How does the compass read pictures?

How to read the compass is as follows.

From the appearance, the dial of the compass looks like a watch, which is round and has a very accurate scale. The south is at 180 degrees, the north is at 0 degrees, the east is at 90 degrees, and the west is at 270 degrees. By closing the magnetic induction line, the compass can point out the direction correctly.

When the compass is at rest, the red end points to the south, and then you slowly turn the compass until the white end completely coincides with the "South" displayed on the dial, and then the direction pointed by the compass is your actual geographical position.

Extended data:

Social reaction of compass.

The application of compass in navigation has greatly promoted the great geographical discovery and maritime trade. The invention of the compass originated from the study of how the ancient people in China oriented, and also showed that the ancient people attached importance to how to orient. Therefore, the compass is known as one of four great inventions of ancient china.

In ancient China, compasses were used for military and maritime activities, and also for geomantic omen theory. Later, it was introduced to Europe, which played an irreplaceable role in European navigation and geographical discovery. In the invention of navigation technology, compass is also the most important single invention.

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