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may 9, 1834 - Б.С.Якоби
Description:
Б. С. Якоби построил один из первых практических электромоторов постоянного тока – электродвигатель с вращающимся рабочим валом.
Added to timeline:
Phisics scale
By
Сергей Антонов
12 Sep 2019
0
0
572
Date:
may 9, 1834
Now
~ 192 years ago
Images:
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