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12 Nov 1673 Jahr - Stepped Reckoner

Beschreibung:

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

Zugefügt zum Band der Zeit:

Computers

ByJulien Martel

30 Nov 2018

0

0

298

Datum:

12 Nov 1673 Jahr

Jetzt

~ 351 years ago

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