Vintage RCA VICTOR models 6-X-5A, 6-X-5B and 6-X-5C (Ch. RC-1157) 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. This manual would make a sensational accompaniment to your classic radio equipment.