2015657723-55-1.webp)