La Gnomonique, ou l'art de faire des cadrans.

Paris, Charles Saillant, 1767; 12mo, XV + 324 + 51 pp. Contemporary full calf, spine with 5 raised bands, title label, compartments decorated with gilt fleurons. Upper headcap worn away, lower headcap and corners bumped. Complete with the 12 folding plates. Third edition revised by the author, Dominique-François Rivard (1697, Neufchâteau - 1778, Paris), mathematician and philosopher from Lorraine.