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Additional Pictures 

 

This TI-1250 was manufactured in June 1977 
by Texas Instruments in Hong Kong (week 25 year 1977).

The printed circuit board (PCB) of the later TI-1250
with just the TMS0972 single-chip calculator circuit.


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

© Joerg Woerner, November 26, 2008. No reprints without written permission.