Vintage Radio Service Manual - FARNSWORTH model GT-050 GT-051 & GT-052 5-tube Superheterodyne AM radio receiver. Manufactured by Farnsworth Television and Radio Corp., of Fort Wayne, IN. Dated 1948. 4 pages. Original old Sams Photofact manual includes schematic, layout, alignment instructions, voltage & resistance test chart, repair parts list and description. This manual would make a sensational accompaniment to your retro audio equipment.