Vintage ECHOPHONE models EC-306 and EX-306 Combination 6 tube AM SW radio receiver with automatic 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. Hallicrafters Company of Chicago, IL. This manual would make a sensational accompaniment to your classic retro radio / phono equipment.