Bologna: Dalla tipografia Cardinali e Frulli 1827. Vol 1: , 322 pages plus 3 folding plates. Vol 2: 383 pages plus 1 folding illustration in middle and 3 folding plates in the rear. Leather spine and corners over marbled boards. 2 Volumes bound in 1. 8vo. Wear to the extremities, first folding plate in Vol 2 proud (not properly folded). Otherwise generally bright and clean internally. Text in Italian. Very Good. Boards. 
This work includes notes and additions to elements and hydraulics of Giovanni Venturi. Venturi was an Italian physicist interested in optics and color, but he is best known for his work in hydraulics. Not in Biblioteca Mechanica, although several of Venturi's works are.