If you ever wondered what the inside of a Caltrain driver’s cab looks like, I have something for you!pic.twitter.com/1vmtyUPu66
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"Punch" 
I feel like I could explain it, but that would just ruin things!
Here’s a Facit calculator with Nixie tube digits.pic.twitter.com/aSoKbYTEQN
I tried to make it say “idiot” in Polish (upside down), to… somewhat limited success.pic.twitter.com/lHzxVC9vyf
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