De gnomonum umbrarumq ue solarium usu liber …

by Giovanni Battista Benedetti

$5,500 · Offered by Sophia Rare Books

First edition

Turin: Heirs of Nicolò Bevilacqua, 1574. First edition of the most comprehensive treatise on sundials of its time — the book in which Giovanni Battista Benedetti, in Stillman Drake’s words in DSB “the most important immediate forerunner of Galileo”, set out the theory and construction of dials at every inclination and on cylindrical and conical surfaces, and closed with an Appendix on a new instrument

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