Ernst Werner von Siemens

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The Columbia Encyclopedia, Sixth Edition

Ernst Werner von Siemens

The Columbia Encyclopedia, Sixth Edition | 2008 | The Columbia Encyclopedia, Sixth Edition. Copyright 2008 Columbia University Press. (Hide copyright information) Copyright

Ernst Werner von Siemens , 1816-92, German electrical engineer and inventor. He was a founder and director of Siemens and Halske, a firm that made electrical apparatus. He was co-inventor of an electroplating process (1841), and alone developed an electric dynamo. He laid the first telegraph line and built the first electric railway in Germany and, with his brother Sir William Siemens, developed (1866) a widely used process of steelmaking. The Siemens unit of electrical conductance was proposed by him. In 1884 he founded a research laboratory at Charlottenburg.

Bibliography: See his Inventor and Entrepreneur (1892, tr. 1966) and his Scientific and Technical Papers (2 vol., tr. 1892-95).

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A Dictionary of Scientists | 1999 | © A Dictionary of Scientists 1999, originally published by Oxford University Press 1999. (Hide copyright information) Copyright

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