Vintage Radio Service Manual - SILVERTONE model 7070 (Chassis No. 101.817) 5-tube Superheterodyne AM radio receiver with phonograph record player combination. Manufactured by Sears, Roebuck & Company, of Chicago, IL. Dated 1947. 4 pages. Original old Sams Photofact manual includes schematic, layout, alignment instructions, voltage & resistance test chart, repair parts list and description. This manual would make a sensational accompaniment to your retro audio equipment.