Vintage TRUETONE models D2410A, D2411A, D2412A and D2413A 5 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. Sears, Roebuck & Company of Chicago, IL. This manual would make a sensational accompaniment to your classic radio equipment.