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The Arithmometer (1 ene 1820 año – 31 dic 1820 año)

Descripción:

The arithmometer was invented by Thomas de Colmar. It was the first mechanical calculator. It used rotating drum to perform calculations. This device kicked off the start of the mechanical calculator industry.

Añadido al timeline:

History of Calculators

BySophia Myong
26 oct 2019
0
0
260

fecha:

1 ene 1820 año
31 dic 1820 año
~ 12 months

Fotos:

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