Question

Who Invented Periscope?​

Answer 1

Answer:

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Explanation:

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. Sir Howard Grubb perfected the device in World War I.

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Answer 2

jules carpentier is discovered the periscope