Динамо электрическая машина. Вернер фон Сименс
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![Динамо-машина с лампой. (суть процесса) [энергия(?)]](https://sun9-25.userapi.com/xdP1aavsiE6gW2cRvcOqpbAAdhXfvqCNBH8PHw/3TL1a-jR4rg.jpg)
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