Vintage TRUETONE models D3630 and D3630N portable 5 tube Superheterodyne AM radio receiver. Original old Sams Photofact manual includes schematic, layout, alignment instructions, voltage & resistance test charts, repair parts list and description. 4 pages. Dated 1947. Western Auto Supply Company of Kansas City, MO. This manual would make a sensational accompaniment to your classic retro radio equipment.