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| Biographical notes | |||
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| Chron. biographical | |||
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| Documents | |||
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| Bibliography | |||
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Sir John Ambrose Fleming |
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Lancaster
29.November.1849- Sidmouth (Devonshire) 18.April.1945
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| 1904 Diode | ||||
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Electrical engineer has
invented the first valve called thermionic diode. Scientific
Advisory of the Society of Telegraph wireless, Marconi.
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