to make a digital clock? I havan't actually counted, but it apparently takes quite a few: Vacuum tube digital clock

The site is in German, but it has plenty of impressive pictures, like this one:

I wouldn't be suprised, if it would take even MORE transistors to make that "clock".

I suspect, that the reason they used vacume tubes, was for their superior time keeping abilities

Are you using ENIAC to browse the web?

Tells the time AND heats your bedroom.

You'll only smack snooze ONCE, though.

Bren R.