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Additional Pictures 

 

The DCM-50A Platform with the µPD275 single-chip calculator circuit from a Triumph-Adler 80C (EC21) manufactured in November 1974.
Close-up view of the NEC µPD275 single-chip calculator circuit.

Close-up view of the 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, June 3, 2025. No reprints without written permission.