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In 1837 the British inventors Sir William Fothergill Cooke and Sir Charles Wheatstone obtained a patent on a telegraph system that employed six wires and actuated five needle pointers attached to five galvanoscopes at the receiver.
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The first commercially practical generators of electrical current were developed in the 1870s
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Alexander Graham Bell invented the telephone in 1876.
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Swan first publicly demonstrated his incandescent carbon lamp at a lecture for the Newcastle upon Tyne Chemical Society on 18 December 1878.
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Thomas Edison invented his first high-resistance, incandescent electric light.
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The first electric railway was installed in Berlin in 1879.
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In 1881, Britain opened the first public power station in Europe.
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In 1901, Guglielmo Marconi sent the first radio waves across the Atlantic Ocean.
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By 1910, the first hydroelectric power stations and coal-fired steam generating plants enabled districts to be tied into a single power distribution system.