Two 12mo (155x95 mm), (24)-334-(2) pages and 11 folding plates / 348-(2) pages and 5 folding plates. binding : Contemporary full vellum, flat blind spines.
Second french edition. Jacques Rohault was a great popularizer of Cartesian physics, he organized weekly public sessions, the "Wednesdays of Rohault" in which spectacular experiments served as a support for the explanation of physical theories. His Treatise on Physics follows the same principle, experimentation is central and facts precede explanations.