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Additional Pictures 

 

The DCM-50A Platform with the TMS0851NC single-chip calculator circuit from a Sovrin Model 128 manufactured in May 1975.

Close-up view of the TMS0851NL single-chip calculator circuit.



Close-up view of the Futaba 9-ST-12 Vacuum Fluorescent Display (VFD).




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

© Joerg Woerner, September 14, 2024. No reprints without written permission.