What kinds of geomantic compass are there (compass and geomantic compass)

1, the most accurate geomantic compass in China.

2. The most advanced geomantic compass.

3. China Feng Shui Compass.

4. What are the Feng Shui compasses?

1. compass: also known as compass.

2. One of four great inventions of ancient china.

3. Compass was first used in navigation, and then in geomantic geography. There are many kinds and genres of compasses, and the materials are divided into high, medium and low grades.

4. First, the compass surface: it was originally hand-painted, but modern compass surfaces are mostly brass plates. Good compasses are made of 5% and 4% copper plates, middle and low grade ones are made of 1.2% copper plates, and some are made of aluminum plates and cardboard.

5. Square board material: divided into high-grade medium density board, bakelite, resin, plastic, ordinary fiberboard, gypsum and wood.

6. It is best to waterproof the high-grade medium density board.

7. Advantages: the compass is light in weight, convenient to carry, flexible to rotate, and does not deform or burst.

8. Disadvantages: I am afraid of soaking in water for a long time, because it is handmade, with fine technology, small output and slightly higher price.

9. The second is bakelite production.

10. Advantages: semi-mechanized production, low cost, low price and flexible rotation.

1 1. Disadvantages: the compass is heavy and inconvenient to carry, and poor quality bakelite will deform or even burst.

12. Resin production, semi-mechanized production, high output and low price.

13. Mostly for beginners to learn, or to ward off evil spirits as decoration.

14. Disadvantages: the compass is heavy, easy to burst and deform, and it will be smashed when landing.