CAVALIERI, Bonaventura. Lo Specchio Ustorio overo trattato delle settioni coniche, el alcuni loro mirabili effetti intorno al lume, caldo, freddo, suono, e moto ancora … Bologna: Clemente Ferroni, 1632.
First edition, rare, of Cavalieri’s highly important treatise on conic sections and their applications in optics, acoustics and, perhaps most significantly, mechanics. Its importance in the history of the telescope is well-known: “Cavalieri’s design may well have been in all the essentials a direct anticipation of Newton’s reflecting telescope. Clearer and
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