Author:Ernst Werner von Siemens

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Ernst Werner von Siemens
(1816–1892)
German inventor and industrialist; known more comonly as Werner Siemens
Ernst Werner von Siemens

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Works by this author published before January 1, 1924 are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.