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If you spend 17 minutes doing anything today (or tomorrow), and the boss isn't looking, make it watching this amazingly skilled craftsman make his own thermionic triode vacuum tubes from scratch.
I have seen this. I thought he would make a more interesting device than that radio.
Well, yes, reaction-tuned radios are a bit old hat. If I had his facilities I would make more interesting stuff; Crookes tubes... something a bit more dangerous than French a.m. radio...