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12 nov 1673 anni - Stepped Reckoner

Descrizione:

Leibnitz invented it. Never built.
Basic calculator
Basic arithmatic.
A machine tho

Aggiunto al nastro di tempo:

Computers

ByJulien Martel

30 nov 2018

0

0

356

Data:

12 nov 1673 anni

Adesso

~ 352 years ago

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