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Siemens, Karl Wilhelm Siemens, Sir Charles William Siemens | engineer who was a brother of Ernst Werner von Siemens and who moved to England (1823-1883 ) | |
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S, mho, siemens, reciprocal ohm | a unit of conductance equal to the reciprocal of an ohm | |
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Siemens, Ernst Werner von Siemens | German electrical engineer (1816-1892) |