Music. Theory.
Ciruelo, Pedro Sanchez, -1580. **E) 1Q1.2T Cursus quatuor mathematicari artiti liberalifi: quas recollegit atq3
correxitmagister Petr’ Ciruelus Darocésis . . .
— [Alcala, por Miguel Eguia.] 1526. (82) ff. Diagrams. Vignettes. Decorated title-page. 28 cm., in 4s. Contents. — Previa in arithmetica questiuncula de vera numerorum natura. — Previa in geometriam questiuncula de realitate punctorum, linearum, superficierum: & figurarum. — In perspectiva coem questiuncula previa de sana intelligentia radiorum visualium. — Questiuncula preuia in musi- cam speculatiuam divi Seuerini Boettii. The colophun 15 dated 1528,
This card was printed at the Bosto: Public Library, November 6, 1977.
* L2744— Boethius, Anicius Manlius Torquatus Severinus, 470-525. — Arithmetic. — Geometry. — Perspective. — Music. Theory.