Vintage TRAV-LER models 51808 and 51808M 4 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 1954. TravLer Radio & Television Corp. of Chicago, IL. This manual would make a sensational accompaniment to your classic radio equipment.