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1 янв 2000 г. до нашей эры - The Abacus

Описание:

This is hand operated mechanical calculator using beads on rods, first used by Sumerians and Egyptians around 2000 BC.

Добавлено на ленту времени:

The Calculator

ByMarshall
13 сен 2017

Дата:

1 янв 2000 г. до нашей эры
Сейчас
~ 4027 г назад

Изображения:

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