Close encounters of the CADR kind

[Alfred M. Szmidt]

       > The closest to a picture of a CADR that I have seen 

   The picture posted earlier of the machine in the MIT Archives:

     http://questier.com/Photos/200907_USA/20090731-150406_USA_Massachusetts_MIT_Museum_CADR_LISP_Machine.jpg

   is _definitely_ a CADR.

How do you figure that?