NaCl In A Cathode Ray Tube

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A sample of iodine free NaCl which is inside a home made cathode ray tube run at 20kV. It's run cold cathode
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How did you seal the anode through the glass? What type of vacuum pump(s) are you using?

jacobb
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x ray 😂😂😂😂 get out with disharging danger

eadge
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