Vintage BLONDER TONGUE model BTU-1-(14-83) single channel UHF converter for TV television. Original old Sams Photofact manual includes schematic, layout, alignment instructions, voltage & resistance test chart, repair parts list. 4 pages. Dated 1954. Blonder-Tounge Laboratories, Inc., of Westfield, NJ. This manual would make a sensational accompaniment to your classic video TV equipment.