very neat classic computer book comparison

[Jay West]

Someone sent me this link...

http://davidguy.brinkster.net/computer/

It is an online scan of the book "How it works - the computer", circa 1971. 
Very mini-computer oriented. What's even better, is they scanned both a 1971 
and 1979 edition of the same book, so you can see how they revised it based 
on advances in technology.

I thought it was neat in any case :) Some of the pictures are true porn for 
mini collectors :)

Jay West