(ASTRONOMY) Scientia eclipsium ex imperio, et commercio Sinarum illustrata.... Rome: A. De Rubeis, 1747.Later sewn binding, in stiff paper wrappers (25 cm. tall), with manuscript titles to spine. With engraved title page and numerous tables. Collated as complete. This work draws together two earlier works on the science of eclipses, by Simonelli (156 pages, including 16 pages of tables) and Kegler (106 pages).