Vintage BENDIX models 1531 & 1533 6 tube Superheterodyne AM SW radio receiver with phonograph record player.  Original old Sams Photofact manual includes schematics, layouts, alignment, adjustments, parts list. 5 pages. Dated 1948.  Bendix Radio, Div of Bendix Aviation Corp  of Baltimore, MD.  This manual would make a sensational accompaniment to your vintage audio equipment.