Vintage AIRCASTLE models 652.6T1E and 652.6T1V 6 tube Superheterodyne AM radio receiver. Original old Sams Photofact manual includes schematic, layout, alignment instructions, voltage & resistance test chart, repair parts list. 4 pages. Dated 1953. Spiegel Inc. of Chicago, IL. This manual would make a sensational accompaniment to your classic radio equipment.