In 1991, Siemens acquired Nixdorf Computer AG and renamed it Siemens Nixdorf Informationssysteme AG, in order to produce personal computers. In 1987, Siemens reintegrated Kraftwerk Union, the unit overseeing nuclear power business. It was incorporated into Siemens' Energy and Automation division. In 1985 Siemens bought Allis-Chalmers' interest in the partnership company Siemens-Allis (formed 1978) which supplied electrical control equipment. Plessey's holdings were split, and Siemens took over the avionics, radar and traffic control businesses - as Siemens Plessey. In 1988 Siemens and GEC acquired the UK defence and technology company Plessey. The company's first digital telephone exchange was produced in 1980. In 1969, Siemens formed Kraftwerk Union with AEG by pooling their nuclear power businesses. In 1966, Siemens & Halske (S&H, founded in 1847), Siemens-Schuckertwerke (SSW, founded in 1903) and Siemens-Reiniger-Werke (SRW, founded in 1932) merged to form Siemens AG. In the 1950s and from their new base in Bavaria, S&H started to manufacture computers, semiconductor devices, washing machines, and pacemakers. World War II eraĪ 1973 Siemens electron microscope, Musée des Arts et Métiers, Paris The company is remembered for its desire to raise the wages of its under-paid workers only to be overruled by the Cumann na nGaedheal government.
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In the 1930s Siemens constructed the Ardnacrusha Hydro Power station on the River Shannon in the then Irish Free State, and it was a world first for its design. In 1932, Reiniger, Gebbert & Schall (Erlangen), Phönix AG (Rudolstadt) and Siemens-Reiniger-Veifa mbH (Berlin) merged to form the Siemens-Reiniger-Werke AG (SRW), the third of the so-called parent companies that merged in 1966 to form the present-day Siemens AG. A Japanese subsidiary was established in 1923.ĭuring the 1920s and 1930s, S&H started to manufacture radios, television sets, and electron microscopes. In 1919, S&H and two other companies jointly formed the Osram lightbulb company.
(see List of German companies by employees in 1907) In 1907 Siemens ( Siemens & Halske and Siemens-Schuckert) had 34,324 employees and was the seventh-largest company in the German empire by number of employees. Siemens & Halske (S&H) was incorporated in 1897, and then merged parts of its activities with Schuckert & Co., Nuremberg in 1903 to become Siemens-Schuckert. In 1890, the founder retired and left the company to his brother Carl and sons Arnold and Wilhelm. The company continued to grow and diversified into electric trains and light bulbs. In 1881, a Siemens AC Alternator driven by a watermill was used to power the world's first electric street lighting in the town of Godalming, United Kingdom. In 1867, Siemens completed the monumental Indo-European (Calcutta to London) telegraph line. In 1855, a company branch headed by another brother, Carl Heinrich von Siemens, opened in St Petersburg, Russia. In the 1850s, the company was involved in building long distance telegraph networks in Russia. In 1850 the founder's younger brother, Carl Wilhelm Siemens started to represent the company in London. In 1848, the company built the first long-distance telegraph line in Europe 500 km from Berlin to Frankfurt am Main. The company, then called Telegraphen-Bauanstalt von Siemens & Halske, opened its first workshop on October 12. Based on the telegraph, his invention used a needle to point to the sequence of letters, instead of using Morse code. Siemens & Halske was founded by Werner von Siemens on 12 October 1847.
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