The glow tube was left over from the invention of the former Soviet Union in the 1950s and has long been discontinued. There is a cathode with a digital shape of anode metal mesh inside. From the side, it can be seen that there are many layers of coils in the tube, which can be simply understood as a bulb with 10 layers of filament. When electrified by rare gas, it will emit beautiful orange light, which is full of historical retro feeling;
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People have the urge to buy
Niubi
Two thousand yuan, seems to be a luxury
Cool!
Good job!
There are many applications of this retro element abroad.