3 ms·

Lookmumnocomputer did some nice work for thismuseumisnotobsolete with flip displays. See on YouTube or visit in person

• grishka 6mo ago
  If you're into electromechanical machines, he also has a working telephone exchange and a bunch of videos where he restores its various components and explains how it works (I still don't quite understand how it works though). That's the original reason I subscribed to his channel, but his wild musical contraptions are also cool.