Poleni, Giovanni. Exercitationes Vitruvianae. (With texts by B. Baldus, C. Ptolemy, J. Buteo, J. L. Ziegler, B. Cavalerius, Athanasius Kircher, J. P. Salviatus, N. Goldmann and J. ==References== 3 parts in 1 volume. 2 Bl., 360 S. With 3 engraved head vignettes, 4 engraved image initials and 1 full-page engraved illustration of A. Visenti and 65 partly full-sided text woodcuts. 31 x 22 cm. Parchment d. Time with gold stamped title (dusty, back cover brown stained). Padua, J. Manfré for Pitteri in Venice, 1739-1741. Ebhardt 78. Fowler 250. Millard IV,104. – First edition of a collection of commentary on the Vitruv. "Main part of the work with directory and critical appreciation of the Vitruv editions from 1486 to 1728, at the end discussion of the vitruv manuscripts. Excellent learned criticism, reliable. Figures of older issues are reproduced in detail. ... Print and book decoration excellent" (Ebhardt). The Marchese Giovanni Poleni (1683-1761) was professor of philosophy, astronomy and mathematics in Padua and water builder of the Republic of Venice. Among his published and commented Vitruviana are treatises by Baldus on the scamilli impares (unlike benches) at Vitruv, from Kircher on the acoustics in Roman theatres, from Goldmann on the voluta ionica etc. – Breitrandig. In the head bar with a brownish moisture trail that becomes stronger towards the end. Half separated from the front flying intent.