From: tlake@twcny.rr.com   
      
   I'm looking for an old article from Popular Electronics   
   from around 1971-72 or so.  It used an SN74181 4-bit ALU   
   to create a small logic trainer.  If anyone has the article   
   they can copy for me or knows what issue it was in so I can   
   find it myself, I'd be very grateful!   
      
   TIA   
   Tom Lake   
      
   --- SoupGate-Win32 v1.05   
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