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1 янв 1642 г. - The First Calculator

Описание:

The first "adding machine" was made in France in 1642
http://www.ideafinder.com/history/inventions/handcalculator.htm

Добавлено на ленту времени:

Дата:

1 янв 1642 г.
Сейчас
~ 382 г назад