Vintage MOTOROLA models 58R11, 58R12, 58R14, 58R15 and 58R16 (Ch. HS-116) 5 tube Superheterodyne AM radio receiver.  Original old Sams Photofact manual includes schematic, layouts, alignment,  repair parts list. 4 pages. Dated 1948.  Motorola Inc. of Chicago, IL.  This manual would make a sensational accompaniment to your vintage audio equipment.