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Science & Technology / Astronomy & Mathematics

First edition of an important Dutch manual for the use of the sector or proportional compass

WARIUS, Pieter. Nieuwe verklaring over de proportionaal passer, waar in aangewesen word, hoe dezelve is te tekenen, en hoe tafeltjes daar toe dienende konnen werden berekent, vervolgens der zelver veelvuldig en nuttig gebruyk, zoo in de tel- als meetkonst; ...
Amsterdam, Joannes Loots, 1708. 4to. With a large folding engraved plate illustrating the scales on the sector and 12 smaller folding engraved plates showcasing several of the calculations. Contemporary calf, gold-tooled spine. [4], 72 pp. Full description
€ 2,950
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Rare mathematical study of the construction of sundials

WELPER, Eberhard the elder. Gnomonica, oder gründlicher Unterricht und Beschreibung, Wie man allerhand Sonnen-Uhren auf ebenen Orten künstlich aufreissen und leichlich verfertigen soll &c. Zum andermal aufgeleget und mit nutzlichen Anmerkungen, wie auch dem andern Theil, vermehret, durch einen Liebhaber der Mathematischen Wissenschaften [= Johann Christoph Sturm].
Nuremberg, Paulus Fürstens, printed by Christoph Gerhard, 1672. 2 volumes bound as 1. 4to. With a finely engraved frontispiece (an architectural gate with a wide variety of sundials and other astronomical instruments), 16 engraved plates (1 folding) in the first part (that for p. 48 repeated - at the end of vol. 2 - in accordance with the instructions to the binder), and numerous mathematical illustrations and figures on 13 folding engraved plates lettered A-N in the second part. Contemporary parchment. [12], 88; 74, [2] pp. Full description
€ 4,250
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Dutch mathematician Nicolaas Ypey on conic sections, with 50 mathematical figures

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
€ 1,250
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