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

ZANGAKI BROTHERS and others (photographers). [Cover title:] Egypte.
[Egypt, ca. 1870-1913]. Oblong folio (ca. 33 x 41 cm). With 83 albumen prints, of which 2 folding panorama photographs, 17 signed and numbered in the negative by the Zangaki brothers, and 66 larger prints of the oil industry. Contemporary embossed brown cloth (made to imitate reptile skin), with the title blind-tooled on the front board, decorative paper endpapers. [42], [8 blank] ll. 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