Histoire de l'Académie royale des sciences. Année 1741

Illustrated edition with 5 plates for volume 1, 13 for volume 2, most folding, totaling 18 plates. Title pages in red and black.
Contemporary full marbled brown calf binding. Decorated spine with raised bands. Red morocco title label and black wax volume label. One lack to head of volume 2, one to head of volume 1. Rubbing
Notable among the articles mentioned in each section are the following remarkable pieces: Reflections on the theory of Jupiter's third satellite, by M. Maraldi. On the irreducible case of the third degree, by M. Nicole. Demonstration of Descartes' rule, for determining the number of positive & negative roots in equations that have no imaginary roots, by M. l'abbé de Gua. On the determination of solstices, by M. Cassini de Thury. Observations attempting to discover the part of the brain where the soul exercises its functions, by M. de la Peyronie. Problems of dynamics by M. de Montigny. On the formation of the human voice, by M. Ferrein. Research on the number of real or imaginary roots, real positive or real negative, that can be found in equations of all degrees, by M. l'abbé de Gua.