Vintage AIRLINE models GSE-1620A, GSE-1621A and GSE-1622A  5 tube Superheterodyne AM radio receiver.  Original old Sams Photofact manual includes schematic, layout, alignment instructions, voltage & resistance test chart, repair parts list and description. 4 pages. Dated 1956. Montgomery Ward & Company of Chicago, IL.  This manual would make a sensational accompaniment to your classic radio equipment.