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The Siemens & Halske Telegraph Construction Company was founded in Berlin in 1847 and in 1848 the first electrical long-distance telegraph line in Europe was constructed.  In 1866 Werner Siemens invented the dynamo machine which could generate electrical energy economically in large amounts.  By 1884 the Siemens cable ship "Faraday" had laid 6 transatlantic telegraph cables.  In 1926 Siemens installed the first set of automatically operated traffic lights on Berlin's Potsdamer Platz.  In 1939 an electron microscope developed at Siemens achieved a 30,000 times magnification.  In 1953 Siemens developed a zone refining method for the production of high-purity silicon.  In 1981 Siemens builds the first European 64-kbit memory chip.  In 1992 Siemens builds the world's fastest neurocomputer.  In 1999 Sivit, a computer without mouse or keyboard, is introduced.


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