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20 nov 1674 anni - Stepped Reckoner

Descrizione:

Gottfried Wilhelm Leibniz creates mechanical calculator that can add, subtract, multiply, & divide.

Aggiunto al nastro di tempo:

Calculator TIme

ByPiston Phantom

10 ott 2018

0

0

370

Data:

20 nov 1674 anni

Adesso

~ 351 years ago

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