I found an incandescent filament-style numeric display tube (Numitron) called the "IV-9" that I bought a long time ago, sleeping in the back of my desk. Thinking, "If I don't touch it now, it might ...
It happened when I was tidying up my desk drawer because I couldn't find something I was looking for. I found a small glass tube that I had bought a long time ago and forgotten about. I only had a ...
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