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Additional Pictures 

 

The DCM-50A Platform with the REGENCY 501-374 marked TMS1116NL single-chip calculator circuit from an ACT-T16k Radio Scanner manufactured in September 1977.
Close-up view of the TMS1116NL single-chip calculator circuit.

Close-up view of the National Semiconductor NSA576 Light-Emitting-Diode (LED) display module.


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

© Joerg Woerner, September 4, 2023. No reprints without written permission.