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Energy laboratories vacuum variable capacitor
This is an Energy Laboratories vacuum variable capacitor. The only markings on the capacitor are the Energy Lab name. The capacitor measures 250-10pf in app. 20 turns. I do not know the voltage rating, but considering te size 7.5 to 10kv is a reasonable estimate. The capacitor has 1/4" shaft, six thread mounting holes in both the front abd rear flanges. The capacitor is 3" in diameter at the widest and 7" long.
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