bn:00030419n
Noun Named Entity
Categories: Recipients of the Order of the Rising Sun, American mechanical engineers, 20th-century American engineers, Engineers from New York, Naval Consulting Board
EN
Sperry  Elmer Ambrose Sperry  Elmer A. Sperry  Elmer A Sperry  Elmer Sperry
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EN
Elmer Ambrose Sperry Sr. was an American inventor and entrepreneur, most famous for construction, 2 years after Herman Anschütz-Kaempfe, of the gyrocompass and as founder of the Sperry Gyroscope Company. Wikipedia
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