DATAMATH  CALCULATOR  MUSEUM

Additional Pictures 

 

The printed circuit board (PCB) of a Little Professor (1976 Version B) educational toy with its (mirrored) backside.

The printed circuit board (PCB) of the Clock Oscillator used with the Little Professor (1976 Version B) and its (mirrored) backside.


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

© Joerg Woerner, November 11, 2023. No reprints without written permission.