Vintage ESPEY models 651 652, 653, 6511 and 6516. Superheterodyne 5 tube AM radio receiver. Original old Sams Photofact manual includes schematic, layout, alignment instructions, voltage & resistance test charts, repair parts list and description. Dated 1946. 4 pages. Espey Manufacturing Company, Inc. of New York City, NY. This manual would make a sensational accompaniment to your classic retro radio equipment.