deaths
Elmer Ambrose Sperry, American inventor, co-invented the gyrocompass (born 1860)
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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)