Guides
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The IN-14 Nixie tube
What the Soviet IN-14 Nixie tube is, how long it lasts in a clock, and how to replace one in about a minute without soldering.
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The IN-12 Nixie tube
The Soviet IN-12 Nixie tube — how it differs from the IN-14, how long it lasts, and how to replace one yourself.
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The IN-18 Nixie tube
The IN-18 is the largest Soviet Nixie tube. What makes it different, and what to know before buying one.
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The IV-18: a VFD tube, not a Nixie
The Soviet IV-18 is a vacuum fluorescent display, not a Nixie tube. How it works and why it glows green.
