![File:5651RegulatorTubeInOperation.jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/f/fc/5651RegulatorTubeInOperation.jpg/440px-5651RegulatorTubeInOperation.jpg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:37, 14 January 2011 | ![]() | 1,068 × 1,456 (195 KB) | VA7IS | {{Information |Description={{en|1=Photo of a 5651 regulator tube in operation in an old piece of electronic equipment}} |Source=own |Author=VA7IS |Date=2011-01-14 |Permission= |other_versions= }} |
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