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jan 1, 1845 - Снаряд для сложения и вычитания

Description:

Выдан патент на счетный прибор З.Я. Слонимского - суммирующую машину "Снаряд для сложения и вычитания", за которую автор получил Демидовскую премию.

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ByАлександра
5 months ago
1
0
60

Date:

jan 1, 1845
Now
~ 179 years ago

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