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
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
