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Elmer Ambrose Sperry |
 | | More on Elmer Ambrose Sperry from Fact Monster: |
| | Elmer Ambrose Sperry - Elmer Ambrose Sperry Born: 1860 Birthplace: Cortland, N.Y. Gyroscopic compass—The gyroscope... |
| | The National Inventors Hall of Fame - The Inventors Hall of Fame, located in Akron, Ohio, was established in 1973 by the National Council... |
| www.factmonster.com /ce6/people/A0846253.html (130 words) |
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