UNICORNO, GIUSEPPE. De l'Arithmetica Universale . . . Parte Prima [Seconda]. [8], 204; [4]; 205-395, [1] leaves, including final blank. 2 parts in one volume. 4to, 199x146 mm, 19th-century 1/2 vellum with leather lettering piece; margins trimmed entering some headlines and sidenotes, contents soiled, scattered stains and early underscoring and marginalia, partly scored old inscriptions on first title page, blank lower outer corner off 3K3. Venice: Francesco de' Franceschi, 1598