Arithmetic.
Ciruelo, Pedro Sanchez, —1580, *#E191-21 Cursus quatuor mathematicarti artifi 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 colophuu 1s dated 1528.
This card was printcd at the Boston Public Library, November 6, 1977. L2744 — Boethius, Anicius Manlius Torquatus Severinus, 470-525. — Arithmetic. — Geometry. — Perspective. — Music. Theory.