biography
| name: |
Wheatstone, Sir Charles
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| sex:
| male
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| lived:
| (1802–75)
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| biography:
| Physicist, born in Gloucester, Gloucestershire, SWC England, UK. He became professor of experimental philosophy at London (1834), known for his experiments in sound. He invented the concertina (1829), took out a patent for an electric telegraph (1837), explained the principle of the stereoscope (1838), and invented a sound magnifier for which he introduced the term microphone. Wheatstone's bridge, a device for the comparison of electrical resistances, was brought to notice (though not invented) by him. He was knighted in 1868. |
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