Vintage Radio Service Manual - GENERAL ELECTRIC model 502 14-tube multi-band AM FM SW radio receiver with record changer phonograph combination. Manufactured by General Electric Company, of Bridgeport, CT. Dated 1948. 14 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.