Vintage Radio Service Manual - OLYMPIC model 7-925 7-934 7-936 & 7-939 10-tube Superheterodyne AM FM radio receiver with phonograph record changer combination. Manufactured by Olympic Radio and Television, Inc., of Long Island City, NY. Dated 1948. 8 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.