PICCOLOMINI, ALESSANDRO. In Mechanicas Quaestiones Aristotelis, Paraphrasis paulo quidem plenior... Eiusdem Commentarium de Certitudine Mathematicarum disciplinarum. Rome: Antonio Blado, 1547. With two different printers divices on title and last page and in text woodcuts. 4to, old vellum backed boards, some worming to spine; spine reinforced, modern endpapers.