Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Ernst Werner von Siemens was a German inventor and industrialist. Siemens' name has been adopted as the SI unit of electrical conductance, the siemens. He was also the founder of the electrical and telecommunications company Siemens.

Данное издание не является оригинальным. Книга печатается по технологии принт-он-деманд после получения заказа.