I find Vacuum tubes beautiful on so many levels. Whenever I repair a old device, I cringe when I put the cover back on. I always say to myself, I'm going to e

I find Vacuum tubes beautiful on so many levels. Whenever I repair a old device, I cringe when I put the cover back on. I always say to myself, I'm going to encase the old radio, or vibrograph (watch timing machine) in clear plastic, but I'm always just too lazy.