Vintage AIR KING model 4704 Combination 6 tube Superheterodyne AM radio receiver with automatic phonograph record changer. Original old Sams Photofact manual includes schematic, layout, alignment instructions, voltage & resistance test chart, 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 radio equipment.