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CLAVIUS, Christoph. Operum mathematicorum, Mainz: Antonius Hierat & Reinhard Eltz, 1611-1612. 5 volumes, 2°, additional engraved title in vol. I, woodcut devices on printed titles, numerous diagrams, woodcut initials, head- and tailpieces, stiffeners from an early vellum manuscript binding bound in at end (lacking index leaves in vol. III, printed title in vol. I and a few other leaves with marginal repairs, lightly browned throughout, stronger to a few leaves), modern half calf; bookplate of D. Philipp Smelle and Ditton Park. FIRST COLLECTED EDITION. Sotheran I, 814.
Contains Clavius' arithmetic and algebra, his commentaries on Euclid, Theodosius, and Sacrobosco, his contributions to trigonometry and astronomy, and his work on the calendar. (5)
Contains Clavius' arithmetic and algebra, his commentaries on Euclid, Theodosius, and Sacrobosco, his contributions to trigonometry and astronomy, and his work on the calendar. (5)