DATAMATH  CALCULATOR  MUSEUM

Additional Pictures 

 

The sales box of a Spirit of '76 calculator sold around Winter 1975 in the US.



This Spirit of '76 was manufactured in October 1975 
by Texas Instruments in Lubbock, TX (Date code LTA 4375 wk 43 yr 1975).

The printed circuit board (PCB) of an early Spirit of '76
with just the TMS0952 single-chip calculator circuit.


horizontal rule

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

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