Vintage AIR CHIEF model 4-A-37 combination 8 tube Superheterodyne AM SW radio receiver with phonograph record changer player. Original old Sams Photofact manual includes schematic, layout, alignment instructions, voltage & resistance test chart, repair parts list and description. 6 pages. Dated 1947. Firestone Tire and Rubber Company of Akron, OH. This manual would make a sensational accompaniment to your classic retro radio / phono equipment.