How do you see the direction of the compass, and how do you see the direction of the compass?

Use the compass to distinguish the direction should first determine the compass needle color represents the direction, follow the magnetic needle red part of the north point, the specific content is as follows:

1. Determine the compass pointer color to represent the direction. Generally speaking, a better quality compass comes in two colors.

2. The color of the magnetic needle is the same as the color of the straight line at the bottom, which is the north. Then lay the compass flat so that the hands can rotate freely.

3. Rotate the shell of the compass to make the pointing point to the scale in the north-south direction, and also maintain the scale in the north-south direction in the following process.

4. Make your eyes, the center of the compass, and the direction you want to look at on the compass scale into a straight line. Stack the magnetic needle on a straight line, because the bottom is red, and the red part of the magnetic needle refers to the north.

Notes:

1. Place the instrument not near ferromagnetic materials. so as not to lose magnetism.

2. Do not use the surveying ruler to hit the object, so as not to affect the measurement accuracy.

3. Do not twist the reflector, so as not to affect the aiming and reading of the remarks, the surface should be kept smooth, do not use dirty cloth, hands to rub.

4. When the instrument is not in use, it should be turned off and put in the box, taking care not to collide.

Encyclopedia - Compass

By looking at the direction indicated by the pointer.

The dial of the compass generally has N, S, W, and E signs, which represent the four directions of north, south, west and east, respectively, and some will also mark NE, NW, SE and SW, representing the four directions of northeast, northwest, southeast and southwest. Place the compass horizontally, and after turning in a circle, the direction the red fish end of the pointer points in the actual direction. The compass was called Sinan in ancient times, and its main component was a magnetic needle mounted on an axis, which could identify the direction under the action of the natural geomagnetic field.

The invention of the compass that physically indicates the direction has three types of components, namely the sinan, the compass and the magnetic needle, which are commonly used in navigation, geodesy, travel and military aspects. As one of the four great inventions of ancient China, the compass plays an important role in the development of human science and technology and civilization, and was first used in sacrifice, ritual, military and divination.

In appearance, the compass has a very precise scale, south is at 180 degrees, north is at 0 degrees, east is 90 degrees, and west is 270 degrees, by closing the magnetic lines.

The compass can point the right direction.

When the compass is stationary, the red end points to south, and then slowly rotates the compass until the white end coincides with the "south" shown on the dial scale.

How the compass works

The compass makes use of the resulting closed magnetic inductance lines, allowing it to accurately point out the orientation during use. If the compass is of good quality, a liquid will be injected into the compass dial, which will slow down the swing speed of the needle and allow it to point the direction quickly. The compass is generally white with a pointing south and a red pointing north.

When using the compass, the first thing is to set the compass, to place the compass unevenly, after the compass hand is stationary, the red section points to the geographical direction of south, and then slowly rotate the compass until the white end coincides with the scale south on the compass dial, and the direction indicated by the compass dial is the actual geographical direction.

The direction of the compass is north-south. Generally, the north end will be marked with a striking color, and some compasses will be marked with the south.

The compass, called Sinan in ancient times, is mainly composed of a magnetic needle mounted on an axis, the magnetic needle can rotate freely under the action of the natural geomagnetic field and remain in the tangent direction of the magnetic meridian, the south pole of the magnetic needle points to the geographical south pole (magnetic field North Pole), and the direction can be discerned by using this performance.

As one of the four great inventions of ancient China, the invention of the compass has played an immeasurable role in the development of human science and technology and civilization. In ancient China, the compass was first used for rituals, ceremonies, military affairs, divination and feng shui to determine directions.

The compass opened the world market

The application of the compass in navigation has greatly promoted the great geographical discoveries and the sea**. The invention of the compass originated from the study of how to orient the problem in ancient China, and it also shows that the ancients attached great importance to the problem of how to orient, for which the compass is known as one of the four great inventions of ancient China.

The ancient Chinese used the compass for military and navigational activities, and was also used for Kanyushu, and later introduced to Europe, where it played an irreplaceable and important role in European navigation activities and geographical discoveries. Among the inventions of nautical technology, the compass is also the single most important invention.