births
Elmer Ambrose Sperry, American engineer and businessman, co-invented the gyrocompass (died 1930)
Related Wikipedia articles
Elmer Ambrose Sperry
American industrialist
Elmer Ambrose Sperry Sr. was an American inventor and entrepreneur, most famous for construction, two years after Hermann Anschütz-Kaempfe, of the gyrocompass and as founder of the Sperry Gyroscope Company. He was known as the "father of modern navigation technology".Source: Wikipedia (CC BY-SA)
Gyrocompass
Type of non-magnetic compass based on the rotation of the Earth
A gyrocompass is a type of non-magnetic compass which is based on a fast-spinning disc and the rotation of the Earth to find geographical direction automatically. A gyrocompass makes use of one of the seven fundamental ways to determine the heading of a vehicle. A gyroscope is…Source: Wikipedia (CC BY-SA)