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dec 1, 1639 - Первое механическое устройство сложения.
Description:
Структура описания этого устройства основана на идеях греческого математика Герона.
Added to timeline:
Развитие информационных технологий
By
Denis
19 Jan 2018
1
0
878
Date:
dec 1, 1639
Now
~ 384 years ago
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