The n of the compass is as follows:
The N of the compass represents north. Generally speaking, the N (North) of the compass represents north, the E (East) represents the east, the S (South) represents the south, and the W (West) represents the west. The compass is one of the four great inventions in ancient my country. Its invention played an immeasurable role in the development of human science, technology and civilization. In ancient China, the compass was first used to determine directions in sacrifices, etiquette, military affairs, divination and Feng Shui.
Characteristics of compasses:
Generally speaking, the appearance of today's compasses is somewhat similar to that of mechanical watches, with round pointer plates. Generally speaking, there is a graduated pointer dial. 0 degrees is N, which is north, 90 degrees is W east, 180 degrees is S south, and 270 degrees is E west. How to use compass? Generally speaking, when using a compass, place it flat in the palm of your hand and let it rotate freely.
After the compass rotates smoothly, then hold the compass and spin it in a circle until the red pointer coincides with the needle. At this time, the directions of southeast, northwest and northwest pointed by the compass are correct.