Schematics of Atanasoff-Berry Computer logic circuits?

Dave McGuire mcguire at
Tue Sep 2 11:33:22 CDT 2008

On Sep 2, 2008, at 12:27 PM, bfranchuk at wrote:
>>   Did all the tubes disappear or something?  LOTS AND LOTS of  
>> tubes were made during their heyday.  I know a few people who have  
>> hundreds, and in one case thousands of tubes, and I've got a few  
>> dozen myself.  Don't be paranoid, Ben. ;)
> Good ... send me a DOZEN AD1's to play with :)

   Well yeah, if you want to work with the super-rare ones.. ;)

> I know there are a lots of TV & Radio tubes around. Just find a  
> good IF transformer
> now days, let alone a Non-talk AM radio channel.

   IF transformers are easy to wind!


Dave McGuire
Port Charlotte, FL

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