33
/ru/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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Steady development of mechanical calculators -size reduction, electronic motor drive, and other added features 1900-1975 (12 янв 1900 г. – 29 янв 1975 г.)
Добавлено на ленту времени:
Calculator
By
Floofypanda
15 сен 2017
0
0
663
Дата:
12 янв 1900 г.
29 янв 1975 г.
~ 75 years
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