[QuadList] Weekend Puzzle Picture

[Don Norwood]

Dale:

I'll give you 50%, but not saying which half yet!  Somebody out there knows the whole answer!

Don
  ----- Original Message ----- 
  From: Dale Lamm 
  To: Don Norwood ; Quad List 
  Sent: Saturday, February 19, 2011 2:46 PM
  Subject: Re: [QuadList] Weekend Puzzle Picture


  Too easy. The Corning glass delay line says this is a DOC.

  Can't say if it's from the 3M add-on box or something that plugged into an Ampex tub.

  Hope my quick guess is at least 50% correct!

  Dale
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