Vintage CORONADO models 43-8351 and 43-8352 6 tube Superheterodyne AM radio receiver. Original old Sams Photofact manual includes schematic, layout, alignment instructions, voltage & resistance test chart, repair parts list and description. 4 pages. Dated 1947. Coronado, of Minneaplois, MN and Los Angeles, CA. This manual would make a sensational accompaniment to your classic retro radio equipment.