Vintage GILFILLAN model 68-48 Superheterodyne AM radio receiver with phonograph record player and  wire recorder.  Original old Sams Photofact manual includes schematic, layouts, alignment info, adjustments, voltage & resistance charts, repair parts list.  8 pages. Dated 1949.  Gilfillan Bros Inc of Los Angeles, CA.  This manual would make a sensational accompaniment to your vintage audio equipment.