Vintage AIRCASTLE models 5010, 5011 and 5012 6 tube Superheterodyne AM SW radio receiver. Original old Sams Photofact manual includes schematic, layout, alignment instructions, voltage & resistance test chart, repair parts list and description. 4 pages. Dated 1947. Spiegel Inc. of Chicago, IL. This manual would make a sensational accompaniment to your classic retro radio equipment.