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Additional Pictures 

 

The DCM-50A Platform with the TMS0121NC single-chip calculator circuit from a Olympia CD101 manufactured in August 1973.

Close-up view of the TMS0121NC single-chip calculator circuit.



Close-up view of the Futaba SP8D2 and DG8R Vacuum Fluorescent Displays (VFDs).


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

Joerg Woerner, April 14, 2024. No reprints without written permission.