DATAMATH CALCULATOR MUSEUM
This Pool Water Analysis calculator was manufactured
in April 1979 by
Texas Instruments in Abilene, TX (Date code ATA 1779» wk 17 yr 1979).
backside of the Pool Water Analysis calculator with the
battery and lid of the
Solid State Software Module compartment removed.
Pool Water Analysis module
with copyrights from 1979.
module we located
a standard TMC0540 with a
|The base calculator of
this Pool Water Analysis calculator is a
standard TI-58C manufactured in 1979.
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© Mark Bollman and Joerg Woerner, August 3, 2008. No reprints without written permission.