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Curta I and Curta II These outstanding small pocket calculators were produced almost unmodified from 1948 to ca. 1971. I want it!

Curta I and Curta II These outstanding small pocket calculators were produced almost unmodified from 1948 to ca. 1971. I want it!

Curta Calculator, a mechanical calculator that pre-dated the popularization of the transistor. This example was produced in 1953.

Curta Calculator, a mechanical calculator that pre-dated the popularization of the transistor. This example was produced in 1953.

Curta calculator, a marvelous contraption by any standards.

Curta calculator, a marvelous contraption by any standards.

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