Zhu Zhanji nodded with a smile and said: "Originally, it was not easy to polish, but now with this machine tool, it has become much easier." This thing is made by the deputy of the horse, and listen to his explanation. ”

Ma Zhicai was a little excited and couldn't say anything, and arched his hand to everyone and said: "I can make this thing in Xia, thanks to His Highness's guidance, without His Highness's whimsy, I can't think of it here." ”

Song Li stroked his beard and said with a smile: "I never thought that my Ministry of Industry still had such a talent, but let His Highness pick up the cheap." ”

Zhu Zhanji laughed and said: "Deputy Ma is still subordinate to the Ministry of Industry, and Song Shangshu is wrong. What's more, it is also for the sake of the Ming Dynasty, but there is no need to care which department it belongs to, as long as the Ministry of Industry needs it, Deputy Ma can return to the Ministry of Industry at any time to serve. ”

The Chinese said this, but no one dared to really rob the person that Taisun valued, and everyone praised this Zhu Zhanji's insight into talents, and he was polite for a while before he came to see Ma Zhicai perform and polish for everyone.

Let a strong guard pedal the pedal, and the clamp at one end of the machine quickly turns, and the clamp at the other end clamps a grinding stone and sticks through the round hole in the middle.

Ma Zhicai adjusted the angle, and gently pulled the pendulum, and the grinding stone grinded sparks on the iron ring, and made a harsh grinding sound, but the naked eye could see that the steel ring was ground out of a groove.

As for the groove of the inner ring, it is even simpler, only need to change a clamp clamped from the inside, and a groove is directly ground from the outside.

However, because the grinding stone wears out quickly, it is necessary to adjust the angle at any time, which requires rich experience.

In any case, this is much faster than a person taking a file and filing it, and it can be directly formed.

Now the most troublesome thing is the grinding of steel balls, which is really not solved by a good process.

Today's steel balls, most of the time, melted molten iron or molten steel, are blown into the air with water and then fall into the water to solidify directly, so that iron balls of different sizes can be formed, and then polished and quenched.

The water drain is an automatic blower in ancient times, which uses water power to automatically compress the air, send the air into the iron smelting furnace, increase the furnace temperature, and melt the molten iron.

Zhu Zhanji had never known about this tool before, but after coming to the Ming Dynasty, he knew that there was such an advanced blower in the Western Han Dynasty.

However, the size of the iron balls produced in this way is different, and it is difficult to select the suitable steel balls.

Therefore, there is another way, one is to pour the mold, that is, to make a circle with a clay fan, and then pour molten iron into it. The other is to cut it with a wire rod and polish it a little bit, which requires countless hours and manpower.

After watching Ma Zhicai's demonstration, and seeing with his own eyes that two people, one person pulls, and one person pushes can pull a thirty-stone ox cart, they no longer have a little doubt about the role of bearings.

Wu Zhong looked at this machine tool and asked, "Can Your Highness allow the Ministry of Industry to prevent this machine tool and then promote it to the world?" ”

Zhu Zhanji nodded and said, "Of course you can, but I have one condition." ”

"Your Highness, please make it clear."

"Every time the Ministry of Industry makes such a machine tool, it must pay a patent fee of 1500 percent of the cost of the machine tool to my Machinery Research Institute."

The cost of a machine tool is about fifty taels of silver, and the main cost is the cost of steel and the polishing of gears. Zhu Zhanji asked for a 5 percent patent fee, which is equivalent to only two and a half taels of silver. This bit of money is dispensable to him, but this system, he wants to establish from now on.

Everyone was dumbfounded, looking at Zhu Zhanji speechless. Although this money is not much, it makes no sense that they do things for Daming, which is equivalent to doing things for the Zhu family, and they have to give Zhu Zhanji money.

Moreover, Zhu Zhanji proposed a patent fee, which was also incomprehensible to everyone.

Song Li asked softly, "Your Highness, what is the patent fee?" ”

Zhu Zhanji said with a smile: "This is not a place for conversation, we might as well move to the academy and let me invite you to explain while drinking tea." ”

When he said this, of course everyone had no opinion, and was taken into an empty classroom by Zhu Zhanji.

Those young soldiers who had no class, including Ma Zhide, also gathered outside the classroom, wanting to hear what Zhu Zhanji, the grandson, would say to the adults.

Ma Di was the most anxious at this time, if it weren't for his mother and sister by his side, he would probably be the first to run over.

But now that his shirt is being pulled by his sister, he feels most sorry for this sister, and he can't bear to leave her alone.

"Good sister, Your Highness rarely teaches, and every time you teach, you can make me empowered. Besides, there are so many adults here today, so let me hear what they are saying. ”

"Then my brother will tell me when he hears it......"

"Definitely, definitely, I have to tell you a lot of things about the grandson, you will become the noble person of the concubine in the future!"

Ma Xin was embarrassed and turned around to be coquettish with her mother. "Mother, my brother laughed at me ......"

Mrs. Ma sighed and said: "In the future, you must also have rules, when you enter the royal family, you can't do anything by temperament!" ”

A classroom can accommodate forty people, and there are less than twenty Ministry officials here today, who occupy the front row, and half of them are empty in the back.

A few bold young soldiers slipped into the classroom, and Zhu Zhanji, who was sitting in front of the podium, didn't care, and after a while, they crowded the seats in the back.

But they also knew what was important, everyone was standing, and none of them dared to sit down.

After the chamberlain served them all hot tea, Zhu Zhanji also picked up the cup in front of him and took a sip before he spoke: "Today, I am gathered with all the important ministers of the country, and there is only one question I want to discuss with you. That is why I have been in China for thousands of years, why in addition to the Spring and Autumn Period, there were all kinds of new inventions, and then more than a thousand years, but the situation has deteriorated, this thousand years, why has our use of tools progressed so slowly, and even regressed? During the Qin Emperor's time, they were already able to build the Qin Straight Road with new technology, but today, we can't build it?

The reason why people are different from animals and livestock is because we know etiquette, know integrity, and most importantly, we can use tools. Humans have learned to forge since the time of the Three Emperors and Five Emperors, but to this day, we are still using the technology of thousands of years ago. While it is true that the methods of utilization have improved, in essence, there has been no major change. What caused this to happen? ”

Everyone knew that this was Zhu Zhanji's introduction, so everyone showed a thoughtful expression, but no one answered.

Zhu Zhanji said: "Before Emperor Qin, we learned to forge gold and silver, forge bronze, and learn to make iron. But over the past thousand years, have we really made progress? Why was it that 1,500 years ago, Li Bing was able to build Dujiangyan, but today, the floods of the Yellow River and the Huai River are still raging? ”

"From words to doctrines, what we are learning now is still from that era, is it possible that these 1,500 years of people are more stupid than the ancients? No, I never thought that every person who came after him was equivalent to standing on the shoulders of those who came before him, but what caused all this? ”

Zhu Zhanji took a deep breath, adjusted his breath and said: "Since I was a child, I like to read books in the scripture library, and I can't put it down even more when my imperial grandfather edits the Yongle Canon. When I read those books, I always admired the wisdom of the ancients, but also doubted the development of the current pool of stagnant water. If I want to change all this, I have to find an answer. Today, gathered with you, I only hope to be able to say some of my shallow opinions, and I hope you can not blame the boy for being shallow in learning, smiling and generous, please be elegant. ”

The eldest Song Li stood up and said: "Learning without thinking is reckless, Your Highness can have such a truth-seeking heart, it is really a blessing of the Ming Dynasty and the blessing of the world." ”

Zhu Zhanji returned the salute and said: "Song Shangshu has a good reputation, the kid is stubborn, and he has never heard of the sutra feast since last year. ”

Song Li said with a smile: "His Royal Highness Taisun has not yet left the pavilion, so it doesn't matter if you don't participate in this feast." Good thinking is sensitive, and it is enough for His Highness to have a heart of knowledge. ”

This is not complete flattery, because although Song Li heard some rumors that Taisun Xiaozu did not honor his father and did not like Confucianism.

But whether it is Hu Guang or Xie Jin, the evaluation of Taisun has always been very high, and no matter when, he has never said that Taisun is not bad at all.

If Taisun really doesn't like Confucianism, I'm afraid these two will be out of the way a long time ago.

Coming to see the grandson today, although he obeyed the emperor's will and cooperated with the grandson's plan, he did have a temptation.

But they didn't expect that at the beginning, Taisun gave them such a big shock.

Being able to talk about the past and the present is not something that ordinary students can do. If you can't accumulate thick and thin, you will inevitably make a fool of yourself in front of them.

But Taisun's opening remarks, although they are indeed a little white, but the meaning of the words is complete, the meaning is clear, and the topic is thought-provoking, which is not something that ordinary students can do.

He looked at his colleagues, all of whom were all beaming and listening to their conversation. Seeing that no one wanted to speak, Song Li said again: "The interpretation of the word patent has provoked the grandson to sigh so emotionally, please forgive the old minister for being sloppy, please let someone bring a pen and paper, and the old minister can arrange for his subordinates to write down the words of the grandson." ”

Zhu Zhanji had nothing to do, and with a look, Li Liang immediately arranged for several internal supervisors to bring paper and pencils. In addition to preparing four sets of pen, ink, paper, and inkstones for them. There are also four internal supervisors who are accustomed to cooperating here, ready to write down Zhu Zhanji's words.

After they wrote down what they had just said, Zhu Zhanji said again: "Since you are curious, I will explain it first. The so-called patent, understood purely in the literal sense, is an exclusive right and interest. If you want to explain this clearly, you still need to fully understand the topic I just talked about, so I will explain this at the end. First, I would like to share some of my brief thoughts on the question I just raised. ”