Vintage SILVERTONE models 4056 and 4057 (Ch. 132.026-6) 6 tube combination Superheterodyne AM radio with 3-speed 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 1954. Sears, Roebuck & Company of Chicago, IL. This manual would make a sensational accompaniment to your classic radio equipment.