DATAMATH CALCULATOR MUSEUM
WG&L incotax calculator was manufactured
in February 1981 by
Texas Instruments in Abilene, TX (Date code ATA 0581 » wk 05 yr 1981.
|The base calculator of
this WG&L incotax calculator is a
standard TI-58C manufactured in 1981.
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© Joerg Woerner, February 8, 2010. No reprints without written permission.