Vintage TELE KING model RK-41 (Ch. RD-1) 4 tube Superheterodyne AM radio receiver. Original old Sams Photofact manual includes schematic, layout, alignment instructions, voltage & resistance test chart, repair parts list. 4 pages. Dated 1953. Tele King Corp., of New York, NY. This manual would make a sensational accompaniment to your classic radio equipment.