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Additional Pictures 

 

The TMC0537A/TMC0538A SCOM Chips retrieved from an SR-56 calculator manufactured February 1976.

The TMC0537A/TMC0538A SCOM Chips retrieved from an SR-56 calculator manufactured May 1976.

The TMC0537A/TMC0538A SCOM Chips retrieved from an SR-56 calculator manufactured December 1976.

The TMC0537A SCOM Chip used in December 1975 for Quality Control Purposes.


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

Joerg Woerner, January 14, 2024. No reprints without written permission.