Vintage ZENITH models X514V, X514W, X519F, X519G, X519R and X519W (Ch. 5X06 and 5X07) 5 tube Superheterodyne AM radio receiver with electric clock. 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.