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Additional Pictures 

 

The DCM-50A Platform with the TMR 012 single-chip calculator circuit from an Interton PC 2008 (Version 1) manufactured in January 1973.
Close-up view of the General Instrument TMR 012 single-chip calculator circuit.

Close-up view of the Bowmar 9-digit Optostik LED Module.



 


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

© Joerg Woerner, November 14, 2025. No reprints without written permission.