Vintage Radio Service Manual - GENERAL ELECTRIC model 280 Battery Operated, 5-tube, 2-band, Superheterdyne AM SW radio receiver. Manufactured by General Electric Company, of Bridgeport, CT. Dated 1947. 4 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.