Compass

The Compass has been a standard tool used for a couple millennia now, since approximately 206 BC with the introduction of the navigational compass. These devices help to show direction, for use in navigation either with or without the aid of a map. Pictured below is a standard, or magnetic compass, the same common type in use since way back when. They work by having a magnetized needle, connected to a post holding it in place above the directional markings. This differese The needle moves to align with the Earth's magnetic north, and south.