Schematics of Atanasoff-Berry Computer logic circuits?

[bfranchuk at jetnet.ab.ca]

Gordon JC Pearce wrote:
>
> They're still being made, mostly in the former USSR.  After Mullard 
> stopped producing valves in the 1980s, a company in the USSR bought 
> the whole lot up and shipped it across.  If you buy a Sovtek ECC83 or 
> EL34, it's exactly like an old Mullard one.
>
I buy 6B4G's,5889's,6BQ7A's and throw in a 12DW7 and a 0B2 for good 
measure. :)
> Gordon
>
And plenty of Big Iron ... Oh wait you want puter big iron.