Rome: Tipografia delle Belle Arti, 1857. First. hardcover. With 2 facsimiles and numerous mathematical diagrams in the text and on margins. Folio, contemporary 1/2 vellum (darkened; paper spine label chipped). Roma: Tipografia delle Belle Arti, 1857. First edition. A very good(+) solid copy, printed on beautiful paper, with wide, untrimmed margins. very good(+).
The seven unpublished works in this volume are valuable in connection with the early history of arithmetic in Italy. There is a group of mostly historical lectures on arithmetic, historico- scientific notes on the origins of modern arithmetic and algebra. Cossali (1748-1815) taught both physics and astronomy at the University of Parma.