Vintage Radio Service Manual - EDWARDS model Fidelotuner 5-tube FM radio tuner. Manufactured by Edwards F-M Radio Corp., of New York, NY. Dated 1948. 6 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.