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The Siemens & Halske T52, also known as the Geheimschreiber [1] ("secret teleprinter"), or Schlüsselfernschreibmaschine (SFM), was a World War II German cipher machine and teleprinter produced by the electrical engineering firm Siemens & Halske. The instrument and its traffic were codenamed Sturgeon by British cryptanalysts.
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 ...
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 ...
In 1903 the competing radio companies AEG and Siemens & Halske merged, forming a joint subsidiary named Telefunken. [chron 7] In 1907 architect Peter Behrens became an artistic adviser. [chron 8] Responsible for the design of all products, advertising and architecture, he has since become considered as the world's first corporate designer ...
Georg Wilhelm von Siemens (30 July 1855, in Berlin – 14 October 1919, in Arosa, Switzerland) was a German telecommunications industrialist of the Siemens family. Known as Wilhelm von Siemens, he was the second son of Werner von Siemens by first wife Mathilde Drumann, and was a general partner of the family company Siemens.
Federal prosecutors have charged the founder of an education-technology startup spun out of Harvard who was recognized on a 2021 Forbes 30 Under 30 list with fraud. ... Smith-Griffin was arrested ...
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 ...