DATAMATH  CALCULATOR  MUSEUM

Additional Pictures 

 

This TI-1500 was manufactured in May 1975 by
Texas Instruments (Date code 225 » wk 22 yr 1975.
The printed circuit board (PCB) of the TI-1500 with the
solder-type rechargeable batteries and the LED-stick.


horizontal rule

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

© Joerg Woerner, November 30, 2009. No reprints without written permission.