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Additional Pictures 

 

The backside of the Little Professor. This particular model was
manufactured end of 1976 in Lubbock, TX (week 42 year 1976). 

The backside of the Little Professor. This particular model was
manufactured end of 1977 in Midland, TX (week 50 year 1977). 

The PCB of an early Little Professor.
This one was produced end of 1976.

The printed circuit board (PCB) of the late production models
of the Little Professor make use of a small housing for the IC.


If you have additions to the above article please email: joerg@datamath.org.

Joerg Woerner, October 2, 2002. No reprints without written permission.