De gnomonum umbrarumq. solarium usu liber. Turin, Bevilaqua 1574. Fol. Mit Wappenholzschn. a. Tit., 92 tls. größeren Diagrammen im Text. u. zahlr. meist fig. Holzschn.-Initialen. 6 nn., 123 num., 1 w. Bl. Mod. Prgt. (Etw. verzogen).

Harvard Coll. I, 53. STC Italian p. 82; Adams B 653. Riccardi I, 111: "Raro ed assai apprezzato". Poggendorff I, 143; cf. Vagnetti EIIb30 (collected works). Erste Ausgabe. - Seltenes und wichtiges Werk über Sonnenuhren, in dem auch die Spiegelsonnenuhr beschrieben wird. "Coppernicus hat über Sonnenuhren u. besonders solche mit Spiegeln nichts veröffentlicht. Daher ist das Buch des Benedictus das erste auf diesem Gebiet" (Zinner, Astron. Instrumente S. 76). - With 92 geometrical and perspectival woodcuts in text, several full-page, including a full-page perspective instrument invented by the author; charming and interesting woodcut initials in the text. - First edition of a richly illustrated manual on the making and the use of sundials by Giovanni Battista Benedetti (1530-1590), a very important Renaisance scientist, the immediate forerunner of Galileo. Benedetti was in 1567 invited to Turin by the Duke of Savoy, where he remained until his death. He was philosopher to the Duke and adviser on university affairs rather than professor himself. The present book on the theory and construction of sundials was Benedetti's first publication at Turin. It was the most comprehensive treatise on the subject until that time. It taught the construction of sundials at various inclinations and also with dials projected on cyclindrical and conical surfaces. Benedetti also designed and constructed various public and private works at Turin, including sundials and fountains, but his real importance lies in his role in the history of science as a mathematician of great intellectual power. He conducted innovatory investigations in a number of fields and his scientific originality and versability created a basis for the overthrow of Aristotelian physics. With his theory on falling bodies Benedetti foreshadowed Gallileo, Simon Stevin in hydrostatics and Guido Ubaldo del Monte in perspective. Still, works of Benedetti's own hand are very rare. The present work is well produced, printed in Roman type, and adorned with numerous large and small historiated woodcut initials. - Tit. mit hinterlegt. Einriss in der ob. Blatthälfte. 4 Bl. am Anfang mit Wasserrand im ob. Blattrand. Tls. stockfleckig, vereinzelt leicht fingerfleckig in den Blatträndern. Num. Bl. 117-123 mit kl. Wasserfleck im unt. Eck. u. die 4. le. Bl. mit kl., anges. Eckabriss. Insgesamt gutes u. frisches Ex.

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