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Siemens & Halske AG (or Siemens-Halske) was a German electrical engineering company that later became part of Siemens. It was founded on 12 October 1847 as Telegraphen-Bauanstalt von Siemens & Halske by Werner von Siemens and Johann Georg Halske .
In 1847 Halske founded the Siemens & Halske Telegraph Construction Company together with Werner von Siemens. [1] Halske was particularly involved in the construction and design of electrical equipment such as the press which enabled wires to be insulated with a seamless coat of gutta-percha , the pointer telegraph and the morse telegraph and ...
Werner von Siemens, co-founder of Siemens & Halske. Siemens & Halske was founded by Werner von Siemens and Johann Georg Halske on 1 October 1847. Based on the telegraph, their invention used a needle to point to the sequence of letters, instead of using Morse code. The company, then called Telegraphen-Bauanstalt von Siemens & Halske, opened its ...
After completing his studies, he worked at Fein in Stuttgart and from 1883 he worked at Siemens & Halske in Berlin.The company sent Kessler to Tokyo in 1887 as an electrical engineer, there he built up Siemens' East Asia and Japanese business and as general representative of the subsidiary "Siemens & Halske, Japan Agency" which was founded in 1893. [1]
He was the eldest son of Arnold von Siemens who himself was the eldest son of Werner von Siemens, the famous inventor and founder of Siemens & Halske, later to become the present-day Siemens AG. Hermann's mother Ellen, née von Helmholtz, was a daughter of Werner's close friend Hermann von Helmholtz, after whom his grandson was named. He was ...
The locality emerged when the company Siemens & Halske (S & H), one of the predecessors of today's Siemens, bought land in the area, in order to expand production of S & H and their subsidiary Siemens-Schuckertwerke (SSW) as well. On the initiative of Georg Wilhelm von Siemens, S & H started to build new factories in 1899. Soon also residential ...
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After the merging of Siemens-Schuckertwerke with Siemens & Halske AG he was a member of the board of directors of Siemens AG. In 1971 he was appointed CEO. When he was succeeded by Karlheinz Kaske in 1981, Plettner became the first chairman of the supervisory board not to be a member of the Siemens family. He resigned in 1988.