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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 ...
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 ...
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1935: Presentation of the world's first tape device Magnetophon K1 based on work by Eduard Schüller at the Berlin Radio Show [chron 12] 1941: AEG bought Siemens & Halske shares in Telefunken and the company became a subsidiary. On 20 June 1915, founder Emil Rathenau died at age 77. [chron 13]
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 ...
Somali was attacked twice during live broadcasts by locals who were upset by his behavior He was struck in the face by a man during a livestream on October 24 and kicked by another during a ...