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Siemens & Halske

Siemens is a German manufacturer of electronics equipment. It is currently Europe's largest engineering conglomerate with headquarters in Berlin, Munich and Erlangen (Germany). Siemens was founded in 1847 by Werner von Siemens as Telegraphen-Bauanstalt von Siemens & Halske.

Before and during WWII, Siemens built equipment for the German Department of Defense (DoD), such as the famous T-52 Geheimschreiber. After WWII, Siemens produced cipher machines for NATO and its allies, some of which were developed in cooperation with Philips and Hagelin.

Currrent Siemens logo. Copyright Siemens AG.

Over the years, the Siemens logo changed a number of times. The one shown at the top is the 1935 design, featuring a merged 'S' and 'H' in a circle. It was derived from the 1899 version that had no circle. In 1936, the circle was abandoned again and the word SIEMENS was written in red under the logo. In 1973, the logo was dropped in favor of the written version of 'SIEMENS'. In recent years, the word SIEMENS was replaced by a more modern typeface, as shown above.

Siemens equipment on this website
Siemens encryption equipment Siemens communication receivers Siemens transmitters and transceivers Siemens & Halske teletypewriters (Fernschreibers)
  1. Siemens History
    Retrieved January 2018.

  2. Siemens Historical Institute
    Retrieved January 2018.
Further information
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Crypto Museum. Created: Thursday 24 May 2012. Last changed: Monday, 15 January 2018 - 17:30 CET.
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