Vintage STEELMAN model 3RP6 combination 4 tube Superheterodyne AM radio receiver with 3-speed record player phonograph.  Original old Sams Photofact manual includes schematic, layout, alignment instructions, voltage & resistance test chart, repair parts list and description. 4 pages. Dated 1956. Steelman Phono and Radio Corp., of Mt. Vernon, NY. This manual would make a sensational accompaniment to your classic radio phono equipment.