1823
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Carl Wilhelm Siemens
1883
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Paul Héroult
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November 19
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Joule
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Centrifugal governor
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Charles Wheatstone
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List of inventors
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Timeline of historic inventions
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Low-temperature technology timeline
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Timeline of temperature and pressure measurement technology
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Siemens (surname)
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Werner von Siemens
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Submarine communications cable
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Sir William Siemens
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William Siemens
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