Vintage Radio Service Manual - AIRLINE model 74BR-2702B 9-tube. Superheterodyne AM FM radio receiver with  phonograph record changer combination.  Manufactured by Montgomery Ward & Company of Chicago, IL. 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.