Compass, History, Uses & Types
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Compass, in navigation or surveying, the primary device for direction-finding on the surface of the Earth. Compasses may operate on magnetic or gyroscopic principles or by determining the direction of the Sun or a star. The oldest and most familiar type of compass is the magnetic compass, which is
Points of the compass - Wikipedia
Compass, History, Uses & Types
Compass - Wikipedia
What is the History of Compass?
Excerpt from A Practical Manual of the Compass This book, prepared at the Naval Observatory and Naval Academy, is designed to become the service
A Practical Manual of the Compass: A Short Treatise on the Errors of the Magnetic Compass, With the Methods Employed in the U. S. Navy for
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History of the compass - Wikipedia
History of the compass - Wikipedia