Signatures: 4 leaves unsigned; *⁴; A-Z⁴ [Aa-Dd⁴], Ee-Nn⁴; 2 leaves unsigned (second leaf blank).
Title vignette: Device of the Accademia del cimento with motto "Provando e riprovando."
Head and tail pieces. Initials.
Reprint of the edition of 1667. With portrait of Cosimo III in place of Ferdinando II and dedication signed by the printer Gio. Filippo Cecchi 10 aprile 1691. A few copies have portrait and dedication of first edition. cf. Gamba, Testi di lingua, 4th ed., 1839, no. 853.