Padua: Nella Tipografia del Seminario, 1819-20. First edition. Quarter Calf. 4to (25.5 x 17.7 cm). 1st ed. 2 volumes in recent 1/4 leather binding on marble boards with new end papers in addition to original free end papers. vii  -284pp (2 folding plates); 1-299 [errata for volume 1] (2 folding plates)pp. This is a very clean and bright copy with four folding engraved plates of geometric, celestial, solar events, and orbiting of planets. Very Good. Item #0000175
The text covers a wide range of astronomical events including orbiting of planets, Kepler's laws, Saturn rings, Copernican system, lunar theory and circular movement of moon around earth and solar eclipses. Santini, was a professor of Astronomy at Padua. This is Santini's major work.