Inventor (1906 - 1971) best known for inventing the first fully electronic television system. Signed book from his personal library: Physical Optics. Later printing. NY: Macmillan Company. Hardcover, 5.75 x 8.25, 846 pages. Signed at the top of the first free end page, “Philo T. Farnsworth.” Some scattered light foxing to inside pages, light toning to signed page, and scattered light wear to covers, otherwise fine condition. RRAuction COA.