Venice: Battista Tramontin, 1689. Vellum. The very scarce 1689 original printing of Antonio Biondini's "Prattica D'Algebra" ("Treatise of Algebra"). Published in Venice in its commonly-read Latin, the original vellum binding is still strong and firmly in place. Forgivable spotting and staining to the panels, internally the pages are surprisingly clean..... More