Inventor (1906 - 1971) best known for inventing the first fully electronic television system. Signed book: Advanced Calculus. Later printing. NY: Macmillan Company, 1928. Hardcover, 5.75 x 9, 530 pages. Signed at the top of the first free end page by Farnsworth. Two Farnsworth personal library bookplates affixed to the inside front cover and signed page. In very good condition, with light overall toning to pages, personal stamp to fore edges, light wear and corner bumps to covers, fraying to spine, and slight hinge separation. RRAuction COA.
