Vintage TRUETONE models D2418A, D2419A and D2420A 4 tube Superheterodyne AM radio receiver with electric clock. Original old Sams Photofact manual includes schematic, layout, alignment instructions, voltage & resistance test chart, repair parts list and description. 4 pages. Dated 1954. Western Auto Supply Company of Kansas City, MO. This manual would make a sensational accompaniment to your classic radio equipment.