Vintage TRUETONE models D2806 & D2807 (Fact. Model 181) 4 tube Superheterodyne AM radio receiver. Original old Sams Photofact manual includes schematics, layouts, alignment, adjustments, charts, repair parts list. 4 pages. Dated 1948. Western Auto Supply Company of Kansas City, KS. This manual would make a sensational accompaniment to your vintage audio equipment.