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indiorobot🎩
@indiorobot
Nixie Tubes invented by David Hagelbarger (1955)
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Seattledog🎩
@seattledog
these are so damn cool - then and now 23 $DEGEN
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RAMZAN TAJIK
@tajik691
Nice 🙂
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Robe
@robert-ryce
Vacuum tube 3rd generation
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RAMZAN TAJIK
@tajik691
Good
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