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Additional Pictures 

 

This TI-1250 Version 3 was manufactured in December 1976 by
Texas Instruments in Lubbock, TX (Date code 4976 LTA week 49 year 1976).

The TI-1250 Version 3 manufactured in December 1976 in Lubbock, TX
with the front part of its housing removed.

The printed circuit board (PCB) Type 3 of the featured TI-1250
is centered around a TMS0972 single-chip calculator circuit.

Close-up view of the TMS0972 packaged in a
28-pin DIP (Dual In-line Package).


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

Joerg Woerner, June 28, 2021. No reprints without written permission.