Gyrocompass
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A gyrocompass or Gyrocompassing 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
Cutaway of an Anschütz gyrocompass
A gyrocompass repeater
The 1889 Dumoulin-Krebs gyroscope
Elmer Ambrose Sperry
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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 Co
Gyrocompass
…location at all times regardless of the vessel’s motion, the weather and the amount of steel used in the construction of the ship. In the United States, Elmer Ambrose Sperry produced a workable gyrocompass system (1908: U.S. patent 1,242,065), and founded the Sperry Gyroscope Company. The unit was adopted by the U.S. Navy…
Elmer Ambrose Sperry
Sperry's stabilizing gyroscope installed in the USS Henderson
Aircraft gyrocompass built by Sperry
Elmer Ambrose Sperry demonstrating the operation of a searchlight