A fascinating series of videos about restoring an old computer from the 1950s.

[VK3ZYZ]

This is a great channel if you are interested in old tech.

Usagi Electric

Welcome to Usagi Electric! On this channel, we dive into old school technology, focusing heavily on vacuum tubes. My primary goal is to build computing circuits based off the legendary machines of yesteryear, only with a slight modern twist. All the tubes will be operating with very low...

www.youtube.com

I've been watching the Bendix G15 series...

Bendix G15 Vacuum Tube Computer

It's not often you get your hands on a genuine vacuum tube computer from the 50s, but someone gave me the chance, and I'm so glad they did. This thing is epic!

www.youtube.com

 

[VK3YNV]

I follow that guy as well, he has some good video's on DEC PDP's and of course his flagship computer the Centurion with the hawk drives.

His all valve home built computer is pretty good as well.