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Curta Calculators - Handheld Calculators (1 janv. 1945 – 31 déc. 1945)

Description:

The Curta calculator was invented by Thomas de Colamar. He started this idea in 1938, but finally came out with his invention in 1945. This is a portable calculator- easy to carry around; it resembles the shape of a pepper grinder.

Ajouté au bande de temps:

History of Calculators

BySophia Myong
26 oct. 2019
0
0
259

Date:

1 janv. 1945
31 déc. 1945
~ 12 months

Les images:

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