Basic Principles of Vacuum Tube Logic Circuits

[Chuck Guzis]

On 3 Sep 2008 at 20:32, William Blair wrote:

> If anyone knows of other documents on Bitsavers or elsewhere that
> contain quality stuff on the tubular logic topic, please let me know
> and I'll add excerpts from them. 

I remember when EBAM was a very hot topic and recall seeing a rack 
with several tubes at CDC ADL sometime around 1975.  Here's an 
article from IEEE COMPUTER magazine about the subject:

http://csdl2.computer.org/comp/mags/co/1975/02/01649340.pdf

(Caution:  BIG PDF FILE, about 8 MB)

Hey, it's logic, it's tubes!

Cheers,
Chuck