VENTURI, GIOVANNI BATTISTA. Commentari sopra la Storie e le Teorie dell'Ottica . . . Tomo Primo [all published]. Engraved portrait and 10 folding plates. 4to, 303x224 mm, original blue paste-paper stiff wrappers, spine and cover edges worn; scattered foxing on plates and in text, gathering 11 incorrectly folded with leaves out of order, dampstaining in lower inner corners in second half of volume. Bologna: Fratelli Masi, 1814