Wu Zonglai's footsteps were hurried, and a wisp of beautiful hair was thrown outside.

He's almost 4o years old, and he can't be an Astral Warlock anymore, maybe never again. To say that the fourth-level star warlock came to Shaonan this time, he must be the happiest person, and he will not let go of any shouts about the star warlock.

Along with Wu Zong were his two little apprentices, it is said that Wu Zong's strength is not enough to be qualified to accept apprentices, but the star warlock is so lacking, most of them focus on improvement and research, some people are willing to teach apprentices, and the association will not be more serious.

When Lu Xu saw someone coming, he raised his eyelids and was still lying down. His politeness index is basically below a negative number, which is worse than that of a knight with status.

Cheng Jinzhou stood up and greeted him at the gate of the courtyard, lowered his voice and smiled: "Liu Kuangxing Warlock, they are studying their own things, and I invited you to come because I want to make something." ”

Wu Zong agreed again and again, peeking at the whiteboard where Liu Kuang and others worked, and his heart was about to overflow with satisfaction. Just like the scientists of later generations, for insiders, the research results of each other are open, and in the face of outsiders, they will be a little self-cherished. The apprentice of the star warlock is not an astral warlock, and his identity is similar to that of a graduate student.

On the side of the table that was cleaned up, there were all kinds of parts neatly placed, such as straight wood, pointers, weights, etc., which could be used directly, but such as the dial base tray, etc., needed to be transformed again, Cheng Jinzhou looked at Wu Zong with expectant eyes and said: "You can make a balance, right?" ”

"A little." Wu Zong blinked his eyes, and the astral warlock education he received could only be said to be reluctant.

"I'm going to trouble you. To process the material, we make a few balances with higher precision. Cheng Jinzhou said and took a blank piece of paper, dipped a quill pen in ink and wrote a balance formula, judging from his posture, it was difficult to imagine a 13-year-old boy, but everyone present had long been accustomed to his appearance, and only regarded it as a precocious genius.

Wu Zong saw the scale of Jinju in the process, and said with some unconfidence: "The best balance I have ever made, the accuracy is O.5." ”

Don't look at O.5 and O.1 are both decimal places, but the difference is far from being as simple as O.4, and the difficulty is naturally multiplied.

"Let's make it first, and then look at it, if you can achieve the accuracy of O.1, you can also take it back and use it." Cheng Jinzhou has always been very skillful in generosity to others.

An O.1 precision balance is not valuable to a star warlock of Wu Zong's status, but if he can make one by himself, the meaning is naturally different, Wu Zong nodded again and again, and reached out to pick up the straight wood and prepare.

The first balance, Cheng Jinzhou is not ready to interfere, first let Wu Zong do it and then see. The difference in star arrays makes each star warlock make things different, and the reason why it is difficult to make satisfactory accuracy on the physical balance is largely related to the changing star arrays - on the one hand, the star arrays speed up the production of items and reduce the difficulty, but on the other hand, they make the process design more complicated, and it is difficult for any design to adapt to such a complex star array, and the final result still requires the star warlocks to adjust and experiment themselves. On the contrary, when ordinary people make zuò items, because they can constantly improve the craftsmanship on the original basis, their excellent products have been able to compete with the star warlocks.

The superiority of the astral sorcerers in the making of items is mainly reflected in their knowledge and culture. Very few excellent craftsmen have received a complete cultural education, especially in mathematics and science, so in most cases, the craftsmen who make the items of the star warlock still know what they are, and the improvement of the level of the star warlock is also a very interesting place.

The apprentices of the two Star Warlock apprentices gave Wu Zong a hand, they were both sixteen or seventeen years old, but they did not have the disgusting appearance of the young men of the later generations, their faces were full of seriousness and caution, even if they were delivery tools, they also showed Xiàn's incomparable piety.

People's worship of astrology and yearning for astrology are unintentional in the two teenagers.

Wu Zong gently carved the straight wood with a carving knife, first to ensure that the weight (mass) of both sides is the same, if the balance requirements are very low, this is basically enough. However, if you want to improve its accuracy, the ideal state is to have the same mass at any two points of Naogi, which is almost impossible without the star array.

In addition, it is also necessary to take into account the problem of installing screws in the center and on both sides, similar to the positioning tools of later generations, before adding screws, it is necessary to carve out the lines in the straight wood, and it is conceivable that the balance of the straight wood is likely to be lost in the process. The weight of the screws will not be exactly the same, and a good star warlock will take all kinds of factors into account, and in a perfect case, they can even improve the accuracy a little, and those famous star warlock item makers have suitable star arrays.

After seeing Xiang Xin's star array, it was a little miserable to look at the way of Wu Zong. Although his methods were the same as Xiang Xin's day, and were all popular standard practices among star warlocks, Xiang Xin at least had a star array to use, and he could balance the ends of the straight wood with a single calcination, but the methods of the black column were no different from those of ordinary craftsmen - in terms of the ability to use knives, he was not as good as the latter's practice makes perfect.

On the other side of the table, two apprentices quickly joined in the process of making zuò trays. The tray is poured with a rubber-like substance on a wooden mold and allowed to cool down. The production of the mold is a little troublesome, the error caused by the difference in size or the different center of gravity will eventually accumulate together, and there are some skills in the preparation of the watering, impurities are inevitable, but it is best to be consistent. As complicated as it sounds, the pallet is the least important part of the process. In the normal use of a balance, it is common for people to put the same quality paper in trays on both sides to hold medicines, so that the accuracy error of the tray can be repaired.

Despite this, the apprentices still want to do their best to the best of their ability, and looking at their serious appearance, they know that they must be strict with themselves.

By about 1o o'clock in the evening, Wu Zong had finally completed a balance with an accuracy of o.7, and with a slight correction, it almost reached his best level.

It is such a scale, and it is likely to sell for more than 5o taels of silver in the Star Warlock Shop. Most of the time, they prefer to spend money to buy rather than make their own zuò, so the price of items that only astral warlocks can make is high, and once ordinary craftsmen master the trick, the price will drop rapidly. However, astral warlocks are also a profession that is very short of money, every real yàn they do, and even every star array they cast, they have to burn a large amount of money, if the money is not limited, an astral warlock can easily raise themselves by one or two levels, for anyone, this may be the goal of their life.

Judging from the appearance, the balance of the black vertical system can also be said to be very good, the straight wood after hand-polishing is shiny, the weights are delicate and accurate, and the most difficult to handle the game code is also extremely smooth, but in the view of Cheng Jinzhou, who has used more standard physical balances, in addition to the wooden material is very attractive, its use value is almost not existing, not to mention that it is used in the real room, that is, in weighing precious metals such as gold and silver, the error of o.7g can also kill people, which is the difference in the price of dozens of catties of grain. As for the analytical balances and electronic balances that are necessary in the real room of the 21st century, the O.1 precision balance is just a toy.

Such a balance is inferior to the precise scales in the hands of goldsmiths, and it is no wonder that the whole world of chemistry is incomparably slow—they still need too much preparation before exploding.

Wu Zong sat on the chair with a slightly red face, and said with a sneer: "I have learned a lot about land measurement, and I have no talent in item making, and it is difficult to get the relevant star arrays. ”

Buying a star array will either cost you association contribution points or spend money, usually the star warlock is more willing to choose the former, because the contribution point is not only a currency, but also represents your star warlock Cheng dù, representing the circle you can enter. Compared to the increase in the level of the Star Warlock, the value of money can easily be undervalued. The rarer the star array, the more contribution points are needed, Wu Zong is not a formal star warlock, he can only obtain the star array like ordinary people, and it is naturally difficult to get valuable.

Cheng Jinzhou nodded noncommittally, and he used a few weights to make a difference on the scale. He first used a ruler to draw lines on white paper to represent the beams, and then used angles to represent the deflection of the balance according to different weights, and it was very easy to find out the instability of the scale.

Wu Zong sat next to him and watched, his face became redder and redder, but his expression was more serious, there was rarely any opportunity for him to improve himself, for a 4o year-old middle-aged man, any understanding of astrology could be his last.

"The beams still have to be replaced with metal." Cheng Jinzhou glanced at Xiang Xin, who was drawing a whiteboard, and said: "Although the wooden beams are easy to carve, the wood is too uneven, and errors are almost unavoidable. ”

He also said the same thing to Xiang Xin.

Lu Xu had long been bored jumping to his feet, and after listening to half of it, he retorted to Cheng Jinzhou: "Where is the metal beam so easy to deal with, if it's me, it's just that, which of the three boys you called can carve on metal?" ”

Cheng Jinzhou ignored him and continued: "It's also a problem for the beams to be too long, and the longer the beams, the easier it is to be unbalanced......"

Lu Xu simply laughed and said, "I don't understand, the longer the beam of the scale, the more sensitive it becomes." ”

"Who did you listen to?" Cheng Jinzhou's face was full of surprise. For a long time in the 19th century, this sentence was circulated in the balance manufacturing industry, but I didn't expect that people in different worlds would have the same fallacies and legends.

Liu Kuang seemed to stop working on his whiteboard, turned his head and asked, "Jinzhou, do you have a different understanding?" ”

"The length of the beam has nothing to do with the sensitivity of the scale." Cheng Jinzhou's eyes widened, the ordinary physical balance is not difficult in theory, in the final analysis, it is a matter of process level. He has already shown excellence in the theory of scales, and it doesn't hurt to make a little more money on it.

"Oh, why?" Liu Kuang walked over with interest.

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