Three scientific textbooks, published Antwerp 1547-1551.

8vo (some soiling & traces of use).

Old blind-ruled calf with sm. gilt ornaments, several repairs.

1. Gemma Frisius, Reinerus - Arithmeticae practicae methodus facilis [...]. Antwerp, Gr. de Bonte, 1547. 79-[1] ff. Early ed. of Gemma Frisius’ mathematical textbook, 1st publ. 1540. Woodcut mark at the end. A few woodcut diagrams. - 2. Sacrobosco, Joannes de - Sphaera. Antwerp, J. Richard, 1551. [39-1 bl.] ff. Very rare Antwerp ed. of a popular astronomical textbook. Illustrated with 2 volvelles and numerous woodcuts and diagrams. - 3. Id. - Libellus de anni ratione, seu, ut vocatur vulgo, Computus ecclesiasticus. Ibidem, 1551. [44] ff. Equally rare treatise on the astronomical aspects of the ecclesiastical calendar. Woodcut mark at the end. Some woodcut ill. and diagrams.
Roermond prizebook, with prize awarded to "Joannes D...ij" (deleted) by the Roermond Jesuits on 7 September 1703.
Ref. 1: Van Ortroy 53. - BT 1251. 2: BT 1638. 3: BT 1633.
Prov. A number of contemp. marginal annotations (cropped). - Various 18th-c. ownership entries on 1st title (some deleted).