This item is in good condition. It does power on and I can see the glow of the tube. Nice for display or TV Prop. Being sold "AS IS". Measures Approximately 9" wide x 7" high x 7" deep History and Features: For model UHF Converter TV-101, Mallory P.R. Co.; Indianapolis Country: United States of America (USA) Manufacturer / Brand: Mallory P.R. Co.; Indianapolis Year: 1952 Category: Pre-stage (adaptor for SW/FM/VHF/UHF incl. built-in), Frequency converter Valves / Tubes 2: 6AF4 6CB6 Semiconductors (the count is only for transistors) Selenium-Rectifier 1N72 or. 1N82 Main principle Super-Heterodyne (Super in general) Wave bands Wave Bands given in the notes. Details Power type and voltage Alternating Current supply (AC) / 117 Volt Loudspeaker - - No sound reproduction output. Power out from Radiomusuem Model: UHF Converter TV-101 - Mallory P.R. Co.; Material Bakelite case Shape Tablemodel, Mantel/Midget/Compact up to 14" width, but not a Portable (See power data. Sometimes with handle but for mains only). Notes With germanium or silicon point contact diode as UHF mixer. This converter has classic styling and it was one of the very first UHF converters. It was a very popular model. Converts US-UHF Channals 14-83 into US-VHF Channel 5 or 6, uses the Mallory Inductuner, OEM Production with Type/Brands: Arvin 3000, Alliance AC-80, Sylvania C33M, CBS-Columbia, Silvertone 6950 (Sears, Roebuck Co.), Sparton, Mall-Ex, Crosley DU-UHFP, Sutco 23A. In the same year under the same Type a 2 Tubes only chassis was manufactured! The later circuit also uses the 6AF4 oscillator and 1N72 or 1N82 mixer, followed by a 6CB6 IF amp, with a selenium rectifier stack for high voltage.