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Casio 121K Desktop Calculator
Image Courtesy Nigel Tout
Casio desktop Nixie-Tube display Calculator. 12-Digit, four-function with
constant and accumulating total register. Circa late 1970, uses early
Fairchild 4-chip LSI calculator chipset. AC-Powered.
See the WANTED page for the stablemate to this calculator, the
Casio 161K.
Click HERE
to see Nigel Tout's great exhibit on the Casio 121K.