This is my first test with high voltage in a vacuum. The vacuum is 25 " HG. The power source is an old ignition transformer from an oil burner. The voltage should be some where around 10kvac.
I did not take tim to properly anneal the tube while building it. There is a leak somewhere. After testing the tube for about 30 seconds it over heated and developed a large crack near one of the electrodes. The tube has served its purpose as i am still learning to work with glass.
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