Vintage Radio Service Manual - DELCO Model R-1251 & R-1252  15 tube, 5 band, AM-FM-SW Superheterdyne Radio Phonograph combination. Manufactured by General Motors Corp., of Kokomo, IN.  Dated 1947. 11 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 vintage audio equipment.