Science & Technology

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

ZEKELI, Lukas Friedrich Die Gastropoden der Gosaugebilde in den nordöstlichen Alpen. [...] Aus den Abhandlungen der k.k. geologischen Reichsanstalt. 1. Band. 2. Abtheilung, Nr. 2. Mit 24 lithographirten Tafeln.
Wien, K. K. Hof- und Staatsdruckerei bei Wilhelm Braumüller, 1852. Folio. With engraved coat-of-arms of the Austrian Empire flanked by two eagles on the title-page and 24 numbered full-page plates of (snail-) shells with more than 400 figures, lithographed by J. Strohmaijer, Zehner, Heinrich Backer and A. Paschinger. Contemporary half calf. [4], 124 pp. Full description

ZINNER, Ernst. Deutsche und Niederländische astronomische Instrumente des 11.-18. Jahrhunderts.
München, C.H. Beck'sche Verlagsbuchhandlung, 1956. With 80 numbered plates. Half cloth. X, 678, [2] pp. Full description

[ZUMBACH VON KOESFELD, Lothar] and Gerard VALK (engraver and publisher). 't Werkstellige der sterre-konst ...
Amsterdam, Gerard Valk, [late 17th or early 18th century (ca. 1701?)]. 4to. With an engraved frontispiece, and 4 folding engraved plates. Further with a few tables in the text, some woodcut decorated initials, and a woodcut floral tailpiece. Contemporary stiff orange-brown sprinkled paper boards. [1], [1 blank], [2], 140 pp. Full description