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Additional Pictures 

 

The DCM-50A Platform with the µPD277 single-chip calculator circuit from a MBO de Luxe III manufactured in May 1975.
Close-up view of the NEC µPD277 single-chip calculator circuit.

Close-up view of the view of the NEC LD8122 Vacuum Fluorescent Display (VFD).


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

© Joerg Woerner, November 29, 2024. No reprints without written permission.