The most important thing is to obtain data after opening and tempering again and again.

Hao Fenglou asked the blacksmiths to develop a habit of recording after practicing a furnace of iron. The roughly the temperature of this time, the wind power, how much time it has been melted, the color of the iron, and the amount of coke added, all need to be recorded by experienced craftsmen, and then continue to correct the steel based on the quality of the steel being refined to improve.

In fact, in terms of innovation, the Celestial Empire was definitely a perfect match. Whether it was the four major inventions, steelmaking alone had already been made, and these methods did not appear until after the Industrial Revolution in the West. Even the Japanese swords that the Japanese were proud of were derived from Tang swords. However, although they were innovations, they did not carry forward and instead stood firm. The most important reason, Hao Fenglou summarized them. In fact, to put it bluntly, there is no scientific method. How to use new technologies to make good steel requires constant thinking and continuous correction. The more coke and the appropriate temperature of the furnace, the less deviation, the result may be different.

At this time, a book has been closely recorded countless materials. Hao Fenglou encourages everyone to discuss and teach each other's experience. Of course, some people actually want to hide their personalities. However, Hao Fenglou directly divided the blacksmith into two groups and told them that between the two groups, they compare the quality of the steel they refined every month. Which group is good and the wages will double in the future. If there is no woman, find a way to find a woman for you. If there is a woman, you will take your woman in advance.

So no one dared to hide his own secrets. After daily cooking, they gathered together to analyze and discuss various data, and the steel produced was obviously much better than before.

In addition, Hao Fenglou also encourages them to add other minerals to conduct experiments when iron is released. Some minerals can increase the hardness of iron. Hao Fenglou does not have much chemical knowledge, so he can only rely on these people to explore everything.

Many people think that when they travel back, the protagonist always does it himself, as if he masters physics and chemistry, he will be invincible. But Hao Fenglou is not like this, because he is half-baked. The only thing he can do is to cultivate the spirit of craftsmen's seriousness and science after appropriate improvement. Only by finding a method can we make continuous progress. Just like later scientific researchers, they may not innovate with something at the moment of inspiration, but use various materials for comparison and experiments. Just as Edison invented a light bulb, it is not because of his extreme intelligence, but because of his perseverance. In order to extend the life of the light bulb, he used iron wire, steel wire, silver wire, and gold wire to conduct experiments repeatedly and record data. Finally, he found the tungsten wire and completed a world-wide innovation.

The lesson from this is to invent and create. It is not about the apple hitting the head. To put it bluntly, it is actually this kind of scientific literacy and the spirit of constantly trying. Of course. More importantly, you have to have silver. Only when you have silver can you send a pot of iron ore and coke into the stove, and the result is a furnace of scrap iron and steel.

Hao Fenglou found that he was actually very poor. This was indeed a bottomless pit. If it weren't for Donghuamen, he would probably have planned to live in the thatched hut here for the rest of his life.

After half a month of continuous attempts, the craftsmen gradually mastered the rules. The steel refined not only used the coke iron crafting method to greatly reduce costs and greatly improve the output, but also made leap forward in the quality of the steel.

After completing this step, every progress and every change in strength and resilience will be extremely difficult, but Hao Fenglou is still encouraging the craftsmen to continue thinking.

At this time, Zheng He came.

"Senior Brother."

The senior brother screamed very enthusiastically, which made people feel embarrassed.

Hao Fenglou's current image is not very decent. He is a little darker and his clothes are a little dirty. When Zheng He saw him, he just smiled bitterly.

Hao Fenglou led him to his residence and invited him to tea, saying, "It's harder here. I wonder if my junior brother is here, but is there any verbal order from His Majesty?"

Zheng He said: "Your Majesty asked me to see my senior brother and I would like to ask about the progress here."

"The progress is pretty good. Go back and report to Your Majesty, please be relieved."

Zheng He hesitated for a moment and said, "There is one thing I want to talk to my senior brother." After that, he first brought out some news in the capital and said, "In another half a month, it is time to compete for swords and swords. Many people are ready to fight. This matter was originally a competition between the senior brother and the Japanese. Who knew that it has become a battle between the prince and the Han King. It is said that the prince and the Han King are now secretly working hard, and Your Majesty has been paying attention, as if he is unhappy."

The sons took advantage of any opportunity and were willing to beat him up. If it were Hao Fenglou, he would probably be unhappy. Although there is nothing wrong with the emperor's mind, developing a balance policy can be considered an innovative mechanism, but although Zhu Di is the emperor and his father.

Hao Fenglou sighed and said, "The King of Han has really healed and forgot the pain. What's the matter with the prince?"

Zheng He smiled: "When I went to see the master, the master said, if this continues, something might happen. I asked me to remind you that the King of Han has always been conceited. At that time, the argument in front of the palace will occur. There is no need for senior brother to get involved. Some things will be let go of their own."

Hao Fenglou said: "I understand."

After saying something to Zheng He, Zheng He talked about some secrets in the palace recently and lowered his voice: "The Queen's body is a little uncomfortable recently, so Your Majesty is not in a good mood. There is also Concubine Zhang, do you know that Concubine Zhang has to be on guard. She goes to the Queen's place to ask about her well-being every day, but she is afraid she is not very thoughtful."

Speaking of the matter in the palace, Zheng He was very careful, and Hao Fenglou listened carefully. He said almost. Zheng He looked at Hao Fenglou deeply and said, "Your Majesty respects Senior Brother very much. I am also honored as Junior Brother. I have no relatives in this world. Senior Brother and Master are my closest relatives. If there is any movement in the harem, I will convey the message to you. I have a trustworthy person named Wang An. If he comes to find you, there must be an urgent matter. You must pay attention to it."

How could Hao Fenglou be a little moved? His relatives said it. What else can Hao Fenglou say? There is no way to pay. Hao Fenglou immediately pulled out a stack of treasure money from his sleeve. Although the treasure money depreciated quickly, it was more convenient. Hao Fenglou would carry some at any time and stuff it directly into Zheng He's hand and said, "Junior brother, the family doesn't speak two words. Take this little money for tea. We are close relatives..."

Zheng He's face turned red and he waved his hand quickly. Hao Fenglou said sincerely: "My dear, how can you teach you to endure hardship? Senior brother has nothing else, but he has a lot of money. This is not bribing you, to avoid you from enduring hardships in the palace and thinking about it."

Hao Fenglou's heart is bleeding. He hates feelings and other things the most. He has to pay for it when it comes to feelings, and he can't live this life.

In the end, Zheng He accepted it, only half of it, and then returned to the palace to deliver the mission.

Hao Fenglou pondered it for a while, but he could feel Zhu Di's impatient mentality towards iron smelting. It seemed that His Majesty was anxious and was really anxious to show his national prestige. It seemed that these Japanese people really made Zhu Di angry.

It has a great relationship, so I haven't said anything, so I will continue to smel iron.

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In the blink of an eye, April was coming, and the weather gradually became hotter. The city of Nanjing has been relatively calm recently and nothing major happened. It was just that when the summer was coming, the flood situation was tense, and the water level of riverbeds in all places was reported. On the court, the bachelors and Hanlin people drafted the tickets on their behalf and ordered them to pay attention to the water level at any time and not make any mistakes.

This kind of thing is almost a necessary task for the court, and it is talked about every year, but the current water situation depends on the sky. Once it rains heavily in a certain place, all imperial edicts and mansions are fake. Once the flood rushes, there will be thousands of houses and hundreds of casualties.

Of course, there is no need to worry about the long-standing problems, but today is the day when envoys from various countries, princes and nobles come to the palace to meet.

Early in the morning, many royal families wearing python clothes were waiting outside the Meridian Gate. When the palace gate opened, everyone entered one after another, hundreds of people set out towards Fengtian Hall.

Zhu Di also got up early. He was in a good spirit. Although he felt a little worried, the expectation was higher.

According to the rules, after the sword was held, he arrived early and sat high on the imperial chair. The princes and envoys and nobles bowed one after another, shouting long live.

Zhu Di comforted the case and smiled and said, "You don't have to be polite. Today I invite you to come. It's just a lively and lively. Many people came to Beijing a few years ago. I have never been able to find time to summon him. There is a saying that goes, right, I'm so negligent, I hope everyone can forgive me."

Everyone laughed together. Of course, this smile was just a simple smile, just a smile. It was just a smile. The Emperor's joke, you can't help but smile, but you can't laugh too much.

Of course, there are also people who have been tense, such as the Japanese envoy Ashikaga Yoshi. He always held his face from beginning to end, as if others had owed him money, and at this time he was thinking about what he was thinking.

However, Prince Zhu Gaochi looked at Ashikaga Yoshi from time to time, and smiled at the corner of his mouth, as if he was looking forward to something.

Zhu Di cheered up and said, "They have made merits, royal families, and envoys today. Let's congratulate you together. What is this? This is loyalty. I am very happy. Since I have come, I will just accompany you to have fun. This is called having fun alone rather than having fun."

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Chapter completed!