Traditional Culture Encyclopedia - Travel guide - What kinds of scales are there?
What kinds of scales are there?
The steelyard is a small scale with a wooden or metal rod with star points and taper as the main body, equipped with weights, ropes and scales (or scales). According to the scope of use and the size of the scale, it can be divided into shovel scale, pot scale and hook scale. The steelyard is an equal-arm lever and a simple weighing instrument based on the principle of lever balance. It consists of a wooden weighing beam with weighing stars, a metal weighing hammer and a hanging rope.
Electronic scales are widely used in our lives, whether we weigh ourselves or buy goods. There are many kinds of electronic scales, including desktop electronic scales and portable electronic scales, each of which has its own characteristics.
Extended data:
Two thousand years ago, our ancestors invented the wooden pole scale by using the lever principle. In the Tang Dynasty, money, cents, cents and other units all joined the scale. Seven points is one or two, seven points is one point. The scale has always followed the rule that 16 is one catty, which lasted for more than 1000 years.
After unified measurement, the nail scale industry appeared, Qin Shihuang. According to records, there were several nail scale stalls in Xitang in the late Qing Dynasty. At that time, the material selection of nail scale was rough, the manufacturing process of manual scale was simple, and the weighing accuracy was relatively low. During the Republic of China, it was changed to 16 binary, and after liberation, it was changed to 10 binary.
Especially after the 1960s, Xitang manual weighing shop won the praise of local people for its sincere craftsmanship and merchant style. Nail scales have been in line with international standards since the 1980s, with kilograms as the standard. The manufacturing process of wooden scales requires high precision, and many processes represent people's understanding of ancient degree measurement, which has certain preservation value.
With the development of the times, electronic scales became popular in the 1960s and 1970s, but manual scales still occupy a certain market because of their portability. Manual scales are suitable for some mobile vendors, and now the main buyers of manual scales are some small vendors in rural areas. With the development of tourism in Xitang, tourists buy more scales. Many people also buy hand-made scales when they move and get married to get a good impression. ? [2]?
Baidu Encyclopedia-Scale
- Related articles
- 20 19 Shanghai Museum Art Museum Pass Price+Attractions+Usage
- What are the famous attractions in Denmark?
- How to arrange the trip to Mohe?
- Introduction to the public *** channel of Beijing TV Station
- I want to go to Kota Kinabalu, Malaysia to play in the summer vacation. What are the necessary items for punching in?
- What do you mean by white tourism resources?
- Analysis on How to Buy Domestic Car Rental go on road trip Insurance
- The spectacular Saibei Forest Sea
- Write a composition with someone you admire.
- Are there any interesting places (tourist attractions) recently?