Paris: Chez Bossange, Masson et Besson 1797. Three vols. 8vo., pp. [ff 1] + plate location & errata leaf + lxxii + 30 + -319; [ff 1] + plate location & errata leaf + -372; [ff 1] + plate location & errata leaf + -426; worn period calf gilt with morocco labels to spines; tips extremities and spine ends worn, boards scuffed; joints rubbed or starting (particularly Vol 3); marbled edges; marbled blue endpapers from printed stock; title leaves with contemporary ownership signatures; moderate foxing throughout, especially at leaves prior to or immediately following plates; still a good, sound set. Plates generally have light foxing (strongest at the page edges), a few with heavy foxing. The page size is 7 1/2 x 4 3/4 inches. The engraved plates all fold out and the plate lines run 8 inches by 7 inches on average. Including the blank portions, they run about 13 inches by 7 1/2 inches. All plates have multiple folds as issued, some have been refolded as well. Good. Boards. 
Second edition of this comprehensive 18th c. work on physics. Illustrated with 46 engraved, folded plates throughout. The work covers chemistry, astronomy, optics, mechanics, much more. Zoologist and natural philosopher Mathurin-Jacques Brisson (1723-1806) was a member of the French Academy of Sciences. He taught at Navarre and Paris.