Sponsored Links Elmer Ambrose Sperry Complete Dating History Add new Post Sponsored Links Elmer Ambrose Sperry wiki Login to Edit Bio: Inventor of the gyrocompass who made navigation through land, water, and air much less risky. He moved to Chicago to open the Sperry Electric Company after graduating from Cornell. Date of Birth: 12 Oct, 1860Zodiac Sign: LibraPlace of Birth: New YorkDied: 70 years agoDate of Death: 16 Jun, 1930Profession: Entrepreneur Show more bio data > Elmer Ambrose Sperry Latest Videos
