ARAGO, Francois. Popular Lectures on Astronomy. Translated, with notes, by Walter K. Kelly. New edition, revised to the present time, by the late Rev. L. Tomlinson. Xii, 209, [1],[2]pp adverts., half-title., text diagrams. A good copy in original blind stamped and gilt lettered brown cloth. Plainly rebacked and with paper label. Slight wear to the corners, and owner’s name on the end-paper. small 8vo. Routledge, Warne, & Routledge. 1859. ~ François Arago (1786-1853), was a French physicist who discovered the principle of the production of magnetism by rotation of a nonmagnetic conductor. He also devised an experiment that proved the wave theory of light and engaged with others in research that led to the discovery of the laws of light polarization.