Vintage CORONADO model 35RA4-43-9856A 5 tube Superheterodyne AM radio receiver. Original old Sams Photofact manual includes schematic, layout, alignment instructions, voltage & resistance test chart, repair parts list. 4 pages. Dated 1953. Gamble-Skogmo Inc. of Minneapolis, MN.  This manual would make a sensational accompaniment to your classic radio equipment.