Compass, History, Uses & Types

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

Galileo's compass - History of an invention

Compass, History, Uses & Types

History of the compass - Wikipedia

Compass - Ages of Exploration

The History of the Compass - Dalvey

How to Use A Compass: Fundamentals of Orienteering

Navigating Through Time: The History of the Compass

True north and magnetic north: what's the difference?

Smith College Museum of Ancient Inventions: Compass