Vintage KNIGHT model 8B-210 combination 8 tube Superheterodyne AM radio receiver with automatic phonograph record changer player.  Original old Sams Photofact manual includes schematic, layout, alignment instructions, voltage & resistance test charts, repair parts list and description.  4 pages. Dated 1947. Allied Radio Corporation of Chicago, IL. This manual would make a sensational accompaniment to your classic retro radio / phono equipment.