[Collected volume mathematics-astronomy] Gemma Frisius. Sacroboso. Winshem. Purbach.

Arithmeticae Practicae. Methodus facilis per Gemmam Frisium Medicum ac Mathematicum. Wittenberg. Matthias Welac. 1583 + Johannis de Sacrobusto Libellus de Sphaera (...) cum praefatione Philippi Melanchtonis. [Wittenberg. Crato. 1568] + Libellus Ioannis de Sacrobusto, de Anni ratione, seu ut vocatur vulgo, Computus Ecclesiasticus. Cum praefatione Philippi Melanchthonis. Anno MDLVIII. [Wittenberg. Crato. 1568] + Cisio Ianus in Carmina. Erasmo Reinholdo Saveldensi. Wittenberg. Erven Petrus Seitz. 1578 + Canon Sexagenarum et Scrupulorum Sexagesimorum (...) M. Sebastiani Theodorici Winshemij. Wittenberg. Matthaeus Welack. 1583 + Theoricae Novae Planetarum Georgii Purbachii Germani (...) Inserta item methodica tractatio de illuminatione Lunae. Wittenberg. Estate of Johannis Cratonis. 1580.

12mo, vellum across hard cased boards, blindstamped, centered crucified Christ and HSS 1590 on front board; annotations on endpapers and title in ms., ex libris. Six volumes in one binding, mostly unpaginated, 6 titles of which 4 with printer's mark, numerous woodcut images in the text, several tables of which 2 folding, 3 folding figures and 2 folding text parts belonging to Puerbach. Binding damaged, minor repair to first title page, minor stains; else a good and interesting collected volume.