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<p></p> <p><b>New page</b></p><div>{{Short description|Swiss railroad company (c. 1890–1992)}}<br /> &#039;&#039;&#039;Integra Signum&#039;&#039;&#039; was a [[Aktiengesellschaft|publicly traded]] [[Switzerland|Swiss]] company active in [[Train protection system|train control]] and signaling systems. Its main achievement was the development of the train control system [[Integra-Signum]], which was subsequently adopted by the [[Swiss Federal Railways]] in 1933. In addition, many Swiss railway stations were (and continue to be) equipped with the company&#039;s signal boxes from the Domino 55, Domino 67, or Domino 69 series. Headquartered in [[Wallisellen]], the company existed from the late 19th century until January 1, 1992, when it was acquired by [[Siemens]]. Siemens renamed the company to Siemens Integra Verkehrstechnik. It is now a division of [[Siemens Mobility]].<br /> <br /> ==References==<br /> * [http://w1.siemens.ch/ch/de/cc/siemens/historie/unternehmen/Pages/das_unternehmen.aspx History of Siemens (Schweiz) AG (in German)]<br /> * [http://www.integra-square.ch/html/index.php?id=29 History of the company&#039;s location in Wallisellen (in German)]<br /> <br /> ==Further reading==<br /> * [http://www.ihc.co.in Railway signaling company in India started by Integra Signum]<br /> * [http://www.ivt.ethz.ch/oev/eisenbahn Examples of Domino 69 signal boxes developed by Integra Signum]<br /> <br /> [[Category:Defunct companies of Switzerland]]<br /> [[Category:Railway companies of Switzerland]]</div>

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