Vintage SPARTAN chassis models CR-712EC and CR-712FC externally powered 8-tube AM-FM Tuner. Original old Sams Photofact manual includes includes schematic, parts layout, alignment instructions, dial cord stringing, voltage & resistance test chart, repair parts list and description. 8 pages. Dated 11-1957. Manufactured by Magnavox Company, of Fort Wayne, IN. This manual would make a sensational accompaniment to your retro radio equipment.