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Additional Pictures 

 

This TI-1270 was manufactured in July 1976 
by Texas Instruments in Lubbock, TX (week 30 year 1976).

The printed circuit board (PCB) of the TI-1270
with just the TMS0974 single-chip calculator circuit.


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

Joerg Woerner, June 20, 2009. No reprints without written permission.