Elmer ambrose sperry
volume
British pronunciation/ˈɛlməɹ ˈambɹəʊz spˈɛɹi/
American pronunciation/ˈɛlmɚɹ ˈæmbɹoʊz spˈɛɹi/

"elmer ambrose sperry"の定義と意味

Elmer ambrose sperry
01

United States engineer and inventor of the gyrocompass (1860-1930)

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