Vintage AIR KING model A-403 combination 4 tube Superheterodyne AM radio receiver with phonograph record player. Original old Sams Photofact manual includes schematic, layout, alignment instructions, voltage & resistance test charts, repair parts list and description. 4 pages. Dated 1947. Air King Products Company of Brooklyn, NY. This manual would make a sensational accompaniment to your classic retro radio / phono equipment.