How to Pronounce Hippolyte Marié-Davy
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Apr 28, 1820 Clamecy, Bourgogne Franche Comté, France Died on 26 Jul 1893 (aged 73)
French chemist
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About Hippolyte Marié Davy
- Edme Hippolyte Marié-Davy (28 April 1820 – 26 July 1893) was a French chemist and inventor of the 19th century.
- He was born in Clamecy, Nièvre. In 1854, he invented the first naval periscope, consisting in a vertical tube with two small mirrors fixed at each end at 45°.
- He also invented a mercury bisulfate battery that bears his name, "the Marie-Davy".In 1854, Marié-Davy invented an electromagnetic motor.
- Based on it, he proposed a submarine with an electrically driven propeller.
- McClintock and Watson once planned to use the device on the Hunley.
- The engine was said to have the power of "a one-horse steam engine".In the 1860s, he was Deputy Director of the Paris Observatory, in charge of meteorology.
- He devoted himself to the study of local thunderstorms, following the destructive storm of 14 November 1854, in the Crimean War.
