Archive of Collections



Details and Image



TypeModel No.MakerCountryConstruction
Material
DateScale LengthArea of Use
Qualitron / Calculator
Qualitron
USA
Plastic
1975
N/A
Four function Calculator

Notes: "The Qualitron 1442 is a 4-function calculator with memory and percent, from 1975 (just that one year), with a vacuum fluorescent green display. It is powered by 4 AA batteries. Qualitron was a California company that had itís calculators made in Taiwan. The original vinyl case and instructions were included."


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