Science & Technology / Astronomy & Mathematics

YPEY, Nicolaas. Grondbeginzelen der kegelsneeden, bevattende de eerste en voornaamste eigenschappen van de parabola, ellips en hyperbola. Ten dienste der leerlingen opgesteld.
Amsterdam, Yntema and Tieboel, 1769. 8vo. With 7 engraved folding plates, head- and tailpieces built up from cast typographic ornaments. Contemporary half calf, sprinkled-paper sides. XXVIII, 68 pp. Full description

[ZACUTO, Abraham Ben Samuel]. Ephemerides sive Almanach perpetuu[m].
(Colophon:) Venice, Petrus Liechtenstein, for Johannes Lucilius Santritter, October 1498. 4to. With a woodcut title page and numerous tables. 20th-century limp vellum, sewn on 2 thin vellum straps laced through the joints, with the manuscript name of the (wrong) author and year of publication on the spine. [122] ll. Full description