Vintage Radio Service Manual - OLYMPIC model 7-724 8-tube Superheterodyne AM SW radio receiver with phonograph record changer combination. Manufactured by Olympic Radio and Television, Inc., of Long Island City, NY. Dated 1947. 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 phono equipment.