Vintage MIDWEST models S8, ST-8 and TM-8 (Ch. STM-8) 8 tube 5 band Superheterodyne AM SW radio receiver. Original old Sams Photofact manual includes schematic, layout, alignment instructions, voltage & resistance test charts, repair parts list and description. 6 pages. Dated 1947. Midwest Radio Corp. of Cincinnati, OH. This manual would make a sensational accompaniment to your classic retro radio equipment.