4°, pp. 156 (8 n.n. + 110 + 38 n.n.), ill.; 23x16 cm
Florence, Istituto e Museo di Storia della Scienza, MED 1293, p. 83
First Italian translation of the treatises on optics by Euclid (4th century BC) and Heliodorus of Larissa (4th century). These two pages of Egnazio Danti’s commentary illustrate the use of a mirror for correcting the images in a camera obscura.