Brilliant and versatile Croatian-born American inventor and engineer (1856–1943) whose discoveries revolutionized the understanding and practical applications of electricity and magnetism. TLS signed “N. Tesla,” one page, 8 x 10.5, May 13, 1896. Tesla writes to Paul Dana at the New York Sun. In full: “Your note just received. I fear I could not manage to come to dinner. You know, of course, that the experiments need some preparation and my time is so much taken up with other matters that I shall very likely need every moment on Tuesday. Anticipating the pleasure, I remain….” In very good condition, with slight trimming to edges, vertical fold through first initial, and light wrinkling and toning. RRAuction COA.