Who invented Periscope? and in which year ?
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Who invented Periscope? and in which year ?
Hippolyte Marié-Davy
In 1854, Hippolyte Marié-Davy invented the first naval periscope, consisting of a vertical tube with two small mirrors fixed at each end at 45°. Simon Lake used periscopes in his submarines in 1902.
Khadijah21
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Answer:
hipolyte marie- Davy
Explanation:
in yrs 1854
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