Seeing Chen Yuan coming, Ma Jun hurried forward to greet him.

Before Ma Jun was found by Chen Yuan, his life was a bit shabby.

You must know that in this era, inventors and scientists are not taken seriously.

In addition, Ma Jun has a stuttering problem, so he is even more looked down upon.

Although Ma Jun is very smart and has strong hands-on ability, he has shown extraordinary mechanical talent at a young age, but this has not brought him too much.

However, one thing is that Ma Jun seems to be the heir of the Mohist school.

Of course, this was all Chen Yuan's guess.

Ma Jun has never said that he is the heir of Mohism.

However, Ma Jun was very grateful to Chen Yuan.

Because Chen Yuan freed Ma Jun from his embarrassing life and gave him his dignity back, and suggested that Liu Bei let him be the head of the craftsman department.

Therefore, Ma Jun saw Chen Yuan coming.

Immediately put down the way of life in his hand to meet Chen Yuan. Before Ma Jun could speak, Chen Yuan waved his hand, indicating that Ma Jun didn't need to say hello.

Ma Jun's stuttering is born, and it is not so easy to correct.

Therefore, under normal circumstances, Chen Yuan can make him talk less and talk less, let's correct it slowly.

Chen Yuan said directly to Ma Jun: "Deheng, this is Xu Xian, Mr. Xu Junfang. He will be your colleague in the future. Now I have a task to teach you to do."

Ma Jun glanced at Xu Xian, nodded, but did not speak.

Chen Yuan directly began to arrange tasks, and asked the craftsman to start collecting a large amount of saltpeter, charcoal, and sulfur.

These things are also available in the Craftsman Division, but they are just routine reserves, not many.

Chen Yuan asked Ma Jun to bring a small amount of saltpeter, charcoal and sulfur, and then began to refine and blend black powder with Xu Xian.

Fortunately, this step is not too difficult. It is rare for Chen Yuan to exchange the knowledge of black powder from the system.

In fact, Chen Yuan had the idea of ​​exchanging the knowledge of black powder.

However, looking at the number of points needed, it was too much for him to bear, so let's forget it.

At most, it would take a little effort and time to study it with Xu Xian.

It didn't take a few days for Chen Yuan and Xu Xian to mix black gunpowder. As for the effect, we still have to experiment.

The amount is not very large, that is, two or three kilograms.

Chen Yuan asked someone to make an introduction.

The introduction is actually not difficult to make, just mix some gunpowder with cotton rope.

However, no one would have thought of these things before.

After all, gunpowder is not common, let alone fuses.

Fortunately, Chen Yuan still knew a little bit, so he made it without any effort.

Find an open place, put the two or three kilograms of gunpowder in an iron can with only air holes, and then stretch the lead wire a few meters away.

For today's experiment, Chen Yuan specially called Liu Bei and some important officials from Jingzhou over.

Of course, these important ministers have all been tested by Liu Bei and Chen Yuan, and they already belong to Jingzhou's absolute hardcore.

After all, gunpowder is so powerful that it will overturn the entire world.

So not many people came, only Liu Bei, Gu Yong, Xi Zhicai, Guan Yu, Zhang Fei, Dian Wei, and Zhou Tai were there, and Chen Yuan didn't shout for the others.

It's not that he doesn't trust other people, the main reason is that other people, unlike these people, whose interests are only tied together, will never do anything to betray Jingzhou.

Although other people would not betray Jingzhou under normal circumstances, there are still some other passes after all.

The heart cannot be tested.

Therefore, Chen Yuan didn't shout at all.

Seeing Chen Yuan's solemnity, Liu Bei couldn't help but look serious.

Zhang Fei was different. The current Zhang Fei was still relatively young, and he was not the third master Zhang who had grown up to be a qualified military commander later on. He looked curiously at those people busy in the arena.

He leaned in front of Chen Yuan: "Fourth brother, tell me, third brother, this thing is really as powerful as you said, and the destructive power produced by a few kilograms of things can rival the masters of the fourth and fifth ranks? Why don't I believe it so much. "

Chen Yuan glanced at Zhang Fei, and suddenly smiled: "Third brother, how about we make a bet?"

Zhang Fei's eyes lit up when he heard that Chen Yuan was going to gamble with him.

To be honest, Zhang Fei is still a bit of a gambler, completely different from Guan Yu.

Guan Yu is completely calm and scary. Looking at Chunqiu, he already has a feeling that everything is not lingering in his heart.

"Okay, what will fourth brother want to bet with me?"

Chen Yuan thought for a while: "Three, I heard that you got a good inkstone recently, it's called Longwei Ice Inkstone, why don't we bet on this."

When Zhang Fei heard it, he yelled, "Well, you Chen Zichu, you miss my Dragon Tail Ice Inkstone, no, absolutely no."

Zhang Fei may not be considered a general, but this guy can write well.

This shows that Zhang Fei is actually both civil and military.

It was only after Chen Yuan became sworn brothers with Zhang Fei that he found out that although Zhang Fei liked to dance with guns and clubs when he was young, he had to learn from a famous teacher and taught him his skills.

But his father did not give up on his cultural education, he read a lot of books, especially his handwriting is the best choice.

Among the four, Zhang Fei may be the best when it comes to writing.

This guy Chen Yuan doesn't count, he's cheating.

Zhang Fei not only likes calligraphy, but also likes painting.

His paintings of beauties are really good, like everyone else.

Therefore, Zhang Fei naturally likes to collect some inkstones, especially the Longwei Ice Inkstone he got recently.

The stone is tough, moist and dense, with beautiful texture, touching it like muscle, grinding it with a sharp edge, leaving a brush in astringent water, slipping and not rejecting ink, ink is small and easy to dry, and it is clean when washed.

There is a clear and clear metal sound when knocking, the water storage does not consume, the cold does not freeze, the breath can be studied, the ink is like oil, does not hurt the hair, the carving is fine, simple and generous.

The most amazing thing is that this inkstone is not only shaped like a dragon's tail, but after the ink is applied, there will be ink bones like ice flowers appearing in the inkstone, which can be called miraculous.

Since Zhang Fei got it, it's a treasure and has always been regarded as his favorite.

I really don't know where Chen Yuan found out.

It's normal for Chen Yuan to know, since Chen Yuan is still in charge of the commander of Jinfengwei.

Chen Yuan spared no expense to build the current Golden Wind Guards, and the number of staff has expanded to several thousand, not only in Jingzhou, but also in the entire Han territory.

As for Xiangyang, it is like Jinfengwei's surveillance center.

It wasn't that Chen Yuan couldn't take it easy to monitor the ministers under Liu Bei's command. If Chen Yuan did that, he would really be courting death.

Jin Yiwei is a lesson from the past.

When Jin Fengwei was monitoring a businessman, he inadvertently saw that this person gave Zhang Fei a great gift, among which was this Longwei Bingtai Inkstone.

Zhang Fei did not accept the gift from the businessman, but he kept the Dragon Tail Ice Inkstone.

The problem is not very big, but Chen Yuan doesn't want Zhang Fei to keep such a tail, it is always a hidden danger.

Chen Yuan also eliminated this hidden danger for Zhang Fei.

Liu Bei must have known about this matter.

Although Jinfengwei's immediate boss is Chen Yuan, but Chen Yuan does not monopolize the power, and all kinds of news will be sent to Liu Bei regularly.

Chen Yuan didn't hide anything.

Sitting in this position, no matter who you are, you should be careful.

He couldn't bear the consumption of emotion.

Seeing that Zhang Fei didn't understand what he meant, Chen Yuan pulled Zhang Fei aside: "Third Brother, are you reluctant to part with this Dragon Tail Ice Inkstone?"

Zhang Fei's eyes widened: "Of course, how could the third brother be willing to give up such a good thing?"

Chen Yuan shook his head: "Third brother, you are confused, how can you take this thing?"

Zhang Fei was taken aback: "What do you mean?"

Chen Yuan said to Zhang Fei: "Third brother, you also know that our Jingzhou has never allowed officials to accept bribes from businessmen. Although you only accepted a piece of inkstone, it is of no importance. Everyone will not care about you for the sake of elder brother."

"But, have you ever thought about it? If everyone is like you, who else will abide by the laws of our Jingzhou? How can we take the lead in violating the rules set by the elder brother? Isn't this embarrassing for the elder brother?"

When Zhang Fei heard this, his voice suddenly became quieter: "It's just an inkstone. Is it as serious as you said? What's more, that person is a fellow from Zhuo County, Youzhou, so please help if you can."

Chen Yuan sighed: "Third brother, do you know the background of that person?"

Zhang Fei was stunned.

"What's the foundation? Isn't it our fellow villagers in Zhuo County, similar to Su Shuang and Zhang Shiping before, they are all businessmen."

Because of Chen Yuan, Su Shuang and Zhang Shiping no longer made a huge investment like in the original history, but in the end they didn't share the fruits of victory and disappeared without a trace.

Now both Su Shuang and Zhang Shiping have been awarded official positions by Liu Bei.

Under Chen Yuan's suggestion, Jingzhou's Commercial Department was established. The two served as the director and deputy director respectively, and they worked very hard.

Jingzhou's business is completely managed and operated by two people, which makes Jingzhou's business tax rise steadily.

Just kidding, the two of them are big businessmen in the first place, so they are naturally clear about the way of doing this.

What's more, there is also Chen Yuan's advice.

Now Jingzhou's business tax has become an extremely important income for the prefectural pastoral government.

Especially after killing the Cai family and bringing the Dajiang waterway under the jurisdiction of Jingzhou, the tax revenue increased even more.

The Jingzhou Dajiang Inspection Department handles as many as several hundred guan in taxes every day.

It is conceivable that the prosperity of commerce on the river today is of course all related to Jingzhou's continuous suppression of water bandits and dredging of waterways.

Chen Yuan nodded: "This businessman is indeed from Zhuo County and our hometown, but third brother, do you know who the person behind this person is, and why did he give you a gift? What is his purpose?"

Zhang Fei was not a fool, so he immediately understood.

His eyes widened angrily: "Fourth brother, are you saying that someone wants to harm my old Zhang?"

Chen Yuan shook his head: "Third Brother, don't worry, it may not be to harm you, but there is absolutely no kindness in it. The person behind this person is the Lu family in Zhuo County."

"The Lu family? The Lu family, the elder brother, the teacher, the son-in-law?"

"Exactly!"

To be honest, this was also a headache for Chen Yuan.

It was really interesting for Lu Zhi to tell the truth to Liu Bei and Chen Yuan, especially when Liu Bei was granted the title of Jingzhou Mu, Lu Zhi spoke in the court and fought with those opponents.

Not to mention the matter of keeping Liu Bei under his command and sweeping up the Yellow Turbans in Jizhou.

This is also one of Liu Bei's credits. Without Lu Zhi, where would Liu Bei's credits be.

What's more, now that Liu Bei still wants to marry Lu Zhi's daughter, it's really not inappropriate to have a bad relationship with the Lu family.

It's just that Lu Zhi is good, but that Lu Fang of the Lu family is a nonsense guy.

After Jin Fengwei's inquiring, the businessman came to Jingzhou under the instigation of Lu Fang.

Lu Fang was Liu Bei's cousin who wanted to marry Lu Zhi's daughter Lu Xiu.

Lu Fang sent this person here without any good intentions, and the idea was to ruin this marriage.

Lu Fang didn't want Lu Xiu to marry Liu Bei at all.

It's not that Liu Bei is not good enough for Lu Xiu, the main reason is that Lu Fang has had a bad relationship with Liu Bei before.

If Liu Bei is allowed to go to Lu Xiu, then there will be no good fruit for Lu Fang to eat.

Now Lu Zhi's branch is in charge of the Lu family. At that time, Lu Xiu only needs to reveal some dissatisfaction with Lu Fang, and Lu Fang can't bear it and walk away.

Moreover, Lu Fang had already made up his mind to marry Lu Xiu to Hua Xin from Pingyuan Huashi.

Hua Xin had a great reputation. In his early years, he worshiped Taiwei Chen Qiu as his teacher, and he was in the same school as Lu Zhi, Zheng Xuan, Guan Ning, etc. He was also known as a dragon with Guan Ning and Bing Yuan, and Hua Xin was the leader.

Logically speaking, he should be of the same generation as Lu Zhi.

But Chen Qiu has many disciples, and many of them have a large age gap, so they cannot be generalized.

It's not impossible for Lu Xiu to marry Hua Xin.

But if he wanted to ruin Liu Bei and Lu Xiu's marriage, he had to find a good excuse.

But now that Liu Bei is the shepherd of Jingzhou and Lu Zhi's disciple, he is very suitable in terms of status and status.

After much deliberation, Lu Fang came up with a method. What Lu Zhi hated most in his life was accepting bribes.

If someone under Liu Bei's subordinates, or his closest brother, accepts bribes, it will definitely affect Liu Bei's image in Lu Zhi's place, and maybe the marriage will be ruined.

Therefore, Lu Fang specially sent people to Jingzhou to bribe Liu Bei's three brothers.

However, after this person came to Jingzhou, he found that things were a bit difficult.

Because Guan Yu usually doesn't see anyone, and most of the time he lives in the military camp, it is difficult to find him in a hurry.

As for Chen Yuan, he lived in the academy most of the time, teaching those students, and Cai Wenji also lived in the academy for some unknown reason.

Now it's all right, with Cai Wenji by his side, Chen Yuan doesn't go back home very much.

Therefore, this person can only aim at Zhang Fei.

After several inquiries, he got a piece of news.

Zhang Fei likes calligraphy and calligraphy and painting, so this person gave Zhang Fei the Dragon Tail Ice Inkstone.

When Chen Yuan told Zhang Fei about these things, Zhang Fei was furious and wanted to take the businessman and beat him to death immediately.

It's okay to hurt Lao Zhang, but it's absolutely impossible to ruin Liu Bei's marriage.

Chen Yuan grabbed Zhang Fei and said, "Third Brother, be safe and don't be impatient."

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