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Additional Pictures 

 

The sales box of the MBO ALPHA 902 sold around 1982 in Germany.
 
This MBO ALPHA 902 calculator was manufactured in 1982 in Japan.

The printed circuit board (PCB) of the MBO ALPHA 902
hides the manufacturer of its single-chip calculator circuit.

The PCB sports a prominent logo of its contract manufacturer - SANSYU.


horizontal rule

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

Joerg Woerner, June 17, 2017. No reprints without written permission.