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Additional Pictures 

 

The DCM-50A Platform with the TMC0907NL/ZA0379 single-chip calculator circuit from a WIZ-A-TRON manufactured in December 1978.
Close-up view of the TMC0907NL single-chip calculator circuit.

Close-up view of the DIS713 Light-Emitting-Diode (LED) display module using the DIS233G PCB.


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

© Joerg Woerner, November 19, 2023. No reprints without written permission.