I have just built a new tube computer reusing the 6N3P vacuum tubes from this, an earlier system and have built a new website at

TheTubeComputer.com

The new Tube Computer is a more robust design with a few bells and whistles, including a more competent IO system.

One really odd thing is that The Tube Computer’s outline is slightly humanoid. I keep checking is has not walked out of the room!

So, if you have the time, please go to TheTubeComputer.com

Kind regards Mike