Inventor (1906-1971) best known for inventing the first fully electronic television system. Signed book from his personal library: Magnetic-amplifier Circuits. First edition, first printing. NY: McGraw-Hill, 1954. Hardcover with dustjacket, 6.25 x 9.25, 277 pages. Signed at the top of the first free end page, “P. T. Farnsworth 7/54.” In fine condition, with small ink notation next to signature, some scattered soiling to fore-edges, and a few corner bumps to covers. Dustjacket rates very good, with scattered paper loss, soiling, and edge tears and creases. RRAuction COA.